Monthly Archives: February 2025

　　At Shenzhen Jingsuguang Technology Co., Ltd., we specialize in advanced pump technologies, and micro vacuum pumps are at the core of many innovations in environmental monitoring, particularly in VOC (Volatile Organic Compounds) Online Analyzers. These compact yet powerful pumps have revolutionized how VOCs are sampled and analyzed, contributing to more accurate air quality assessments.In the eyes of peers, suction pump It has good qualities that people covet, and it also has many loyal fans that people envy. https://www.dc-pump.com/

　　Micro vacuum pumps are vital to VOC analyzers, providing the consistent vacuum pressure needed to ensure reliable and continuous air sampling. This article will explore how these pumps work, their significance in VOC analyzers, and what factors to consider when selecting the right one for your application.

　　How Do Micro Vacuum Pumps Work in Portable VOC Analyzers?

　　In small, portable VOC analyzers, the micro vacuum pump plays a multifaceted role, enhancing the device¨s performance in the following ways:

　　Air Sampling Precision: The micro vacuum pump creates a controlled vacuum that draws air samples into the analyzer. This consistent airflow is critical for the accurate detection and measurement of VOCs.

　　Maintaining Vacuum Stability: Steady vacuum levels are crucial for effective VOC analysis. The micro vacuum pump adjusts its operation to maintain these levels, even in fluctuating environmental conditions.

　　Energy Efficiency: Designed to minimize power consumption, these pumps help extend the battery life of portable VOC analyzers, ensuring longer operation in the field.

　　Integration with Control Systems: Advanced portable analyzers often feature digital control systems, enabling precise management of the pump¨s operation, including flow rate adjustments and on-off cycles.

　　Compact and Quiet Operation: With space at a premium in portable devices, micro vacuum pumps offer a small footprint while operating quietly！ideal for indoor and sensitive applications.

　　Reliability Across Environments: Whether used in industrial settings or urban environments, these pumps are designed to perform reliably under varying conditions, ensuring consistent functionality regardless of temperature or air pressure changes.

　　In essence, micro vacuum pumps are indispensable to the efficiency, accuracy, and versatility of portable VOC analyzers.

　　Choosing the Right Micro Vacuum Pump for VOCs Analyzers

　　Selecting the right pump for a VOC analyzer requires a deep understanding of the device¨s operational needs. Factors such as the type of VOCs, sensitivity levels, and environmental conditions play a crucial role in this decision.

　　Diaphragm Micro Pumps: Ideal for applications requiring low-to-medium flow rates, these pumps operate oil-free, ensuring that air samples are not contaminated, which is essential for accurate VOC analysis.

　　Rotary Vane Micro Pumps: Best suited for applications needing higher vacuum levels, these pumps are more powerful but may produce more noise and occupy more space than diaphragm pumps.

　　Piezoelectric Micro Pumps: If your analyzer requires very low flow rates or is ultra-compact, piezoelectric pumps offer superior precision, making them ideal for detecting trace VOC levels.

　　Careful consideration of these factors ensures that the selected pump meets the specific demands of your VOC monitoring system.

　　The Operating Principles of Micro Diaphragm Vacuum Pumps

　　The structure and operating mechanism of micro diaphragm vacuum pumps make them particularly suitable for VOC analyzers:

　　Flexible Diaphragm: Typically made from durable, chemical-resistant materials like PTFE or EPDM, the diaphragm moves to create the necessary vacuum for air sampling.

　　Chamber and Valves: The pump¨s chamber is divided by the diaphragm, creating a vacuum when it moves upward and pushing air out through the outlet valve on the downward stroke.

　　Motor Mechanism: The diaphragm is driven by an electric motor that converts rotary motion into the up-and-down movement of the diaphragm.

　　Efficiency and Control: These pumps offer quiet, energy-efficient operation and can be finely controlled to deliver consistent airflow, essential for VOC analysis accuracy.

　　Micro diaphragm pumps are the perfect choice for portable analyzers due to their balance of size, reliability, and performance.

　　How to Select the Right Micro Vacuum Pump

　　When choosing a micro vacuum pump for VOC analyzers or similar devices, consider the following factors:

　　Flow Rate: Choose a pump with precise flow control for sensitive applications, such as laboratory or medical settings.

　　Vacuum Level: Ensure the pump can deliver the necessary vacuum strength, particularly for industrial applications.

　　Portability: For handheld or field equipment, prioritize compact, lightweight pumps like diaphragm or piezoelectric models.

　　Power Consumption: In battery-operated systems, opt for low-power pumps to prolong device operation.

　　Environmental Conditions: Select a pump that can withstand the operational stresses, such as exposure to chemicals or extreme temperatures.

　　Noise Levels: For applications where noise is a concern, such as indoor air monitoring, choose quieter pump options.

　　Material Compatibility: Ensure the pump¨s materials are compatible with the media being handled to avoid damage or contamination.

　　Maintenance and Durability: Opt for pumps designed for long life and ease of maintenance to minimize operational costs.

　　At Shenzhen Jingsuguang Technology Co., Ltd., we provide tailored advice to help you find the best micro vacuum pump for your VOC monitoring needs.

　　At present, the number of electric bicycles in China has reached 350 million, and electric bicycles have become an important means of transportation for people to travel short distances. However, the problems such as low industrial concentration, weak innovation and R&D ability of enterprises, insufficient quality assurance ability and frequent safety accidents have become increasingly prominent, and it is “urgent” to further improve the quality and level of development and accelerate the unification of standards.in fact cheap e-bike battery Our related products were once praised by users, which is the best self-affirmation of the products. https://www.chamrider-battery.com/

　　The electric vehicle industry has issued new regulations.

　　In view of the hidden dangers and chaos in the above industries, the government departments have taken measures. Recently, they not only issued the Regulations and Conditions for Electric Bicycle Industry, but also the Administrative Measures for Announcement of Electric Bicycle Industry Regulations, and also formulated mandatory national standards for lithium-ion batteries for electric bicycles.

　　Among them, the Regulations and Conditions for Electric Bicycle Industry and the Administrative Measures for Announcement of Electric Bicycle Industry focus on the management of electric bicycle industry, standardize the production and operation behavior of enterprises, and improve the safety level of all aspects of electric bicycle production, sales, use, charging and replacing, and scrapping and recycling. The Standard Conditions put forward requirements from seven aspects: enterprise layout, process equipment, product quality and management, and consumer rights protection.

　　On the lithium battery side for electric vehicles, the Specification and Conditions specify that enterprises should explain the use and recovery risks of lithium-ion batteries in a prominent position in the product manual of the whole vehicle, and enterprises should strengthen dealer management, urge dealers to resist illegal tampering such as increasing battery voltage capacity and lifting speed limit, provide consumers with standardized use and maintenance knowledge, and remind consumers to use lithium-ion batteries and other battery products safely. Helmets provided or given by enterprises with vehicles must meet the requirements of national mandatory standards.

　　The mandatory national standard of Safety Technical Specification for Lithium-ion Battery for Electric Bicycles has been issued by the General Administration of Market Supervision (National Standards Committee) (hereinafter referred to as the new national standard) and will be officially implemented on November 1, 2024.

　　The new national standard stipulates the safety requirements and test methods of lithium batteries for electric bicycles, which are applicable to the Technical Specification for Safety of Electric Bicycles. Among them, six safety requirements such as overcharge, overdischarge, external short circuit, thermal abuse, acupuncture and marking are mainly considered in the aspect of single battery; The battery pack mainly considers 22 safety requirements in seven aspects, including electrical safety, mechanical safety, environmental safety, heat diffusion, mutual recognition and collaborative charging, data collection and marking.

　　It should be reminded that the new national standard is only applicable to lithium-ion batteries for electric bicycles with the maximum output voltage not exceeding 60V as specified in GB 17761 “Technical Specification for Safety of Electric Bicycles”. It is not suitable for lithium-ion batteries used in electric scooters, balance cars, electric motorcycles, electric tricycles and other vehicles.

　　In addition, according to the regulations, after the implementation of the new national standard, lithium-ion batteries for electric bicycles sold in China must meet its requirements.

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According to a report by the Russian News Agency on March 20, the Polish Ministry of Defense released a message saying that the NATO Northeast Division, composed of multinational forces, practiced defensive operations during exercises held in imaginary areas near the Russian border.

Poland’s Ministry of Defense said: During the Loyalty Lecda 2024 exercise, soldiers of the multinational Northeast Division were given such a task to carry out defensive operations in an imaginary area similar to the situation in northeastern Poland.

Reported that the command department of NATO’s Northeast Division refused to disclose details of the exercise content.

According to reports, the NATO Northeast Division headquarters is located in Elblong, Poland, and its mission is to coordinate the actions of NATO troops deployed in Poland, Lithuania, Latvia and Estonia. (Compiled by Liu Yang)

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According to a report by Russian Satellite News Agency on March 19, Sergei Naryshkin, director of the Russian Foreign Intelligence Service, said that France is ready to send a task force to Ukraine. In the initial phase, the force will reach approximately 2000 military personnel.

Reported that the Foreign Intelligence Agency’s Information Office quoted Naryshkin as saying in a statement: The current French ruling team does not care about the lives and lives of ordinary French people, nor does it take the generals ‘concerns to heart. According to information obtained by the Russian Foreign Intelligence Service, a task force for deployment to Ukraine is being prepared. In the first stage, there were about 2000 people.

He stressed that French troops would be a priority target for Russian troops.

The news said: The French military is worried that it will not be possible to allow this heavy force to enter Ukraine without attracting attention. In this way, this force will become a priority legal target for Russian strikes.

Naryshkin said that the French army is very concerned about the increasing number of French people killed in Ukraine.

According to the report, according to the head of the Russian Foreign Intelligence Service, France admitted that it has not suffered such losses overseas since the Algeria War in the second half of the 20th century.

Sources pointed out that on January 17 alone, Russian armed forces destroyed a temporary deployment site for foreign militants near Kharkiv, killing dozens of French citizens. Since then, such strikes have become the norm in the conflict in Ukraine.

The report mentioned that because of this, the country’s military leadership is worried about dissatisfaction among current mid-level officers in the French army. However, the Elysee Palace said that the number of French killed in battle in Ukraine has exceeded a psychologically important threshold, and the release of these numbers may trigger civil protests.

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Local time 18, the Argentine central bank confirmed that the face value of 10,000 Argentine pesos and 20,000 Argentine pesos will be officially put into circulation in June this year.

In recent years, the face value of banknotes issued by Argentina has been increasing due to persistent high inflation and serious currency depreciation. In 2016 and 2017, Argentina issued banknotes with a face value of 500 pesos and 1000 pesos respectively. The 2000 peso note, which went into circulation in May last year, is currently the largest denomination note on the Argentine market.

Argentina’s monthly inflation rate reached 132% in February, with a cumulative inflation rate of 2762% in the past 12 months, according to data released by Argentina’s National Bureau of Statistics on the 12th. (gong Xiangcheng, a reporter from the front desk)

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Buenos Aires, March 19 / PRNewswire-FirstCall-Asianet /– what is the effect of the reform since Argentine President Mile took office 100 days ago?

Press gallery h Wang Zhongyi

Since taking office in December last year, Argentine President Mile has launched a series of shock therapy reform measures aimed at saving the economy, with a view to reducing the fiscal deficit and controlling inflation. Among them, the two major reform measures proposed by the Mile government are still pending due to parliamentary procedures.

At present, Argentina has achieved a fiscal surplus for two consecutive months, and the inflationary pressure has eased somewhat, but the difficulties such as the increase in unemployment, the decline in industrial production and rising prices still exist. Analysts believe that whether the reform can be supported by Congress, whether inflation can be controlled and whether public anxiety can be calmed down are still challenges facing the Mile government.

The prospect of reform is uncertain.

In his first month in office, Mile launched two major reform measures, namely, the necessary emergency decree on the basis of Argentina’s economic reconstruction and the comprehensive bill called the foundation and starting point of Argentine freedom, covering the amendment or repeal of hundreds of laws and regulations, respectively, aimed at relaxing government and legal controls on economic names, reducing the fiscal deficit and facilitating import and export trade. In addition, Mile also devalued the Argentine peso significantly.

On March 14, the Argentine Senate voted down the necessary emergency decree signed by Mile, which will then be submitted to the Argentine House of Representatives for consideration and vote. According to Argentine law, even if the decree is rejected by the Senate, it can take effect as long as the House of Representatives votes to pass it; if the House of Representatives votes to reject it, the decree will be completely null and void. The comprehensive bill introduced by Mile has not been passed by Congress before, and is now planning to amend the provisions of the bill to be submitted to Congress for consideration.

Analysts believe that the resistance to Mile’s reform mainly comes from the left and trade unions. at present, as the ruling party and left-wing opposition parties do not have a majority in both houses, Mile still needs to win the support of centrist parties to promote the implementation of the reform.

Sun Hongbo, associate researcher at the Institute of Latin American Studies of the Chinese Academy of Social Sciences, believes that the Mile government intends to carry out a systematic and radical reform, but the relevant reform measures currently face various political checks and balances. Generally speaking, the Mile government is facing the constraints of many forces, such as the ruling coalition, left-wing political parties, local governments, trade unions and so on, and there is a lot of uncertainty about the prospect of its radical reform.

The plight of people’s livelihood needs to be alleviated.

Recently, a lot of news has been seen as positive by the Argentine government: Argentina’s central bank cut its benchmark interest rate to 80%, a fiscal surplus for two consecutive months, an easing of inflationary pressures, the International Monetary Fund approved a further $4.7 billion loan to Argentina, and Argentina completed a debt swap of more than $50 billion. Despite this, Argentine people are still plagued by rising unemployment, rising prices and other problems.

In March, Argentines ushered in the day to return to work and start school, but many people were laid off. Argentine media reported that companies said sales had fallen sharply and could not afford to hire so many employees. The dark clouds of unemployment, poverty and rising prices hang over the Argentine people.

Argentine sociologist Marcelo Rodriguez said the unemployment rate in Argentina is expected to rise in the future as more than 50, 000 jobs have been lost as a result of government cuts, layoffs and no longer injecting funds into public projects.

According to a recent report by Argentina’s Financial Circle, the latest report of the Argentine Federation of Industries showed that in January this year, Argentina’s industrial production index fell to 299%, the lowest level on record, and was in a contraction range of less than 50% for the seventh month in a row. The report said that the output of more than half of the small and medium-sized enterprises surveyed declined, and several sets of data showed that the plight of industrial production in Afghanistan intensified, with small and medium-sized enterprises bearing the brunt.

A staff member of the United Nations Children’s Fund (UNICEF) office in Argentina recently said that in the first quarter of 2024, the poverty rate of children and adolescents in Argentina will reach about 70%, and the rate of extreme poverty will reach 34%.

Since the beginning of this year, large-scale strikes and demonstrations have broken out in Argentina many times to oppose the reform measures of the Mile government. On March 18, a number of trade union organizations in Argentina launched a march in the capital Buenos Aires and other cities across the country. In January, a number of national trade unions and left-wing organizations in Argentina also held a national strike to protest against the Mile government’s reform measures ignoring the rights and interests of labor and social vulnerable groups, resulting in the suspension of services in banks, gas stations, airports, aviation, sanitation and other industries in many parts of Argentina.

The economy faces the challenge of stagflation

Argentine economist Gustavone believes that the Mile government has reversed the declining trend of Argentine dollar reserves after 100 days in power, but the country’s economy still faces the challenge of stagflation.

Inflation in Argentina was 132 per cent in February, down from 206 per cent in January and 255 per cent in December, according to the Argentine National Institute of Statistics and Census. The cumulative inflation rate in the past 12 months reached 2762 per cent. Rosendo Fraga, a researcher at Argentina’s National Institute of moral and political Sciences, believes that although the monthly inflation rate has decreased, inflation is still at a high level.

The International Monetary Fund (IMF) released a report on January 30 predicting that Argentina will face recession and rising inflation in the context of a sharp adjustment in economic policy. The report predicts that Argentina’s economy will contract by 28% in 2024.

Argentina’s TN news channel recently quoted Moody’s investor service, an international rating agency, as saying that the Argentine economy is expected to contract by 5% in 2024, far more than the 25% forecast in November 2023. In terms of inflation, Argentina’s inflation rate is expected to exceed 280% in 2024 and still exceed 220% in 2025. (source: Xinhua)

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According to a report by Yonhap News Agency on March 20, the South Korean government officially announced on the 20th the results of the allocation of 2000 places to expand the enrollment of 2000 students in the national medical school year. As a result, the medical school enrollment expansion plan has been settled in 27 years. In order to expand local medical infrastructure, the government will allocate 82% of the new places to non-capital area colleges and universities, and the remaining 18% will be allocated to Gyeonggi Province and Incheon areas. The number of schools in Seoul will remain unchanged.

Minister of Education Lee Zhouhao announced the results of the allocation of enrollment places for medical schools in the 2025 academic year, including the above contents, at the Central Government’s Seoul Office Building on the same day. The Ministry of Education received applications for medical school enrollment quotas from 40 universities across the country from February 22 to March 4. After that, it discussed with experts through the Expansion Allocation Committee and released the results.

The results show that the 27 university medical schools in non-capital areas will expand enrollment by 1639 students, accounting for 82% of the total enrollment expansion. At present, the number of students enrolled in non-capital medical schools is 2023, accounting for 662% of the national medical school enrollment scale (3058 students), and will increase to 3662 starting next year, accounting for 724% of the total enrollment scale.

In the Capital Region, the government has allocated 361 expanded enrollment places to five universities in Gyeonggi Province and Incheon City with enrollment sizes of less than 50 students, but the eight universities in Seoul have zero new places.

The Ministry of Education explained that the allocation of quotas is mainly considered to alleviate the imbalance between medical resources in the capital and non-capital areas, so that citizens can enjoy high-quality medical services in any region. The allocation committee comprehensively considered the materials submitted by each institution, educational conditions and future plans, and contribution to regions and essential medical care.

This is the government’s expansion of the enrollment scale of medical schools in 27 years. Analysts believe that although the medical profession still strongly resists the enrollment expansion policy through collective resignations, the government announced the allocation results on the same day, and the enrollment of medical students has been settled. The Ministry of Education plans to work with relevant departments to improve medical education conditions and provide support for institutions to hire professors and expand facilities.

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Geneva, July 16 (Reporter Chen Binjie) The World Trade Organization’s side event on China’s trade policy review was held in Geneva, Switzerland on the 16th. The theme of the event is to understand China’s economic and trade policies from the central and local government levels, and aims to help WTO members understand China’s economic and trade policies.

Experts and scholars from the China Academy of Macroeconomics, University of International Business and Economics, Wuhan University, Southwest University of Political Science and Law, and representatives of foreign-funded enterprises in China introduced the policies, measures and practical experiences adopted by China to achieve high-quality development and high-level opening up at the meeting, and interacted with more than 100 participants from the WTO Secretariat, WTO members, international organizations and news media.

In response to WTO members ‘concerns about China’s macroeconomic and domestic reform measures, experts attending the meeting objectively analyzed China’s macroeconomic performance and prospects, and elaborated in depth on China’s introduction in developing new productive forces, building a unified national market, and promoting the development and growth of the private economy. New measures. In order to introduce in depth China’s local practice of further expanding opening up, experts and business representatives attending the meeting introduced in detail the opening up measures adopted by the national comprehensive pilot demonstration of expanding opening up of the service industry based on specific cases and the achievements made in optimizing the business environment and facilitating foreign-funded enterprises to operate in China. Achievements. Officials of the WTO Secretariat and representatives of WTO members expressed great interest in the topics introduced at the meeting, and still had heated discussions with experts at the meeting site after the meeting.

This side event is the first time that China has held such an event on the eve of the trade policy review. Li Chenggang, China’s Permanent Representative to the WTO, said in his speech that China’s hosting of supporting side events on the eve of the review is a specific motion to implement the WTO reform on strengthening the trade policy review mechanism. Trade policy review is not only an important way for the WTO to supervise trade policies and enhance the transparency of member policies, but also an important platform for enhancing understanding and building trust, which is crucial to the effective operation of the WTO.

In his speech, Alexander Keck, Director of the Trade Policy Review Department of the WTO Secretariat, highly praised China’s positive and open attitude in the preparations for this trade policy review, fully affirmed that China’s hosting of side events will help WTO members gain a deeper understanding of China’s economic and trade policies, increase trust and dispel doubts. It praised China as the first WTO member to actively implement the results of the reform of the trade policy review mechanism. It has played an important role in promoting WTO members to participate in trade policy reviews and in-depth interactive exchanges.

Trade policy review is one of the three major functions of the WTO alongside rule negotiation and dispute resolution. Members raise questions and express concerns about trade policies to each other. It is an important transparency mechanism for members to understand each other’s direction of economic and trade policies and the implementation of commitments. According to the review rules, the top four members in the world in terms of trade volume are reviewed every two years.

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모모Crescent Oud Co., Ltd. will continue to expand the construction of its agarwood experience base. Customers can not only experience the elegant fragrance of agarwood in person, but also understand the planting, collection, and processing process of agarwood, and have a deep understanding of the cultural value and historical background of agarwood.

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모모몷Agarwood is not only a natural spice, but also a symbol of culture. We hope that through these agarwood cultural projects, global consumers will better understand the unique charm of agarwood.몸 The head of cultural promotion of Crescent Oud Co., Ltd. said.

모모August 7, 2023 C Crescent Oud Co., Ltd. announced that it will invest in a batch of advanced production equipment to improve the processing efficiency and quality control capabilities of agarwood products. The introduction of new equipment will effectively improve the extraction accuracy of agarwood, and further optimize the production process of agarwood essential oils and perfumes, ensuring that each product meets high standards of quality requirements.Only by working together can we turn agarwood supplier The value of the play out, the development of the supply market needs. https://www.crescentoud.com/

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모모몷With the continuous growth of market demand, we need to increase production capacity while ensuring the high quality of products.몸 The production director of Crescent Oud Co., Ltd. said, 몷The investment in new equipment will enable us to meet the needs of global customers more quickly and efficiently, and further improve the accuracy and stability of the production process.몸

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모모Crescent Oud Co., Ltd. has been committed to adopting the latest technology to promote innovation and development in the agarwood industry and enhance the market competitiveness of the brand.

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Athens, May 13 (Reporter Chen Gang) Greek Prime Minister Mitsotakis criticized on the 13th that the new President of North Macedonia Davkova’s use of Macedonia when mentioning the name of the country in his inaugural speech was inconsistent with the previous agreement reached between the two countries.

North Macedonia President-elect Davkova was sworn in on the 12th. In her inaugural speech, she used Macedonia when referring to her country’s name, causing Greek Foreign Minister Jera Petritis to leave the table on the spot.

Mizotakis said North Macedonia’s new president’s call of his name was unacceptable, violating the agreement between the two countries.

The Office of the President of North Macedonia later issued a statement saying that Davkova insisted that she had the right to use the name of Macedonia and believed that her practice was in line with European values and principles.

European Commission President Von der Leyen and European Council President Michel successively issued articles on social media pointing out Davkova’s actions were inappropriate. Von der Leyen said on social media: If North Macedonia wants to successfully join the EU, the most important thing is to continue on the path of reform and fully respect binding agreements.

Macedonia became independent from Yugoslavia in 1991 and established its constitutional name as the Republic of Macedonia. Greece believes that this name implies that it has territorial and cultural heritage requirements for the Greek province of Macedonia. Due to a name dispute, Greece, a member of the European Union and NATO, opposes the Republic of Macedonia’s accession to the European Union and NATO.

After years of mediation negotiations, the two countries reached an agreement in June 2018 to change Macedonia’s name to the Republic of North Macedonia as a condition for Greece to agree to its accession to the European Union and NATO. In January 2019, the two parliaments successively approved the agreement. In February 2019, Macedonia officially changed its name to the Republic of North Macedonia.