Core Viewpoint - The article emphasizes the importance of high-quality after-sales service in the scientific instrument industry, highlighting a collaborative initiative called "Customer Care Season" aimed at enhancing user experience and addressing equipment operation challenges through proactive service [2]. Group 1: Customer Care Initiative - The "Customer Care Season" is a large-scale public after-sales service event organized by the Instrument Information Network in collaboration with multiple brand partners, now in its fifth edition [2]. - The initiative includes free on-site inspections, remote guidance, and after-sales live broadcasts to provide in-depth services to users in the scientific and industrial sectors across the country [2]. - The event showcases strong industry influence, with participation from renowned brands such as Thermo Fisher, Shimadzu, Danaher Group, Jena, and HORIBA, covering a wide service network that reaches universities, research institutes, and enterprises [2]. Group 2: Industry Impact - The initiative reflects the industry's high regard for customer value and the ongoing pursuit of service quality, demonstrating a commitment to "proactive after-sales and meticulous service" [2].

Core Viewpoint - The article highlights high-paying pre-sales positions in the instrumentation sector, providing job opportunities and requirements for various roles in different companies [2][3][4][6][10]. Group 1: Job Opportunities - Tianmei is hiring a Spectroscopy Product Application Engineer in Shanghai with a salary range of 8k-15k and requires a master's degree in a related field and experience in Raman spectroscopy [2]. - Zhizhu is looking for a Pre-sales Engineer (Technical Sales) in Beijing offering a salary of 15k-25k, requiring a bachelor's degree in relevant fields and familiarity with the core business processes of target customers [3]. - Baocheng Bio is seeking a Mass Spectrometer Product Manager in Hangzhou with a salary range of 13k-17k, requiring a master's degree and over five years of lab experience [4][5]. - Peian is hiring a Pre-sales Project Manager (Peptide Synthesis) in Shanghai with a salary of 10k-15k, requiring practical experience in peptide synthesis and a bachelor's degree [6]. - Boshi Lang is looking for technical support for Agilent product lines in Lanzhou, offering a salary of 6k-8k, requiring at least three years of experience in chemical analysis instruments [7]. Group 2: Job Requirements - The positions require various educational backgrounds, primarily in chemistry, biochemistry, and related fields, with many roles demanding a master's degree or higher [4][5][6][10]. - Experience in specific technologies, such as MALDI-TOF mass spectrometry and chromatography, is often required, along with strong communication and market insight skills [5][10]. - Many roles emphasize the need for adaptability, willingness to travel, and the ability to work in a team environment [6][10].

Core Viewpoint - The article emphasizes the importance of recognizing and promoting high-quality domestic instruments in China, highlighting the "国产好仪器" initiative which aims to showcase superior products in the industry [2][4]. Group 1: Initiative Overview - The "国产好仪器" initiative is focused on identifying and endorsing high-quality, stable-performing domestic instruments, collaborating with company leaders to promote their products [2]. - The initiative has begun to announce selected products for the year, indicating ongoing efforts to enhance visibility and recognition of domestic instruments [2]. Group 2: User Feedback - The article mentions that user satisfaction is a key indicator of product quality, exemplified by the fire-type atomic absorption spectrophotometer RG-3608AA, which has received positive feedback from users [5]. Group 3: Engagement and Interaction - Readers are encouraged to engage with the content by joining industry discussion groups and following the "国产好仪器" column for more details [7].

Core Viewpoint - The article emphasizes the importance of adjusting to the new WeChat mechanism for better access to content and updates from the platform [1]. Group 1 - The course offered is a premium product with no exams or certificates, and a training certificate can be applied for after completing the course within the validity period [5]. - The course is a virtual product and is non-refundable after purchase, with the option to apply for a VAT electronic invoice during the purchase [6]. - The validity period of the course is 360 days from the date of purchase, allowing unlimited access to learning materials during this time [6].

Core Insights - The article highlights various job opportunities in the instrumentation and laboratory equipment sector during the National Day holiday, encouraging job seekers to update their resumes and explore new positions [2]. Job Opportunities - **Agilent**: Looking for an Instrument Sales position in Hangzhou, requiring a bachelor's degree in relevant fields and over three years of sales experience in laboratory products [2]. - **Tianmei**: Hiring a Firmware Engineer in Shanghai with a salary range of 12k-15k, requiring a bachelor's degree and three years of relevant experience in electronic or automation fields [3]. - **Anton Paar**: Seeking an After-Sales Engineer in Beijing, with a focus on candidates with a background in food, materials, or chemistry [4]. - **Labtech**: Looking for an Industry Sales Manager in Beijing, offering a salary of 9k-15k, requiring experience in nuclear industry sales [6]. - **Hitachi**: Hiring an Electron Microscope Market Engineer in Guangzhou, with a salary range of 10k-30k, requiring a master's or doctoral degree and two years of relevant experience [9]. - **Yena**: Seeking a Sales Engineer in Shenzhen, requiring over three years of experience in chemical analysis instruments and proficiency in B2B sales processes [11]. - **Meipuda**: Hiring an After-Sales Engineer in Shanghai, requiring a degree in physics or chemistry and at least one year of relevant experience [12]. - **Pano**: Looking for a Sales Engineer in Guangzhou, offering a salary of 10k-15k, requiring a background in analytical chemistry or related fields [13]. - **Dachang Huajia**: Seeking a Regional Sales Manager in Beijing, requiring over three years of sales experience in materials science or chemical analysis [17].

Core Insights - The article emphasizes the importance of gas chromatography in the oil refining and petrochemical industry, highlighting its role in product quality control and process optimization [1][2] - A comprehensive course on gas chromatography applications in oil refining is introduced, aimed at addressing analysis challenges and enhancing operational efficiency [1][7] Group 1: Course Overview - The course covers the entire analysis process in oil refining, starting from basic knowledge of refining products to advanced gas chromatography techniques [1][2] - It includes foundational training on gas chromatography principles and instrument structure, making it suitable for newcomers in the petrochemical analysis field [1][2] - The course focuses on practical applications, including analysis methods for gaseous products, distillate oils, and chemical intermediates [2] Group 2: Instructor Credentials - The course is taught by Dr. Xue Huifeng, a recognized expert in petrochemical analysis methods and standardization, currently serving as the Deputy Director of the Analysis and Detection Research Office at the China Petroleum and Chemical Research Institute [3] Group 3: Target Audience - The course is designed for personnel involved in analysis and detection within oil refining companies, as well as technical R&D and production management staff in the petrochemical sector [8] - It also targets students and faculty in petroleum and chemical engineering disciplines who wish to learn about cutting-edge analytical techniques and their practical applications [8] Group 4: Learning Outcomes - Participants will gain a comprehensive understanding of gas chromatography methods throughout the oil refining process, from sample detection to instrument management [8] - The course aims to enhance the professional competitiveness of individuals in the field of petrochemical analysis by leveraging expert insights and standardized practices [8]

Core Viewpoint - The article discusses the importance of customer care in the scientific instrument industry, highlighting a large-scale public service activity called "Customer Care Season" aimed at enhancing user experience and addressing equipment operation challenges through proactive service initiatives [2]. Group 1: Customer Care Initiatives - The "Customer Care Season" is a collaborative initiative by Instrument Information Network and several brand partners, now in its fifth edition, providing free on-site inspections, remote guidance, and live after-sales support [2]. - The initiative aims to improve user experience and resolve operational difficulties in scientific and industrial equipment, reflecting the industry's commitment to customer value and service quality [2]. Group 2: Industry Participation - The event has garnered participation from well-known brands such as Thermo Fisher, Shimadzu, Danaher Group, Jena, and HORIBA, showcasing its strong industry influence [2]. - The service network covers multiple regions across the country, reaching universities, research institutes, and enterprises, emphasizing the importance of "proactive after-sales and dedicated service" [2].

Core Viewpoint - The article establishes an analytical method using high-performance liquid chromatography (HPLC) to determine six phenolic substances in Conghua olives, optimizing various conditions for effective separation and detection [2][4][40]. Methodology - The method involves weighing 0.5g of dried Conghua olive powder, dissolving it in isopropyl alcohol, and subjecting it to ultrasonic extraction for 30 minutes, followed by solid-phase extraction and filtration before HPLC analysis [4][6]. - The Eclipse XDB-C18 chromatographic column was selected for separation, and a diode array detector was used to optimize the testing conditions [4][12]. Results - The study found that the peak areas of gallic acid, hydroxytyrosol, oleuropein, and elenolic acid showed good linear relationships within specified concentration ranges, with R² values greater than 0.995 [4][5]. - Detection limits for the six substances were established, with gallic acid at 2.09 mg/kg and hydroxytyrosol at 2.20 mg/kg, among others [5][33]. Recovery and Precision - The recovery rates for the substances ranged from 84% to 116%, with relative standard deviations between 0.014% and 0.15%, indicating the method's reliability [5][34]. Conclusion - The optimized method provides a reliable approach for determining the content of six phenolic substances in Conghua olives, contributing valuable insights for researchers in the field [40].

Group 1 - The article highlights the initiative of "国产好仪器" which focuses on selecting high-quality and stable performance domestic instruments, collaborating with company leaders to endorse their products [2][5] - A promotional event is mentioned where a book titled "近红外光谱实战宝典" is being given away for free as part of a National Day celebration [3] - The article encourages readers to follow the "国产好仪器" section on the Instrument Information Network for more details and participation [5][8]

Core Viewpoint - The article presents a novel method for detecting ethephon residues in compound fertilizers using Ultra-High-Performance Liquid Chromatography-Tandem Mass Spectrometry (UHPLC-MS/MS), addressing the lack of standardized methods for fertilizer matrices and providing a reliable technical foundation for regulatory monitoring and quality control [2][4][42]. Group 1: Method Development - A new UHPLC-MS/MS method was established to detect ethephon residues in compound fertilizers, optimizing key parameters based on SN/T 4522-2016 [4][7]. - The method replaced alkaline elution with an acidified extraction system (acetonitrile-0.1% formic acid), improving recovery rates from undetectable levels to 93.8%-104.5% [4][6]. - The method demonstrated excellent linearity (r=0.9993) within a range of 2-200 μg/L, with a quantitation limit of 0.005 mg/kg and relative standard deviation (RSD) of 1.3%-3.9% [4][29]. Group 2: Importance of Ethephon in Fertilizers - Ethephon is often added to fertilizers to enhance crop growth and development, but its presence raises concerns regarding potential residues in agricultural products [5][6]. - The complexity of compound fertilizers, which contain multiple nutrients and additives, necessitates effective monitoring of ethephon to ensure safety and compliance [5][7]. Group 3: Practical Application and Results - Actual sample testing revealed ethephon residues in commercial compound fertilizers, with detected levels of 0.008 mg/kg and 0.015 mg/kg in two batches [39][41]. - The study emphasizes the need for regulatory frameworks to monitor ethephon residues in fertilizers, highlighting the method's practical applicability for ensuring agricultural safety [42].