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- The principle, equipment, processing of preparing the multi-component standard gas by gravimetric method andthe analyzing method for gas purity were introduced. 介绍重量法制备标准混合气体的原理、装置、制备过程,以及标准混合气体组分纯度的分析方法。
- A standard curve is done by deterring a standard gas of benzene homologues,which can produce an auto database for quantifying the content of trial materials. 采用不同浓度的苯系物标气做一条标准曲线,可编辑出一个自动鉴别和定量所选化合物库文件,进行准确的定量分析。
- Using the standard gas confected by National Standard Research Center for CRM,the system can detect the concentration of volatile organic compounds and the ultra-low detection limit reaches 1 ppb. 利用国家标准物质中心配制的标气,系统可以有效检测挥发性有机化合物浓度,检测极低限达到了1 ppb。
- P33-NG3 North American standard gas furnace; combustor ;SIT Valve chamber; electric pressure ignition; Ceramic simulation wood; Simulation ceramics ashes, safety mini crystal ceramics glass; Flame regulator. NG3北美制式天然气炉体；燃烧室；SIT阀体；压电点火器；陶瓷仿真木材；陶瓷仿真灰烬,微晶陶瓷安全玻璃；火焰调节器。
- The portable humidity generator had the function of automatic generating standard gas of different flow and dewpoint by using the microprocessor and the technology of mass flow controlling. 该便携式湿度发生器利用分流法湿度发生原理,采用微控制器和质量流量控制技术实现了自动发生不同流量、不同露点气体的功能,可为露点测试仪检定和校准提供动态标准湿度气体。
- Several problems existed in the preparation of standard gases are introduced detailed,and concrete projects to solve these problems are put forward. 详细介绍了我国标准气体制备过程中存在的诸多问题,对如何解决这些问题提出了具体方案。
- THE INLET SYSTEM OF STANDARD GAS 标样气体进样系统
- The technology of make up standard gas 标准气体的配制技术
- standard gas of ethylene in nitrogen 氮气中乙烯标准气体
- standard gas of oxygen in nitrogen 氮气中氧标准气体
- There is a standard form of oath used in lawcourts. 法庭中使用的誓词有固定的格式。
- This is one of the standard books on the subject. 这是有关这个问题的权威著作之一。
- It will send you standard form for you to fill out. 它(商标局)会寄给你标准表格要你填写。
- That country came off the gold standard long ago. 那个国家好久之前就放弃金本位制了。
- Such prices hit off with the standard of our life. 这样的物价与我们的生活水准相符。
- A can like this is considered below standard. 这样的罐头认为是不合格的。
- Their work is not up to standard. 他们的工作成绩不够标准。
- This is the standard textbook on the subject. 这是这一科的权威性课本。
- Goods are packed in standard export packing. 货物按标准出口方式包装。
- Cargo survey and find below standard filing claim. 货品检验后发现不合标准，故请求索赔。
以上内容独家创作，受著作权保护，侵权必究
海词词典，十七年品牌
