The invention produces stable standard gas compositions having improved shelf-life.
本发明生成具有改善存放期的稳定的标准气体组合物。
It also began a programme of encouraging the upgrading of sub-standard gas water-heaters.
同时，又推行一项计划，劝谕使用不符合标准气体热水炉的用户改善热水炉装置。
It also began a programme of encouraging the upgrading of sub-standard gas water - heaters.
同时，又推行一项计划，劝谕使用不符合标准气体热水炉的用户改善热水炉装置。
This paper describes the performance of standard gas of Methane in Air for greenhouse measurement.
本文介绍了温室监测用空气中甲烷标准气体的性能。
Then-hexane internal standard method or the standard gas external standard method is used for detection.
用 正己烷内标法或标准气体外标法进行检测。
The accuracy of hydrogen isotope analysis results needs a kind of working standard gas as a prerequisite.
钢瓶氢气可作为氢同位素实验分析的工作标准气来衡量仪器的误差及稳定性。
The combined test and optimization and linearity degree measurement with mixed standard gas and PID instrument were carried out.
利用配制的标准气体和PID检测仪进行联测优化和线性度测量，并给出了仪器实验性能的实例。
It is mainly used in industry, medical care and rescue, diving, fire extinction, beverage dispensing and storage of high purity standard gas.
铝合金无缝气瓶主要应用于工业、医疗和救生、潜水、灭火、饮料配置以及高纯标准气体的贮存等。
Sound speed nozzles have the advantages of high-accuracy, stable-performance and convenient to operate. It is an ideal standard gas flow rate facility.
音速喷嘴具有精度高、性能稳定，操作方便等优点，是理想的气体流量标准设备。
Standard gas spring constant between X between 1.2 and 1.4, other parameters can be flexible according to the definition of requirements and conditions.
标准气弹簧的弹性系数X介于1.2和1.4之间，其他参数可根据要求及工况灵活定义。
For the preparation and applications of low concentration standard gas , the inside surface of CL2X gas vessel and its piece with coatings were studied.
本研究采用特殊的化学处理方法，研制了新型低浓度标准气体包装容器。
The impurities are qualitatively determined by contrasting with standard sample (standard gas), and quantitatively determined by calculating the peak areas.
采用与标准样品对照法进行定性；用峰面积外标法进行定量。
With the nonlinear least squares fit between measured spectra and calibration spectra, standard gas concentrations of co at different temperatures are obtained.
将合成校准光谱和实验测得的光谱进行非线性最小二乘拟合，得到了不同温度下标准气体CO浓度。
In calibrating the leak, the pressure in the ballast chamber can be precisely controlled in such a way that the standard gas flow through the orifice is close or equal to the leak rate.
在漏孔校准过程中，通过调节稳压室中的压力，很容易使标准气体流量与漏孔漏率非常接近或相等，从而避免四极质谱计的非线性影响。
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。
Serials of standard gas experiment show that the measurement system can fulfill the requirements of the on-line measuring for vehicle exhaust with a proper measurement accuracy and stability.
通过标准气体实验证明了该系统对气体浓度测量的准确性和稳定性，具备实际应用能力。
Using microwave-heated ceramic chips instead of standard gas flame or electric coil, the system heats pans with near-perfect balance and lets you control the heat level with incredible precision.
取代通常用的天然气火苗或者电炉丝而用微波来加热陶瓷片，这个系统近乎完美地均衡加热平底锅并且使我们能以难以置信的精确度来控制加热水平。
The linear relationship between the gas phase standard enthalpies of formation and the substituent constants is discussed.
讨论了气态摩尔标准生成焓与取代基常数间的线性关系。
He used only 39% of the gasoline he would have used in a standard Prius, and reduced greenhouse gas emissions by nearly two-thirds.
他仅使用了标准普锐斯需使用的汽油量的39%，而且将少了将近三分之二的温室气体排放量。
Article 20 the quality of electrical products and gas utensils must conform to the state standards or industrial standard.
第二十条电器产品、燃气用具的质量必须符合国家标准或者行业标准。
And so the way that, the standard way of setting up the problem is to write the equilibrium, 2 NO2 gas.
标准的解题方法是，写出平衡式，2no2气体。
Makers of products "from garments to gas cylinders" have started using the renminbi, says Neil Daswani, head of transaction banking for North Asia at Standard Chartered.
渣打交易银行部门北亚区主管尼尔·达斯·瓦尼(NeilDaswani)称，“从服装到气瓶”，各类产品的制造商都开始使用人民币。
Proponents of the Renewable Electricity Standard (RES) say it will help to reduce both America's dependence on imported fuel and its greenhouse-gas emissions without raising power prices.
可再生能源标准(RES)的支持者说，减少美国对进口石油的依赖、降低温室气体排放量而不提高电力价格，这一举措会有所帮助。
Cylinders can be supplied with standard valves for gas withdrawal or with siphon tubes connected internally to the valves for liquid withdrawal.
钢瓶可以配有用于气体提取的标准阀门或在内部连接到阀门的用于液体提取的虹吸管。
Gravity ball check may be converted for air or gas venting by replacement of standard ball with floater PP ball.
通过用漂浮的PP球更换标准球，重力球形止回阀可以改造为适用于空气或气体排气口。
The principle, structure, measurement limit and analyze of uncertainty of the constant pressure gas flowmeter, which was the key component of gas flow standard apparatus, were considered emphatically.
着重考虑了作为气体微流量标准装置核心的恒压式气体微流量计的原理、结构、下限因素和不确定度等基本问题。
Adopting the method stipulated by GB18098-2000 Standard, the content of poisonous gas had been determined after single compound was detonated which was bottled with glass tube.
用GB18098-2000标准规定的方法，采用玻璃管装药，测定了单质炸药梯恩梯爆炸后有毒气体的含量。
The medium is gas, liquid gas or liquid which maximum operation temperature is more than or equal to standard boiling point.
介质为燃气、液态燃气或液体，最高工作压力大于或等于介质的标准沸点。
Standard switch entirely suitable for millivolt service on self-energized control circuits of gas fired heating installations.
在燃气加热安装系统的自激控制电路中，整个标准开关适用于毫伏电压。
Standard switch entirely suitable for millivolt service on self-energized control circuits of gas fired heating installations.
在燃气加热安装系统的自激控制电路中，整个标准开关适用于毫伏电压。
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