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- Check oxygen concentration by a refractometer. 用折射仪测量一下氧气的浓度。
- State leaders Spoke highly of Weierkang Oxygen Concentrator at the Commercial Fair. 高交会上国家领导人对维尔康制氧机给予高度评价。
- All PZC units come with an onboard Oxygen Concentrator feature and most offer an onboard Air Compressor System. 所有的PZC系列单元系统附配制氧机，并且大多数情况下配空压机系统。
- Dear Sir/Madam, We are Chinese Producer of Oxygen Bar, Oxygen concentrator, Cosmetic apparatus, Medical sterilizer and additional items. 我们是中国人制作的氧吧，氧气浓缩机，美容仪器，医用灭菌器，并新增加的项目。
- IPL hair removal (Beauty device), E-light series, RF skin rejuvenation device, laser tattoo removal system, oxygen concentrator, laser Er etc. 您好，我是生产和出口美容仪器的厂家，有相关买家吗？多谢！！！
- In this paper,the risk analysis of PSA miniature oxygen concentrator is carried out by means of fault tree analysis(FTA) and failure modes and effects analysis(FMEA). 介绍了FTA和FMEA分析方法,并对微型变压吸附制氧机进行了风险分析。
- At low oxygen concentrations, unconsciousness and death may occur in seconds and without warning. 在低氧浓度情况下，意识不清和死亡会在几秒钟内发生，而且没有警告。
- molecular sieve oxygen concentrator 分子筛氧浓缩器
- Aerotaxis (aerotactic movement) A TAXIS in response to an oxygen concentration gradient. 趋氧性:一种对氧浓度梯度产生回应的排序。
- Oxygen concentrations in excess of 23% increase the hazard exposure to personnel and material. 氧浓度超过23%25增加了暴露于其中的人员和材料的危险。
- The sensitivity characteristics are influenced by the variation in oxygen concentration. 氧气浓度的变化对传感器输出有较大影响。
- The model 625 analyser is designed to monitor the dissolved oxygen concentration in boiler feed-water and other aqueous solution. 625型分析仪用来监视锅炉进水和其它水溶液中溶解氧的浓度。
- An apparatus for maintaining an infant, especially a premature infant, in an environment of controlled temperature, humidity, and oxygen concentration. 早产婴儿保育箱一种保育婴儿的器具，尤指对早产婴儿，其温度、湿度与集中供氧都得到控制
- For the ambient oxygen concentration greater than 17 % the ignition and transition to flame spread all are achievable. 外界合氧浓度人于17%25燃料皆可引燃及过渡至火焰传播。
- The effects of dose,acceleratory voltage and oxygen concentration on coatings curing process were studied. 以低能电子束处理多种配方的涂料,研究了辐射剂量、加速电压和氧气浓度对涂料固化性能的影响。
- The minimum permissible oxygen concentration for unprotected personnel is 19.5%, while the maximum is23.5%. 对于没有受到保护的人来说，允许的最小氧浓度是19.;5%25;最大是23
- OSHA has established 19.5% oxygen concentration as the minimum for working without supplied air. OSHA确定19.;5%25作为没有补充空气情况下工作时氧的最小浓度。
- Species found in the profundal zone are adapted to withstand low oxygen concentration, low temperatures, and low pH. 在深水层发现的种类，能够适应海底低氧、低温及低pH环境。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- Effects of Temperature and Dissolved Oxygen Concentration of Nutrient Solution on the Nitrogenous Compound Content in Plants of Cucumis sativus L. 营养液温度和溶解氧浓度对黄瓜植株氮化合物含量的影响。
