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- mass concentration of oxygen 氧的质量浓度
- Haze - A mass concentration of surface imperfections, often giving a hazy appearance to the wafer. 雾度-晶圆片表面大量的缺陷,常常表现为晶圆片表面呈雾状。
- TPD results show that the concentration of oxygen at the sueface is associated with catalytic activity. TPD测试表明催化剂的表面氧浓度对催剂的催化活性有一定的影响。
- Haze -A mass concentration of surface imperfections, often giving a hazy appearance to the wafer. 手工印记-为区分不同的晶圆片而手工在背面做出的标记。
- The actual flue gas volume and the concentration of oxygen is inversely proportional,and excess air coefficient is proportional. 而实际烟气量与氧浓度成反比,与过剩空气系数成正比。
- Stationary source emissions - Determination of low range mass concentration of dust - Part 1: manual gravimetric method. 固定源辐射。粉尘的小范围质量浓度的测定。第1部分:人工重量测定法。
- Hydrogen gas is odorless and nontoxic but may induce suffocation by diluting the concentration of oxygen in air below levels necessary to support life. 氢是无嗅无毒的,但通过把空气中氧的浓度稀释到维持生命所必须的水平以下,氢可以引起窒息。
- Mass concentration of NP15EOdecreased 98% again after 7 days, and those of NP18EO and NP_(20)EO decreased 90% after 14days. NP_(15)EO、NP_(18)EO、NP_(20)EO的表观质量浓度出现先增加再降低的现象,7天后NP_(15)EO的质量浓度与初始相比又降到98%25,14天后NP_(18)EO和NP_(20)EO的质量浓度又降到90%25;
- By gravitational decantation and centrifugal separation treatmentm,the mass concentration of quinoline insoluble(QI) in coal tar is less than 0. 以煤焦油为原料;通过重力预沉降、离心分离处理;制备出优质的针状焦生产原料;煤焦油中喹啉不溶物(QI)质量分数<0。
- Measuring the concentration of dissolved oxygen in an aqueous environment and analyzing the availability of oxygen in waterways exposed to typical pollutants. 在水环境中测定溶解氧的浓度并分析排水沟中溶解氧量可能受到哪些典型的污染物所影响。
- Hydrogen gas is odorless and nontoxic but may produce suffocation by diluting the concentration of oxygen in air below levels necessary to support life. 氢是无嗅无毒的,但通过把空气中氧的浓度稀释到维持生命所必须的水平以下,氢可以引起窒息。
- The alkalescent condition reduces the mass concentration of iron ions and fastens the nitration reaction of ammonia nitrogen, and leads to the concentration of nitrate. 偏碱性条件使铁离子质量浓度降低,同时促进了氨氮硝化反应进行,使矿井水中硝酸盐和亚硝酸盐质量浓度增加。
- There was a shortage of oxygen at the top of the mountain. 山顶上缺氧。
- The granularity and mass concentration of cuttings at inlet of cyclone separator were obtained on the basis of the concentration of the drilling cuttings at wellhead. 通过对井口钻屑的采样分析和浓度计算,得到了旋风分离器入口钻屑的粒度分布和质量浓度范围。
- This paper introduces a high-speed analysis method for the mass concentration of free sulphuric acid in the hydro-phosphoric acid material liquid and its principle. 介绍了湿法磷酸料浆液相中游离硫酸质量浓度快速分析法及其原理。
- The rheological model of the mass concentration of coal-water slurries of 57.08% about Shenhua coal is gained by the experimental method of pipe flow and rotary viscometer. 摘要针对质量浓度为57.;08%25神华水煤浆,利用管流法和旋转粘度计法测得其流变模型。
- A molecule of water consists of two atoms of hydrogen and one atom of oxygen. 水分子含有两个氢原子和一个氧原子。
- Using Charged Particle Activation Analysis (CPAA), the concentration of oxygen in a thin boron target was determined, and the method of analyzing the thin unknown sample in comparison with the thick standard was studied. 应用带电粒子活化分析法(CPAA)对硼薄膜中的氧含量进行了测量,并对利用厚标样分析薄样品中的元素含量的比较测量方法进行了研究。
- Water is made up of oxygen and hydrogen. 水是由氢和氧构成的。
- There is a concentration of people in big cities. 大城市人口集中。