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- volume ratio of air 空气体积率
- volume ratio of air to water 气水体积比
- It is shown that the relationship between real and apparent pulsation amplitudes remains linear when the volume ratio of the air tube to air probes is not greater than 4. 实验结果表明：当吹气管道总体积与吹气杯体积之比不大于4时，吹气法在线测量的真实振幅与表观振幅呈线性关系。
- When mixed, the proposed volume ratio of pendimethalin 33% EC, chlorpyrifos 48% EC and water was 3:5:1000(by vol). 混用时33%25二甲戊灵EC、48%25毒死蜂EC和水的体积比以3:5:1000为宜。
- The volume ratio of oil and water(W_1/O) had the most evident effect on entrapment efficiency among thr... 第一水相的体积对微球的表面形态影响很大,第一水相的比例越大,会在微球的表面留下更多的孔隙结构。
- The on line measurement method for the gas volume ratio of the lower conduit of cocurrent flotation machine is described. 论述了顺流浮选机下导管中气容率的在线测定方法。
- The average and local of gas holdup, volume ratio of large bubble and small bubble is very important to the design and operation of BCR. 平均和局部气含率以及大、小气泡的比率对鼓泡床反应器的设计和运行是很重要的。
- FCC LCO was treated with 80% acetic acid solution by solvent extraction based on chemical complexation at a volume ratio of solvent to oil of 0. 2. 用高浓度的醋酸水溶液对催化裂化柴油进行络合萃取来改善其氧化安定性，并对萃取所采用的工艺条件进行了实验室研究。
- The ratio of air to fuel for which perfect combustion takes place is called stoichiometry. 实现完全燃烧时的空气和燃烧的比率称为化学当量比。
- The lack of air in the room make everyone sniffle. 屋子里空气缺乏，使得每个人都频频吸气。
- And that The volume ratio of Usnea subfloridana polysaccharides that get rid of dissociative protein with sevag reagent is 3:1, repeat five times, shake 30 min each time. 而亚花松萝多糖用Sevag 试剂除游离蛋白时的体积比为3:1,反复脱蛋白五次,每次振荡30min。
- The great virtue of air travel is speed. 乘飞机旅行的最大优点是速度快。
- Proper volume ratio of heptane to 1 - decene is important to catalyst lifetime because heptane in reactants can increase diffusibility of reactants and products. 较低的反应温度有利于提高催化剂的稳定性；
- This new style of air conditioner is noiseless. 这种新型空调没有噪音。
- As the pressure coefficient increases, the volume ratio of the working gas vs. the cushion gas increases rapidly and the efficiency of gas storages increases too. 同时随著增压系数的增大，工作气与气垫气的体积比迅速增加，气库效率随之提高。
- When the volume ratio of the strong absorbing material, carbon particle, is greater than 0.3, the equivalences of absorption efficiency and extinction efficiency are good. 当体积比大于0.;3时，其吸收效率、消光效率等效性较好；
- I'll just trot out for a breath of air. 我要到外面去走走换换空气。
- I want to buy a set of air conditioning. 我想买一台空调。
- The doctor urged a change of air. 医生力劝换个环境。
- It was confirmed that the optimum volume ratio of 50% citric acid solution to 30% H2O2 is 1.5 : 1.The LT GaAs cap layer of GaAs MESFET was etched off with the 50% citric acid/H2O2 solution, and the AlAs spacer layer with hydrochloric acid. 分析了选择腐蚀机理;确定了腐蚀工艺中50%25柠檬酸:H_2O_2=1.;5:1的最佳腐蚀液配比方案。
