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- The methanol rectification process was introduced and the process of adding alkali or not was compared. 对甲醇精馏过程进行了阐述,并对过程加碱与不加碱作以比较说明。
- Corrosion and scale inhibitions of PESA are evaluated by rotary coupon test and aeration method,respectively. 通过鼓泡法和旋转挂片失重法对其阻垢性能和缓蚀性能进行了评价。
- The results show that using 75% ethanol to extract lappaconitine gets over the problem which was brought by adding alkali traditionally. 实验结果表明,用75%25乙醇做溶剂提取刺乌头碱克服了传统的强碱加入导致酯键断裂的问题;
- Based on the principle of suction, a natural aeration method is proposed for prevention of Karst collapse, which has been tried in some areas in China with satisfactory results. 在真空吸蚀原理的基础上,提出了防治塌陷的自然充气法,在中国某些地区试验效果良好。
- As compared with the present technology at home and abroad, the technological process need not add alkali to conduct a saponified reaction progress. 与目前国内外工艺相比,本工艺流程中,无需加碱进行皂化反应过程,既缩短了工艺路线,降低了成本;
- The practice was done according to different process of BAF in different aeration methods and filter diameters, the practice showed be feasible. 本工程还根据BAF工艺不同功能环节采用了不同曝气方式、滤料粒径进行实践,证明是可行的。
- RESULTS The amount of added alkali is the significant factor,while the maceration time is the inefficient factor to the extracting procedure. 结果加入碱的量对指标均具有非常显著性差异,而浸渍时间均无显著性差异。
- A few jokes will add a final fillip to your speech. 几句笑话会给你的演说添些生气。
- INFLUENCE OF ADDING ALKALI METAL Rb ON PERFORMANCE OF CATALYSTS FOR PHTHALIC ANHYDRIDE FROM o-XYLENE 碱金属铷对邻二甲苯制苯酐催化剂性能的影响
- She uses tongs to add coals to the fire. 她用火钳往炉火中添煤。
- I add the coal on the flame continuously. 我不断朝火里添加煤炭。
- Add salt, pepper and a dash of vinegar. 加盐、胡椒粉和一点儿醋。
- She lifted the lid of the pot to add some salt. 她掀起锅盖加点盐。
- Please add some soda to the whisky. 请在威士忌中加些苏打水。
- Adding salt to food improves the flavour. 食物中加盐可以提味。
- I don't think these facts will add up to anything. 这些事实我看不说明任何问题。
- Method for adding an SQL statement to a batch. 方法,将SQL语句添加到一个批处理中。
- accelerated aeration method 加速通气法
- Add salt to correct the seasoning. 加点盐把味道调好。
- I have nothing to add to my earlier statement. 我对我先前说的话,没有什么补充的。