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- Study on Purifying Phenol with Activated Acidic Earth 活性白土法精制苯酚研究
- Keywords phenol;purification;sulphonated pigmentation ratio (UVT);activated acidic earth; 苯酚;精制;硫酸着色率(UVT);活性白土;
- activated acidic earth 活性白土
- These two parameters could be used for estimation of the durability of the active acid operated in the plant. 根据这两项资料可作为判断活性白土,对不饱和烃的吸附强度及持久性之依据。
- The burglar alarm was activated by mistake. 防盗铃误响了。
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- The soil becomes more and more acidic as pollution mounts up. 随着污染的加剧,土壤的酸化越来越严重。
- I am doing an experiment of neutralizing acid. 我在做一个中和酸的实验。
- Can Jones beat Smith? That's the acid test. 琼斯能击败史密斯吗?那是个严峻的考验。
- Souse is believed to be highly acidic. 腌货被认为具有很强的酸性。
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- In the term of yield and quality of cucumber,optimum treatment(N2) were not different from the conventional fertilizer treatment,but it could increase Vc content and active acidity(pH). 从产量和品质看,减少氮的用量,黄瓜产量会降低,但推荐施肥与传统施肥处理差异不明显,而推荐施肥能提高果实中Vc含量、有效酸度(pH),改善黄瓜的口感。
- She dropped acid in high school. 她高中时代服迷幻药。
- The metal is fretted with the acid. 金属被酸腐蚀。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- The acid has eaten through the metal cover. 酸已把金属盖子蚀穿了。
- The worker's overalls were badly burned by acid. 这位工人的工作装被酸腐蚀得很厉害。
- An acid can react with a base to form a salt. 酸可以和碱起反应而生成盐。
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