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- sulfonation and alkali fused 磺化碱融
- Dihydroxynaphthalene was synthesized by sulfonation and alkali fusion using refined naphthalene as raw material. 以精萘为原料,通过磺化、碱熔制得高纯度的1,5-二羟基萘。
- 1,5-Dihydroxynaphthalene was synthesized by sulfonation and alkali fusion using refined naphthalene as raw material. 以精萘为原料,通过磺化、碱熔制得高纯度的1,5-二羟基萘。
- The acid and alkali are combined into salt. 酸与碱化合成盐。
- The acid and alkali are combined in salt. 酸与碱化合成盐。
- Acid and alkali are the basic concept of chemistry. 酸和碱是化学的基本概念。
- The two blue pigments we have are Berlin Blue and Alkali Blue Lake. 我们有两种蓝色颜料，分别为柏林兰和碱性蓝色淀。
- In the determination of CaO and MgO content in limestone,three methods are adopted in comparison: high temperature alkali fuse,agglomeration HCldissolve and HCl direct dissolve. 在石灰石的氧化钙、氧化镁含量的测定中,比较了高温碱熔、高温烧结后盐酸溶样及盐酸直接溶样的方法;同时比较了不同指示剂的灵敏度。
- It was able to endure oil ,acids and alkalis. 耐油，耐酸碱，耐腐蚀，抗拉伸，弹性好。
- The cleanup methods include liquid-liquid partition process column chromatography, sulfonation and so on. 净化方法主要有：液-液分配净化法、柱层析法、磺化法等。
- The sole are resistant to most common acids and alkalis. 鞋底可防一般的酸及碱。
- It was stability to acid (pH=2) and alkali (pH=10), and keeping its quality. 抗生素2507具有较好的稳定性，能耐酸碱和储存。
- Gloss, Weatherability, Water and alkali resistance, pigment dispensability. 光泽,耐候性,耐水性,耐碱性,颜料分散性
- Soluble in water, acid and alkali solution, slightly soluble in ethanol. 溶于水、酸和碱溶液，稍溶于乙醇。
- It was concluded that both acid and alkali can promote the gelatinization,w... 可知酸、碱可以促进黑血糯的糊化,而蔗糖则有一定的抑制作用。
- He struck a match and ignited the fuse. 他划了根火柴，点著了导火索。
- The results indicate the mortar is highly resistant to acid and alkali medium. 测试结果表明:该树脂胶泥具有优良的耐酸耐碱性能。
- The pressurized sulfonation and methylation process of utilizing black liquor to prepare additive for CWM is studied by cross test and a new method of performance evaluation for CWM is given. 通过正交实验法,对造纸黑液加压磺甲基化制备水煤浆添加剂进行了研究,提出了一种新的全面评价水煤浆性能的方法。
- I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。
- It is a fact of life and you must face it. 这是严酷的现实，你必须面对它。
