alkali造句
271. The alkali cellulose is then treated with carbon disulfide to form cellulose xanthate.
272. High molecular weight alkali soluble polymer used as a binder and thickener for manufacturing carbon black inks.
273. The preparation of chitin from cicada was discussed emphatically. The preparation process, decolor conditions, the concentration and dosage of the acid and alkali were studied.
274. Aphanitic graphite react with acid, alkali, result in implanting same radical into crystallite, but impurity isn't shown on X-ray.
275. Fenitization is well developed around the carbonatite complex which is composed of various sizes of carbonatite, alkali basic pegmatite, lamprophyre, granite porphyry , and dia base dikes.
276. An alkali such as sodium bicarbonate may relieve the pain to an even greater degree.
277. Undissolved in water or ethanol, easily dissolves in inorganic acid(nitric acid, hydrochloric acid), acetic acid and ammonium chloride solution, slightly dissolves in alkali metal carbonate solution.
278. The carboxymethylinulin(CMI)was prepared via reaction of inulin with sodium chloroacetate as etherification agent in presence of alkali using microwave method.
279. Francium is the densest of the Alkali Metals and also radioactive.
280. Was found the alkali boiling performance has greater impact to sugarcane rind fibers during the extraction process.
281. It provides protection againstslag and alkali attack when applied to Fiberfrax high - tempera - ture boards and modules.
282. Chondroitin sulfate was extracted from the eggshell membrane with a method of dilute alkali - enzyme hydrolysis.
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