醋酸
- 与 醋酸 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In the presence of acetic acid and polyethylene glycol, anthracene reacted with ammonium ceric nitrate and sodium bromate to form anthraquinone.
在醋酸、聚乙二醇存在下,蒽与硝酸铈铵和溴酸钠反应生成蒽醌,聚乙二醇作为相转移催化剂可以提高反应的选择性。
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With cerous ammonium nitric-ethylene diamine tetraacetic acid as an initiator, and with the protection of the nitrogen the graft-copolymerization of methylacrylic acid and vinyl acetate on chitosan grafting was studied.
以硝酸铈铵-乙二胺四乙酸为引发剂,在N2气的保护下,研究了壳聚糖与甲基丙烯酸和醋酸乙烯酯两种单体的接技共聚反应。
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Taken dried Chaenomeles fruit as a raw material,Chaenomeles fermented vinegar was produced by the way of alcohol fermentation and acetic fermentation.
以宣木瓜干为原料,经过酒精发酵和醋酸发酵生产木瓜醋,并采用孔径为0.1μm的无机陶瓷膜对产品进行过滤杀菌。
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This paper deals with making stop bleeding sponge with dried small shrimps. Firstly breaking away with inorganic salt and proteir in the dried small shrimps with acid and NaOH, secondly, taking off vinyl-in the chitin with 50% NaOH, temperature is 110 ℃. the last, reacting with chitosamine and PVA-124 make stop bleeding sponge were produced, catalyst is PdCl 2. The sponge film and sparkce is setatisfaction.
用虾壳经除盐,去蛋白处理后,用50%的NaOH溶液在110℃的温度下脱乙酰基制备壳聚糖;以1∶9的稀醋酸溶作溶剂,氯化钯作催化剂,甲苯二异氰酸酯作发泡剂、交联剂,使壳聚糖与PVA-124进行交联成膜,发泡用氨水洗成中性后在80℃的红外灯烘箱下烘干,制得止血海棉
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The main products are formic acid, propionic acid, methyl acetate, morpholine, imidazole, methyl chloroformate, 1,2-pentanediol, nylon and engineering plastic.
代理BASF和HONEYWELL优质产品散水化工品:甲酸,丙酸,醋酸甲酯中间体:吗啉,咪唑,氯甲酸甲酯,1,2-戊二醇,尼龙和工程塑料。
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After acid hydrolysis of urine, primary amino acids were derivatized with ortho-phthaldialdehyde and removed from the sample by use of silica gel, followed by devivatized of hydroxyproline with 9-fluorenylmethyl chloroformate, and then injected into a C8 reversed-phase column.
采用邻苯二甲醛和芴甲基氯甲酸酯两个衍生剂,先后处理尿标本,以国产C8柱为固定相,在醋酸钠缓冲液中加入23%的乙腈作为洗脱液,3,4-脱氢脯氨酸作为内标。
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Result: Eight compounds were isolated and they were identified as β-sitosterol (1), succinic acid (2), luteolin-7-O-β-D-glucoside (3), uracil (4), apigenin (5), chrysoeriol (6), chrysoeriol-7-O-β-D-glucoside (7), and apigenin-7-O-β-D-glucoside (8). Conclusion: Compound 4-8 were isolated from L.
结果:从藏药短管兔耳草醋酸乙酯提取物中分离得到8个化合物,经鉴定分别为β-谷甾醇(1),琥珀酸(2),木樨草素-7-O-β-D-葡萄糖苷(3),尿嘧啶(4),芹菜素(5),柯伊利素(6),柯伊利素-7-O-β-D-葡萄糖苷(7)和芹菜素-7-O-β-D-葡萄糖苷(8)。
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CoAPO-5 molecular sieve was hydrothermally synthesized using pseudo-boebmite, phosphoric acid (85%), tetrahydrate cobaltous acetate as raw material and N, N-diehtyl-ethanolamine as tern- plating agent.
以拟薄水铝石、质量分数85%的正磷酸、四水合醋酸钻为原料,N, N-二乙基乙醇胺为模板剂,水热法合成了CoAPO-5分子筛。
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In joins in the cobaltous acetate resultant besides nano-carbonball, has tubular of matter the minority head harness metal. Adds response the formic acid nickel to be possible to obtain the particle size comparatively greatly to have the carbon-encapsulated. The Co3B obtained resultant shape not to be more irregular also to have the carbon-encapsulated.
当加入醋酸钴反应时,产物中除奈米碳球外,还具有少数头戴金属钴之管状物质;而加甲酸镍时,则可得到较大粒径具有包覆现象之奈米碳球;然而加入硼化钴所得反应产物形状较不规则且具有包覆之奈米颗粒。
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Methods The rat's colonitis was induced by 8% acetic acid.Twenty hours later,the rats were given the medicine and the hair color and stool had been observing for two weeks.
8%的醋酸灌肠大鼠建立溃疡性结肠炎动物模型,24 h后给药,连续14天,观察大鼠毛色、粪便、体重变化情况。
- 推荐网络例句
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Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".
歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车,和一双合并为一移交&整个lotta爱&。
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This is Kate, and that's Erin.
这是凯特,那个是爱朗。
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Articulate the aims, objectives and key aspects of a strategic business plan.
明确的宗旨,目标和重点战略业务计划。