查询词典 magnesium borate
- 与 magnesium borate 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Most of Iceland's rock is basalt, a type that is rich in both calcium and magnesium.
在冰岛,绝大多数的岩石都是玄武岩,这种岩石含有丰富的钙元素和镁元素。
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The ocean floor is basalt rock, a mixture of silicon and magnesium.
构成海底的是玄武岩,一种硅和镁的混合物。
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Magnesium is going to be used in every application for the company.
镁是要使用的所有应用程序中的公司。
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The polymerization rate of benzonitrile catalyzed by Lewis acid and differentmetals was measured, and the activity of metals was in thefollowing decreasing order, magnesium, zinc, sodium, calcium.
发现Lewis酸-金属体系对芳香族腈是一种较好的催化剂,聚合速度比Lewis酸单独催化时有大幅度提高。
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Methods 4-Hydroxy- benzonitrile was treated with sodium hydrogen sulfide and anhydrous magnesium chloride in dimethyl formamide to give thioamide, which was then directly cyclized with ethyl 2-chloroacetoacetate without separation to give ethyl 2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylate(2) in one-pot; then 2 was formylated with Duff reaction adopting hexamethylenetetramine in trifluoroacetic acid to give ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate(3); finally, the target compound was obtained by the treatment of 3 with hydroxylamine hydrochloride and sodium formate in formic acid.
采用"一勺烩"方法,以4-羟基苯甲腈为起始原料,首先与硫氢化钠和无水氯化镁在N,N-二甲基甲酰胺中反应,所得中间体不经分离,直接加入2-氯乙酰乙酸乙酯进行环合反应,得到2-(4-羟基)苯基-4-甲基-5-噻唑甲酸乙酯(2);然后通过六亚甲基四胺/三氟乙酸进行Duff反应,得到2-(3-甲酰基-4-羟基)苯基-4-甲基-5-噻唑甲酸乙酯(3);再经盐酸羟胺/甲酸/甲酸钠体系脱水得到目标化合物。
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In comprehensive utilization of bittern ,it is an important issue to stu dy and develop the magnesium resources in it.
如何更快地研究和开发苦卤中的镁资源,是苦卤化学资源综合利用中的一个重大问题。
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The process for the production of white magnesium chloride hexahydrate from bittern in Yuncheng salt lake is studied.
研究了用运城盐湖卤水生产白色六水氯化镁的工艺路线,确定了蒸发终止温度为120~140℃,过氧化氢用量为2 mL,冷却采用自然冷确。
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Billy Bitzer was the first cinematographer to employ nighttime photography, a feat he achieved by firing magnesium flares into the night for the split-screen sequence of the sacking of Atlanta.
比利比泽尔是第一摄影师采用夜间摄影,他的壮举所取得镁弹发射到深夜的分割画面序列被解职的亚特兰大。
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However, a drug known as Gaviscon , containing magnesium carbonate and alginic acid derived from bladderwrack, has been shown helpful for heartburn in a double-blind trial.
然而,药物称为Gaviscon ,含有碳酸镁和海藻酸来自bladderwrack ,已被证明有助于灼热的双盲试验。
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Bladderwrack contains vitamins A, B1, B2, B3, B5, B12, C, D, E and K, and a wealth of minerals including calcium, copper, chlorine, iodine, iron, magnesium, manganese, nitrogen, phosphorus, potassium, sodium and zinc.
Bladderwrack含有维生素A,为b1,b2,B3中,B5,则维生素B12,C类,D,E和K,以及包括钙,铜,氯,碘,铁,镁,锰,氮,磷,钾,钠矿物财富和锌。
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- 推荐网络例句
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The system can be widely used in belt weighing and batching process control,etc.
介绍了基于智能模糊控制的嵌入式配料系统的设计方法,对模糊PID控制过程和系统调零作了重点的讨论,同时给出了PID控制的程序流程图和系统定长调零子程序。
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"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."
"我不知道,"她回答说,"如果你能带我转转,我能认出来的,因为灯塔就在舷窗外。"
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That experience was of great benefit to me.
那次经历对我很有益处。