查询词典 magnesium chloride
- 与 magnesium chloride 相关的网络例句 [注:此内容来源于网络,仅供参考]
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At the same time the study is the base on which makes anhydrous magnesium chloride.
同时本体系的研究为今后制取无水氯化镁工艺奠定了基础。
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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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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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Dehydrated ammonium carnallite (MgCl2·NH4Cl·nH2O, n=0.51) is obtained at 160 ℃ for 4 h, suitable for preparation of anhydrous magnesium chloride.
且铵光卤石于160 ℃脱水4 h可得到含结晶水为0.5~1的低水合铵光卤石,其可用作生产无水氯化镁的原料。
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The relationship between magnesium chloride concentration with density and salinity were analysed respectively, which showed a theoreticl basis for crystallization automatic control of carnallite cold decomposition process.
研究了不同温度下,低钠光卤石分解过程分解液中氯化镁含量、密度、盐度随时间的变化规律,分析了分解液中氯化镁含量与密度、盐度之间的关系,为低钠光卤石分解制备氯化钾结晶过程自动控制提供了理论基础。
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At the same time, also an annual output of calcium bromide, zinc bromide, sodium bromide, calcium chloride, magnesium chloride halide of 200,000 tons.
同时公司还年产溴化钙、溴化锌、溴化钠、氯化钙、氯化镁的卤化物20万吨。
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Has now been formed, including scale inhibitors, corrosion inhibitors, bactericidal Algicide, cleaning agents, pre-film, chelating agents, distributed agents from the monomer to a wide range of complex pharmaceutical product system, as well as soda ash, calcium chloride , magnesium chloride, sodium nitrite, bromine and bromide products.
现已形成了包括阻垢剂、缓蚀剂、杀菌灭藻剂、清洗剂、预膜剂、螯合剂、分散剂等从单体到复合药剂门类齐全的产品体系,以及纯碱、氯化钙、氯化镁、亚硝酸钠、溴素及溴化物系列产品。
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Demineralise Whey*, Vegetable Oils, Skimmed Milk Powder*, Lactose, Dietary Fibres (Galacto-oligosaccharides*, Polyfructose), Fish Oil, Potassium Citrate, Calcium Chloride, Calcium Carbonate, Sodium Citrate, Magnesium Chloride, Vitamin C, L-arginine, Emulsifier, Taurine, Iron Sulphate, Vitamin E, Citidine 5'-monophosphate, Zinc Sulphate, Adenosine 5'-monophosphate, Uridine 5'-monophosphate, Inosine 5'-monophosphate, Niacin, Guanosine 5'-monophosphate, Folic Acid, Copper Sulphate, Vitamin a, Vitamin B12, Pantothenic Acid, Biotin, Beta-carotene, Vitamin D3, Thiamin, Vitamin B6, Manganese Sulphate, Potassium Iodide, Vitamin K1, Sodium Selenite.
无矿物质乳清*,植物油,脱脂奶粉*,乳糖,膳食纤维(半乳糖寡糖*,多聚果糖),鱼油,柠檬酸钾,氯化钙,碳酸钙,柠檬酸钠,镁,氯,维生素C,L -精氨酸,乳化剂,牛磺酸,硫酸亚铁,维生素E,Citidine 5'-磷酸,硫酸锌,腺苷5'-磷酸尿苷5'-磷酸肌苷5'-磷酸,烟酸,5'-鸟苷磷酸,叶酸酸,硫酸铜,维生素A,维生素B12,维生素B3,维生素H,β-胡萝卜素,维生素D3,硫胺素,维生素B6,硫酸锰,碘化钾,维生素K1,亚硒酸钠。
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Nanocrystalline hexagonal VSi〓, with an average diameter of 35nm, was prepared via a reduction-silication route by the reaction of metallic sodium with vanadium tetrachloride and silicon at 650℃ in a molten salt system of magnesium chloride and sodium chloride. The sample had good oxidation resistance at 1000℃.
金属硅化物通常具有很高的熔点、较低的电阻率、很好的高温热稳定性,有些还具有奇异的光、电、磁、超导、催化等性能,因此是一类最富潜力的高温结构材料和电子材料。
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Sea Tour" card magnesium chloride, potassium chloride, and other products for many years was the title of high quality products of light industry enterprises for nine years been the business sector as "the contract, the word units.
海游&牌氯化镁、氯化钾等系列产品连续多年获轻工业优质产品称号,企业连续九年被工商部门评为&重合同、守信用单位。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力