查询词典 sodium carbonate

Inorganic agents such as sodium bicarbonate, ammonium carbonate and sodium boron hydride generate gas slowly and the gas produced by these agents is generally difficult to control.

无机物质如碳酸氢钠，碳铵和钠硼氢化物气体产生缓慢，所产生的沼气，这些代理商通常很难控制。

Based on analysis on the dosage of sodium cyanide and research on its leaching mechanism in gold concentrate leaching,a new technique that the mixture of ammonium carbonate and ammonium hydroxide can reduce the dosage of sodium cyanide is put forward.

通过对氰化浸出过程氰化钠消耗情况分析，在进一步研究金精矿氰化浸出机理的基础上，提出了采用碳酸铵、氢氧化铵混合试剂降低氰化钠用量的新工艺。

Sodium chloride-common table salt-is the most familiar salt; sodium bicarbonate, silver nitrate, and calcium carbonate are others.

氯化钠是最熟悉的盐；其它熟悉的盐类有碳酸氢钠、硝酸银以及碳酸钙。

Chicken, Chicken Meal, Whole Ground Brown Rice, Whole Ground Barley, Chicken Liver, Pea Fiber, Chicken Fat (Preserved with Natural Mixed Tocopherols and Citric Acid), Brewers Dried Yeast, Natural Chicken Flavor, Dried Egg Product, Oil Blend (Soybean oil, Olive Oil, Salmon Oil, Evening Primrose Oil; Preserved with Natural Mixed Tocopherols and Citric Acid), Pumpkin, Apples, Sweet Potatoes, Carrots, Spinach, Blueberries, Dried Cranberries, Clams, Whole Ground Flaxseed, Calcium Carbonate, Salt, Potassium Chloride, Taurine, Green Lipped Mussels, Dried Chicory Root Extract, Yucca schidigera extract, Grape Seed Extract, Dried Kelp, L-Ascorbyl-2-Polyphosphate, Glucosamine Hydrochloride, Chondroitin Sulfate, Vitamin E Supplement, Ferrous Sulfate, DL-Methionine, Zinc Proteinate, Zinc Oxide, Manganese Proteinate, Niacin, Copper Proteinate, Folic Acid, Vitamin B12 Supplement, Copper Sulfate, Manganous Oxide, Vitamin A Supplement, Sodium Selenite, Thiamine Mononitrat Calcium Pantothenate, Riboflavin, Pyridoxine Hydrochloride, Biotin, Vitamin D3 Supplement, Menadione Sodium Bisulfite Complex, Calcium Iodate, Dried Lactobacillus acidophilus Fermentation Solubles, Dried Lactobacillus lactis Fermentation Solubles, Dried lactobacillus casei Fermentation Solubles, Rosemary Extract.

创造了一种全新的生产模式：低温焗炉焗制，低温焗烤不仅保存了食物中的营养和矿物质，而且降低了油份，让您的宠物食得更健康。更值得一提的是，通过数年投入大量人力、财力经过不断的尝试，终于于2009年年初研制出适合猫咪的最好食粮，无论从口感、成分配比，营养分析等综合因素，是您可以选择的最好的食材。鸡肉，鸡肉粉，全糙米，全地面大麦，鸡肝，豌豆纤维，鸡脂肪（天然保存溷合生育酚和柠檬酸），干酵母，天然鸡肉香精，干蛋产品，溷合油（豆油，橄榄油，三文鱼油，月见草油，天然溷合生育酚和柠檬酸保存），南瓜，苹果，红薯，胡萝卜，菠菜，蓝莓，小红莓干，蛤，全亚麻籽，碳酸钙，盐，氯化钾，牛磺酸，绿唇贻贝，干菊苣根提取物，丝兰提取物，葡萄籽提取物，干海带，L -抗坏血酸- 2 -聚，氨基葡萄糖盐酸盐，硫酸软骨素，维生素E补充，硫酸亚铁，DL -蛋氨酸，锌蛋白盐，氧化锌，锰蛋白盐，烟酸，铜蛋白盐，叶酸，维生素B12，硫酸铜，氧化锰，维生素A补充剂，亚硒酸钠，硫胺Mononitrat泛酸钙，核黄素，盐酸吡哆醇，生物素，维生素D3的补充，亚硫酸氢钠甲萘醌复合，碘酸钙，干嗜酸乳杆菌发酵米糠，干乳酸乳杆菌萃取物，干乳杆菌萃取物，迷迭香提取物。

Thermal decomposition reaction kinetics of potash feldspar -calcium sulphate-calcium carbonate system added to sodium sulphate and sodium chloride was studied.

研究了钾长石-硫酸钙-碳酸钙体系加入硫酸钠、氯化钠的热分解反应动力学，结果表明硫酸钠可以有效促进钾长石的热分解。

The production method and processing conditions of sulfur,sodium hyposulfite, sodium hydrosulfide and thiourea from hydrogen sulfide tail-gas in the production of barium carbonate by carbonation method are introduced.

介绍了利用碳化法生产碳酸钡的硫化氢尾气生产硫磺、硫代硫酸钠、硫氢化钠和硫脲的生产方法和工艺条件，指出硫化氢的综合利用生产工艺简单，产品质量稳定，容易工业化，产品成本低，同时消除了硫化氢尾气对环境的污染，有巨大的经济效益和社会效益，发展前景非常广阔。

The company's main products are: anhydrous sodium sulphite (10000 T /), Gioia sodium (20000 T /), manganese carbonate (1000 T /).

本公司主要产品有：无水亚硫酸钠（10000T／年）、焦亚硫酸钠（20000T／年）、碳酸锰（1000T／年）。

The titration of the sodium hydrogen carbonate content in medicinal sodium bicarbonate tablet was compared with microburette under syringe control made on our own with conventional burette.

药用小苏打片中NaHCO3的微型滴定分析杨左海（咸宁医学院化学教研室湖北437100关键词小苏打片碳酸氢钠微型滴定法常规滴定法中图分类号O655.22小苏打片为NaHCO3加淀粉等压制而成，用于碱化尿液及酸血症，也可用于胃酸过多。

Accordingly a further feature of the invention is a combined process wherein a dialkyl phenylethylmalonate is made from an alkyl phenylacetate and a dialkyl carbonate by a process comprising adding to a quantity of sodium which is covered with a hydrocarbon solvent boiling above 100°C, at least a chemically equivalent proportion of a lower aliphatic alcohol, subsequently adding an approximately equivalent proportion of a dialkyl carbonate and of an alkyl phenylacetate, heating the mixture to induce reaction and continuously distilling out the alcohol formed from the reaction zone and finally causing the sodio diethyl phenylmalonate so obtained to interact with an ethylating agent, such as ethyl halide, diethyl sulphate of ethyl p-toluene-sulphonate.

因此，本发明的另一个应用是一个组合工艺过程：二烷基苯基乙基丙二酸酯由烷基乙酸苯酯和二烷基碳酸酯得到，具体工艺过程是：向覆盖有沸点超过一百摄氏度的团庆化合物溶剂的金属钠中添加至少化学平衡的低级脂肪族醇，然后加入大约相同当量的二烷基碳酸酯和烷基乙酸苯酯，加热混合物引导反应进行，持续蒸馏把形成的醇类从反应区域移出，最后使获得的二乙基苯基丙二酸酯和乙基化试剂如卤代乙烷，二乙基硫酸酯形成乙基p-甲苯磺酸酯。

Organic matter, pH, cation exchange capacity and contents of potassium, sodium, magnesium, copper, zinc, manganese, cobalt, iron, selenium, iodin and fluorin were determined of rock and soil samples from six main geological background areas within the main ruminant production base, in Yunnan Province, China. Results showed: 1 the red earth area of Paleozoic basalt and red earth area of carbonate the highest; the yellow-red earth area of mixture of carbonate, clasolite and basalt follows, except for its content of Co, which is relatively lower; and the purple earth area of Mesozoic clasolite, the yellow-red earth area of clasolite and the dark red earth area of Precambrian metamorphite are the lowest

对云南省反刍动物生产基地所属的6个主要地质背景区的土壤和岩石样品的K、Na、Mg、Cu、Zn、Mn、Co、Fe、Se、I和F元素及土壤的有机质、阳离子交换量和pH进行测定分析，结果表明：晚古生代玄武岩红壤区和碳酸岩盐红壤区土壤各种矿质元素都比较高，有机质含量与CEC都较高，特别是Ⅴ区最为显著；碳酸岩盐、碎屑岩和玄武岩混合型黄红壤区除了Co含量较低外，其他元素含量都居中等或偏上水平，有机质含量与CEC仅次于第1类背景区；碎屑岩紫色土区、变质岩赤红壤区和碎屑岩黄红壤区大多数矿质养分相对都比较低，有机质含量与CEC最低。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。