查询词典 potassium carbonate

Natural gypsum and ammonium hydrogen carbonate could be changed into higher value-added potassium sulfate and ammonium chloride through this new effective clean production process.

提出了一条有效利用天然石膏生产硫酸钾的清洁生产新工艺，通过该方法，可将天然石膏和碳酸氢铵变为具有更高价值的硫酸钾和氯化铵。

Gypsum,ammonium hydrogen carbonate and potassium chloride were used as raw materials in this research,to produce potassium sulfate, potassium ammonium chloride and calcium carbonate.

以石膏、碳酸氢铵和氯化钾为原料，生产硫酸钾、氯化铵钾和碳酸钙，原料综合利用充分，经济效益好。

The steps for preparing insecticide include: first shaking flask for fermentation, adding amidon, soya bean cake powder, cotton cake powder, protease leather, yeast powder, maize milk, magnesium sulfate heptahydrate, monobasic potassium phosphate, dibasic potassium phosphate, calcium carbonate alpha-amylase and make-up water by ratio in culture medium with 100 unit volumes; secondarily filling 100ml culture mediums in triangular bottle, then seeding BTH-13 after disinfection and culturing them until the brood-cell pulls off under finite temperature; third adopting the selected culture medium and fermenting them in full-automatic fermentation tank, acidifying the fermentation liquor after the fermentation, adding the emulsifier, and directly performing spray-drying after the compression of the fermentation liquor to prepare the wettable powder.

制备杀虫剂的步骤是：首先是摇瓶发酵，在100单位体积的培养基中，按比例加入淀粉、豆饼粉、棉饼子粉、蛋白胨、酵母粉、玉米浆、七水硫酸镁、磷酸二氢钾、磷酸氢二钾、碳酸钙、及α-淀粉酶，补充水；其次是在三角瓶中装100ml培养基，灭菌后接种BTH-13，在一定温度培养至芽孢脱落；第三是采用筛选出来的培养基，在全自动发酵罐中进行发酵，发酵结束后发酵液酸化，加入乳化剂，酵液浓缩后直接喷雾干燥制备可湿性粉剂。

This paper introduces the characteristics of crystal whisker and details the use situation of basic magnesium carbonate,zinc oxide and potassium titanate crystal whisker s.

简要介绍了晶须的性质特点，并详细介绍了碱式硫酸镁晶须、氧化锌晶须、钛酸钾晶须在涂料中的应用情况。

Major procurement of goods: a three-chlorosilanes, dichloromethane, AE activity ester, 3-iodine Silane, special acid, pentyl chloride, triethylamine, thiadiazole, tetrazolylazo acid, 2 - Acetamide, tetrahydrofuran, the four-guanidine, isopropanol, five phosphorus trichloride, sodium vary bitter, acid, sodium phenylacetate, 6-2 silicon n-amine, Ethylacetoacetate , Methyl isobutyl ketone, potassium dihydrogen phosphate, aluminium oxide, DL methionine, N, N-dimethylaniline, NN-diethyl aniline, 4 sodium EDTA, Anhydrous sodium sulfate, ammonium sulfate, potassium sulfate, sodium acetate, sodium carbonate, DMC, formic acid, sodium chloride medicinal, oxalate, protopine, acetone, alcohol, acetic acid, vinegar Ethyl, butyl acetate, methanol, ethanol (anhydrous, industrial, medicinal), formaldehyde, Ye Jian (30%), hydrochloride (industrial-grade, refined grade, reagent level), sulfate (98%), Ammonia, calcium carbonate, chlorine dioxide, 6 - APA ,7-ACA ,7-ADCA ,7-ANCA, sulbactam, ceftazidime activity ester, Deng salt (hydroxymethyl-K, acid precursors Potassium, sodium dihydrogen methyl), resin, the enzyme, water treatment agent, Xiao Mo agent, demulsifier, flocculants, activated carbon, all kinds of medicinal materials, All kinds of additives

三甲基一氯硅烷、二氯甲烷、AE活性酯、三甲基碘硅烷、特戊酸、特戊酰氯、三乙胺、噻二唑、四氮唑乙酸、二甲基乙酰胺、四氢呋喃、四甲基胍、异丙醇、五氯化磷、异辛酸钠、苯乙酸、苯乙酸钠、六甲基二硅胺烷、乙酰乙酸乙酯、甲基异丁酮、磷酸二氢钾、三氧化二铝、DL蛋氨酸、N，N-二甲基苯胺、NN-二乙基苯胺、乙二胺四乙酸四钠、无水硫酸钠、硫酸铵、硫酸钾、醋酸钠、碳酸钠、碳酸二甲酯、甲酸、药用氯化钠、草酸、片碱、丙酮、正丁醇、冰醋酸、醋酸乙酯、醋酸丁酯、甲醇、乙醇、甲醛、液碱（30％）、盐酸（工业级、精制级、试剂级）、硫酸（98％）、氨水、碳酸钙、二氧化氯、6－APA、7－ACA、7－ADCA 、7－ANCA、舒巴坦、头孢他啶活性酯、邓盐(羟甲基钾、前体酸钾、二氢甲基钠)、树脂、生物酶、水处理剂、消沫剂、破乳剂、絮凝剂、活性碳、各种药用辅料、各种添加剂

A counter-current multistage leach ing process has been analyzed and used to leach potassium from roasts of potash feldspar, gypsum and calcium carbonate to increase the potassium recovery and the potassium sulfate concentration in the filtrate of the first stage.

采用多级逆流浸取操作方式以提高钾长石热分解烧成物浸取液中硫酸钾的浓度和浸出率，在对浸取过程进行分析和合理假设的基础上对过程进行了数学描述，建立了浸取过程相应参数的计算式。

The experimental results show that: lithium is scatteredly precipitated as natural lithium carbonate in the whole evaporation process, and the highest content of natural lithium carbonate in solid phase is 2.0%, so it is difficult to get the mixed salt with high-grade lithium carbonate; boron is precipitated as borax in the whole evaporation process, and borax is precipitated in large quantity with the highest content of 15.64% in solid phase until the brine is extremely concentrated (CWR≥97.9%) and intergrows closely with typical cold-phase natron; potassium is precipitated as sylvite and aphthitalite in the whole evaporation process with a content from 9.49% to 34.44%.

结果表明：在低温蒸发状态下，锂以天然碳酸锂形式在整个蒸发过程中分散沉淀，固相最高含量仅达2.0%，因此难以获得较高品位的富锂混盐；硼在全蒸发过程中以硼砂形式自然沉淀。当卤水高度浓缩（蒸失率达97.9%以上）时大量析出并与典型冷相矿物泡碱紧密共生，固相中硼砂含量最高可达15.64%；钾以氯化钾和钾芒硝形式沉淀，在蒸发浓缩的全过程中均有不同程度析出，固相含量在9.49%~34.44%之间波动。

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。

Sodium citrate; calcium carbonate; calcium hydroxide; potassium bicorbonate; magnesium carbonate; ferrous sulphate; Zinc sulphate; copper sulphate; manganese sulphate; potassium iodide; sodium selenite.

柠檬酸钠；碳酸钙；氢氧化钙；碳酸氢钾；碳酸镁；硫酸亚铁；硫酸锌；硫酸铜；硫酸锰；碘化钾；亚硒酸钠。

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。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。