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- Water, containing dissolved calcium hydrogen carbonate, passes through the limestone and drops evaporate on the stalactite, increasing its length with a deposit of calcium carbonate. 含有溶解碳酸氢钙的水通过石灰石滴在钟乳石上蒸发,随着碳酸钙沉积物的增加不断增加着它的长度。
- calcium hydrogen carbonate 碳酸氢钙
- Water, containing dissolved calcium hydrogen carbonate, passes through the limestone and drops evaporate on the stalactite, increasing its length with a deposit of calcium carbonate 含有溶解碳酸氢钙的水通过石灰石滴在钟乳石上蒸发,随着碳酸钙沉积物的增加不断增加着它的长度。
- 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。
- Its composition includes (by weight portion) sodium hexametaphosphate 60-70 portions, calcium hydrogen phosphate 20-30 portions, copper carbonate 5-10 portions and zinc carbonate 5-10 portions. 本发明水处理剂由以下重量份的原料制成:六偏磷酸钠60-70份、磷酸氢钙20-30份、碳酸铜5-10份、碳酸锌5-10份。
- Sodium hydrogen carbonate should be added in portions and carefully, preventing overflow of the products from the beaker. 中和用碳酸氢钠要适量,每次加入量也不能太多否则会起泡沫溢出烧杯,造成不必要的损失。
- The inorganic phases of the powders were mainly composed of HAP and definite Calcium Hydrogen Phosphate( DCPA )which changed with the final pH of co-precipitating process . 粉体无机晶相主要由HAP和一定磷酸氢钙 (DCPA)构成;DCPA相对含量随 pH的不同发生变化.
- Patented fibre complex of organic plant source. Excipients: microcrystalline cellulose, calcium hydrogen phosphate dihydrate, silica, povidone and magnesium stearate. 已申请专利的植物来源纤维素。赋形剂:微晶纤维,磷酸钙化合物,硅,磷脂酸镁。
- Red phosphor Al2O3:Eu was prepared by co-precipitation method using mixture of ammonium hydrogen carbonate and ammonium water as complex precipitator. 用碳酸氢铵和氨水混合溶液作为复合沉淀剂制备了Al2O3:Eu红色荧光粉体。
- Nanometer CeO_2 powders were prepared by means of microwave radiation using cerous nitrate and ammonium hydrogen carbonate. 以硝酸铈为原料;碳酸氢铵为沉淀剂;用微波加热的方法制备了纳米CeO_2超细粉体.
- The analytical method of sodium carbonate,sodium hydrogen carbonate and total alkality in natural alkali was studied by combining nonwater titration with acid-base titration. 研究了非水滴定和酸碱滴定相结合测定天然碱中碳酸钠、碳酸氢钠和总碱度的分析方法;
- Feed-grade calcium hydrogen phosphate was prepared by defluorination and neutralization method with wastewater in phosphate fertilizer plant,diatomite,sodium chloride and lime milk as raw materials. 以磷肥厂废水、硅藻土、氯化钠和石灰乳为原料,采用脱氟与中和法制备饲料级磷酸氢钙,并通过正交试验优化了工艺条件。
- The parallel tests showed that the distilled monoglyceride was best for emulsifier, and sodium alginate, calcium hydrogen phosphate and citric acid monohydrate were good stabilizers. 通过对比试验选取分子蒸馏单甘酯作乳化剂,海藻酸钠和磷酸氢钙、柠檬酸作为稳定剂;
- This paper introduces some synthetic methods calcium hydrogen phosphate on toothpaste class and place under compares and choice the synthetic methods on the resources of stuff and acquired synthetic. 介绍了目前国内牙膏级磷酸氢钙的生产方法并加以比较,从而根据原料来源、生产要求等不同情况确定其生产方法。
- As viewed from application of the technoogy of producing high-pure manganes carbonate using poor manganese, ferrisulphas and ammonium hydrogen carbonate as raw material is introduced. 本文从应用的角度出发,介绍了以贫锰矿、硫酸亚铁、碳酸氢控等为原料,生产高纯碳酸锰的方法。
- Preparation of Anhydrous Calcium Hydrogen Phosphate 无水磷酸氢钙的制备研究
- feed - grade calcium hydrogen phosphate 饲料磷酸氢钙
- Ammonium hydrogen carbonate for industrial use 工业用碳酸氢铵
- feed-grade calcium hydrogen phosphate 饲料磷酸氢钙
- Abstract: Amorphous hydrogenated carbon films have been deposited with benzene in an electron cyclotron resonance (ECR) plasma system. 文摘:用苯作源气体在一个微波电子回旋共振离子体系统中沉积了含氢非晶碳薄膜,研究了沉积参数对膜的生长速率的影响。