碳酸钙

A small rounded accretionary mass,usually of calcium carbonate,larger and less regular than an oolite.

豆岩一种小的圆形沉积岩，常为碳酸钙，比鲕状岩大且不规则

Manual: The health food is made from the raw materials of calcium carbonate、nicotinic acid、calcium pantothenate、vitamineB6、vitamineB1、vitamineB12、、vitamineB2、 folic acid、saccharose powder、starch、carboxymethyl starch natrium and stearic acid magnesium.

说明书：本品是以碳酸钙、烟酸、泛酸钙、维生素B6、维生素B1、维生素B2、叶酸、维生素B12、蔗糖粉、淀粉、羧甲基淀粉钠、硬脂酸镁为主要原料制成的保健食品，具有补充B族维生素的保健功能。

Based on the purpose, it is not necessary to coat nano-CaCO〓 surface thoroughly with surface modifier; it only need passivate some activity point on nano-CaCO〓 surface.

为纳米碳酸钙的表面处理提供理论指导

This paper introduces the application and characteristics of PCC as a filler and coating pigment in coated art paper production.

介绍了沉淀碳酸钙在铜版纸生产中作为填料及涂布颜料的应用与特性，重点介绍了涂布级PCC对铜版纸光学性能、印刷性能等方面所带来的影响，并展望了其在涂布加工纸中的应用前景。

The basic property of shape memory PCL /ultrafine CaCO3 compound was studied.

研究了形状记忆材料聚己内酯/超细碳酸钙复合材料的基础性能。

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

The calcium carbonate content of phosphate rock determines the pore structure.

磷矿中碳酸钙的含量决定了磷矿的毛细孔结构。

Different modifier s such as stearic acid,titanate coupling agent,sodium dodecyl benzene sulfonate and phosphorate are applied to improve the surface activity of ground calcium carbonate powder.

通过对改性效果分析，讨论各改性剂的改性特点及最佳配比，寻找碳酸钙的改性最佳工艺。

The acid water in coal pit can be well controlled by adding calcium carbonate and lime.

同时也介绍了处理酸性水的流程。阐述通过添加碳酸钙和石灰，可使酸性采煤坑水得到很好治理。

A systematic examination of various experimental parameters on the morphology and polymorph of CaCO3 particles at room temperature is presented.

本文系统地研究了室温下各种因素对碳酸钙晶体形貌和晶型的影响。

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。