查询词典 magnesium carbonate

Trees play an important role in the sequestration of atmospheric CO2 in magnesium and calcium carbonate rocks.

在二氧化碳结合成镁、钙碳酸盐的过程中，树木扮演着一个重要的角色：当山体增长，岩石会分裂开来，然后被运送到丘陵上，接着树木会使埋藏在泥土中的岩石分解成其他矿物，然后这些矿物就会跟空气中的二氧化碳结合。

A chalk bag and some chalk (Magnesium Bi Carbonate, actually) will help you keep your hands dry.

粉袋和镁粉使你的手保持干燥。

The causes and mechanisms of fouling are studied based upon the field investigation and laboratory analysis,which show that the major components of the fouling are calcium and magnesium carbonates with calcium carbonate in large percentage.

结果表明污垢的主要成分为钙和镁的碳酸盐，其中主要是碳酸钙。

Said method includes the following steps: firstly, adopting dipotassium hydrogen phosphate, magnesium sulfate, calcium chloride, citric acid, ammonium ferric citrate, disodium EDTA, sodium carbonate and minor element solution A5 to prepare culture liquor of nostoc according to a certain ratio; then controlling temp. light intensity and deration condition of the culture liquor to make culture of nostoc; third ste, harvesting nostoc; fourth ste, extracting nostoc polysaccharide; and fifth step, purifying, harvesing and drying nostoc polysaccharide.

首先是配制葛仙米培养液：采用磷酸氢二钾、硫酸镁、氯化钙、柠檬酸、柠檬酸铁铵、乙二胺四乙酸二钠盐、碳酸钠，微量元素溶液A5按比例配制；其次是葛仙米的培养：控制温度、光强、光质、培养液通气条件；第三是葛仙米的收获；第四是葛仙米多糖的提取；第五是葛仙米多糖的纯化、收获与干燥。

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。

The experimental conditions for measurement on the content of aluminium, calcium, magnesium, manganese, phosphor, silicon and titanium using ICP-AES method according to GB/T6730.63—2006 have been tested and analyzed. In the experiments the iron ore sample is decomposed and extracted using sodium carbonate/sodium tetraborate with proper acidity as the flux and then a working curve is drawn up using extremely pure ferric oxide (F2O3) as the primitive. And in the end the correlation coefficient r attains to 0.999 and above.

试验ICP-AES法测定铁矿石中铝、钙、镁、锰、磷、硅和钛国家标准方法GB/T6730.63－2006的实验条件，用碳酸钠/四硼酸钠作熔剂分解铁矿石样品，适当的酸度浸取，以高纯三氧化二铁打底作工作曲线，相关系数r达0.999以上。

Even poor water quality, enterprise calcium and magnesium ions concentration, nor endless washing soda residual carbonate caused by the blaze.

即使是染厂用水质量较差，钙、镁离子浓度较高，也无纯碱洗涤不尽残留碳酸盐而造成的白斑。

Cloth effect: even if they use less water, high concentrations of calcium and magnesium ion-type, nor a result of washing soda is not a result of the net residual carbonate leukoplakia.

布面效果：即使使用较差的水质，钙镁离子式浓度高，也无纯碱因洗涤不净残留的碳酸盐造成的白斑。

The invention provides a chemical nickel tungsten phosphorus plating solution for magnesium alloy, which consists of 10-20 g/L of nickel sulfate, 7-15 g/L of sodium tungstate, 29-50 g/L of sodium citrate, 14-30 g/L of sodium hypophosphite, 14-30 g/L of sodium carbonate, 5-12 g/L of ammonium bifluoride, additive accounting for 0.00005-0.003 percent of total weight and the balance being water.

本发明提供的是一种镁合金化学镀镍钨磷镀液。它由硫酸镍10-20g/L、钨酸钠7-15g/L、柠檬酸钠29-50g/L、次亚磷酸钠14-30g/L、碳酸钠14-30g/L、氟化氢铵5-12g/L、占总重量0.00005-0.003％的添加剂和余量的水组成。

For applying nano-particles to the functional finishing of textiles, nanometer MgO was prepared by direct precipitation method with magnesium nitrate and sodium carbonate decahydrate as raw materials, and its structure and property were characterized by DSC and XRD.

为将纳米粒子应用于织物的功能整理，以硝酸镁和碳酸钠为原料，采用直接沉淀法制备纳米MgO，并用差示扫描量热分析和X射线衍射等方法对产物的结构与性能进行表征。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。