查询词典 phosphate

The purpose of this study was to inestigate whether calcium phosphate can be used as an alternatie material to polymethyl methacrylate for ertebroplasty and kyphoplasty.

讨论这一研究的目的是对磷酸钙是否可以当作聚甲基丙烯酸甲酯的一种替代材料应用于椎体成形术和后凸成形术进行观察。

Phosphate porous starch and PVA were cross linked by methenamine and boric acid Crystal area was serious destroyed by esterification and cross linked. 6 Biodegradation experiment was carried out with soil-burying method.

5红外光谱和X-射线衍射的结构分析表明：在改性淀粉的羟基上引入了磷酰基团，并未破坏原淀粉的基本化学结构；交联剂在改性淀粉和PVA之间形成了C-O-C化学交联键；酯化和交联反应均有较强的淀粉晶区破坏作用。

The synthesis path of 2-phosphono-butane-1,2,4-tricarboxylic acid is studied by using alkyl phosphate,butendioic acid dialklesters and methyl acrylate with the catalyst of sodium methylate.

论文摘要本文以亚磷酸二甲酯，顺丁烯二酸二甲酯，丙烯酸甲酯为原料，甲醇钠为催化剂，合成了 2-膦酸丁烷-1，2，4-三羧酸并对中间物及产物进行了 IR、13C，31P 核磁，MS 表征。

The results showed that, the change of intracellular carbohydrates and accumulation of PHAs were coupled in the anaerobic zone, which could verify the soundness of Mino model of biochemical phosphate removal.

实验结果表明：胞内碳水化合物的变化与PHAs的生成有着一定的相关关系，验证了Mino生物除磷模型的正确性。

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。

Changes in fluorescence emission spcetra of phycobilisomes from Mastigocladus laminosus durihg dissociation in phosphate buffer of various molarity were studied.

研究了层理鞭枝藻藻胆体在不同浓度磷酸缓冲溶液中解离过程中荧光发射光谱的变化和光能传递。

In the present study, direct ammonium molybdate spectrophotometric method was used to measure the phosphate uptake of unicellular M. aeruginosa.

采用了直接显色法对单细胞铜绿微囊藻蓄积正磷酸盐的浓度进行测定，并与传统测定方法进行比较。

Rare precious metals company mainly engaged in electroplating and metal surface treatment, environmental treatment, washed clean of raw materials: silver nitrate, nitric acid and rhodium, palladium nitrate; Asia selenium acid, selenium dioxide, tellurium dioxide, mineral selenium powder Japan, Mitsubishi Se powder, Mitsui, Sumitomo, emerging, Germany selenium powder; molybdenum trioxide, DMF; TX-10, NP-9 series, EDTA series; sodium hypophosphite, nickel nitrate, metal thallium, rhodium, palladium, platinum , Beryllium, Ritek, zirconium products; sponge palladium; electrolytic nickel, nickel corner, hydrazine hydrate, Ultra-fine silver, nano-silver; Thallium sulfate, iodized Thallium sulfate, nickel, copper sulfate, copper chloride, copper oxide, nickel oxide , Lanthanum oxide, oxidation Er, bismuth oxide, bismuth ingots, tin ingots, indium ingot, indium foil, Xinding, zinc powder; SnCl2, sulfate-tin; hydrofluoric acid, white Vaseline, propylene glycol, dichloro Methane, the propylene glycol, triethanolamine, triethanolamine oleic acid soap, chloroform, pyrophosphate copper, Gioia sodium, polyacrylamide, PAC, oleic acid, Glycerol, phosphate and other domestic and imported chemical series.

公司主要经营稀贵金属及电镀金属表面处理、环保污水处理、洗涤清洗原料：硝酸银、硝酸铑、硝酸钯；亚硒酸、二氧化硒、二氧化碲、日本矿业硒粉、三菱硒粉、三井、住友、新兴、德国硒粉；三氧化钼、二甲基甲酰胺；TX－10、NP-9系列、EDTA系列；次亚磷酸钠、硝酸镍、金属铊、铑、钯、铂、铍、铼、锆系列产品；海绵钯；电解镍、镍角、水合肼、特细银粉、纳米银粉；硫酸铊、碘化铊、硫酸镍、硫酸铜、氯化铜、氧化铜、氧化镍、氧化镧、氧化铒、氧化铋、铋锭、锡锭，铟锭、铟箔、锌锭，锌粉；氯化亚锡、硫酸亚锡；氢氟酸、白凡士林、丙二醇，二氯甲烷，二丙二醇，三乙醇胺、三乙醇胺油酸皂、三氯甲烷、焦磷酸铜、焦亚硫酸钠、聚丙烯酰胺、聚合氯化铝、油酸、甘油、磷酸等国产、进口化工系列。

Keywords Rare earths;Monazite;Carbon reduction;Rare earth phosphate

稀土； 独居石精矿；碳还原；稀土磷酸盐

The experimental results showed that the ratio of free SO2 in total SO2 was increased from 4.0 % to about 17.5 % by the addition of ammonium monoacid phosphate or ammonium sulfate during fermentation process.

实验结果表明，添加磷酸氢二铵或硫酸铵，能将酒中游离SO2占总SO2的比率从4.0 %提高到17.5 %左右，在总SO2一定的情况下，增加了游离SO2的量，为生产中减"S"提供理论依据。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。