查询词典 orthophosphate

Then,the tradition manner of crystallization was evaporating and crystalline,but this paper made the other method . The salt-mixture solution of the disodium hydrogen phosphate and the monometallic odium orthophosphate was put in ethanol.

传统的结晶方法是通过加热蒸发结晶，而本文则采用了一种新的结晶方法，在精调后的正磷酸盐混合溶液中加入乙醇，由于正磷酸盐不溶于乙醇，就会使正磷酸盐溶液达到过饱和，再通过搅拌，析出晶体。

Its steps include these:(1) purification of WPA;(2) neutralization reaction between purified WPA and sodium carbonate for the salt mixture of disodium hydrogen phosphate and monometallic sodium orthophosphate;(3) adjustment of the mixture's neutralizing degree with additive acid or alkali;(4) quick separation of crystal with additive organic solvent under continue stir;(5) polymerization of crystal under the high temperature for the high quality product of STPP.

其步骤为：(1)湿法磷酸净化；(2)净化后的磷酸与碳酸钠中和反应生成磷酸一氢钠和磷酸二氢钠混合盐溶液；(3)用酸、碱调节确定该混合盐溶液的中和度；(4)加入有机溶剂，通过不断地搅拌使晶体快速析出；(5)晶体经高温聚合，生成高品质的三聚磷酸钠。

Purposes: To observe intakes of 〓p-sodium-orthophosphate and 〓P-chromium- orthophosphate at various concentrations by brain gliomas cell; To make thorough inquiry of the inhibition to the SHG44 cell by 〓P-sodium-orthophosphate and 〓P-chromium-orthophosphate at various concentrations; To find out the regularities about the accumulation and elimination in the major organs of rats after inter-brain injection with 〓P-sodium-orthophosphate and 〓P-chromic-orthophosphate; To investigate the therapeutic effects of intert-injection with 〓p-chromium-orthophosphate on the neoplasia transplanted in the brain and hypoderma; To estimate the absorbed dose of the neoplasia body in rats after internal radiation; To study the pathological changes in the rat cells and tissues caused by the radiation exposure from 〓p.

目的：观察人脑胶质瘤SHG44细胞对不同浓度的〓P-磷酸钠和〓P-磷酸铬的摄取；探讨不同浓度〓p-磷酸钠和〓p-磷酸铬对SHG44细胞生长的抑制；揭示〓p-磷酸钠和〓p-磷酸铬在大鼠颅内注射在时全身主要脏器的蓄积与排除规律；观察〓p-磷酸铬大鼠颅内瘤体、皮下瘤体内注射的治疗效果；估算大鼠瘤体组织的吸收剂量；观察〓p照射引起的细胞及组织的病理学改变，为临床脑胶质瘤内照射治疗提供实验依据和吸收剂量计算方法。

Sodium phosphate salts,which mainly include sodium orthophosphate,sodium pyrophosphate,sodium polyphosphate,and sodium metaphosphate,are the largest produced and consumed phosphate products in industrial phosphates.Their technical exploitation and market development are both relatively mature.

磷酸钠盐是工业磷酸盐中产量最大、消费量最多的磷化工产品，其技术开发与市场发展都比较成熟，主要有正磷酸钠盐、焦磷酸钠盐、聚磷酸钠盐和偏磷酸钠盐。

In this paper, the composition of zinc phosphating solution used at environmental temperature was researched. The composition is as followings: phosphoric acid 100 mL, monometallic sodium orthophosphate 20 g/L, zinc oxide 25 g/L, bluestone 1 g/L, sodium molybdate 1 g/L, sodium fluoride 1 g/L, tartaric acid 1 g/L.

研究了配制锌系磷化液配方：1 L溶液中加入磷酸100 mL，磷酸二氢钠20 g，氧化锌25 g，硫酸铜1 g，钼酸钠1 g，氟化钠1 g，酒石酸1 g。

A review on the trace analytical techniques for orthophosphate in ocean environments is presented in this paper.

本文综述了近年来海洋环境中痕量活性磷的分析技术。

It has been suggested that the calcium orthophosphate sludge could have a commercial use as an agriculturalfertilizer .

有人建议，钙磷酸盐污泥可以作为一个商业用途的农业肥料。

The results showed that STPP was hydrolyzed to pyrophosphateand orthophosphate,whereas pyrophosphate was further hydrolyzed to orthophosphate in Aristichthys nobilis minced meat.

研究结果表明，添加到新鲜碎鳙肉中的STPP能被水解成焦磷酸盐和单磷酸盐，所生成的PP继续水解，最终产物为Pi。

It has been found that compressive and flexural strength increases with increment of the density of lightweight alumina bubble ceramics surface-modified by aluminum dihydrogen orthophosphate and orthophorphoric acid due to in-situ formation of aluminum orthophosphate, and the results of the two surface-modifier were similar.

在原位反应生成磷酸铝烧结轻质氧化铝空心球陶瓷中，磷酸二氢铝、磷酸两种结合剂结合陶瓷的耐压强度和抗折强度随配方密度提高而提高，且较为相近。

The results showed that at the anaerobic phase, the PHB concentration in the cell and orthophosphate concentration of the anaerobic effluent obviously increased, the poly-P concentration in the cell decreased, and the cucci and bacilli with a size of 1.0~1.5 μm were dominant and formed grapy cellular cluster. At the anoxic phase, the PHB concentration and orthophosphate concentration decreased significantly, the amount of poly-P increased, and the elliptical cucci of 0.5~1 μm and spheral bacilli of 1.0~1.5 μm were dominant. At the aerobic phase, the PHB and orthophosphate concentration almost reduced to zero, the poly-P increased significantly, cucci appeared single or in pair, and the contour of sphere was blur and almost disappeared.

试验结果表明，在厌氧阶段，微生物细胞内PHB的量大幅提高，上清液中磷酸盐的含量上升，聚磷酸盐含量明显下降，粒径为1～1.5 μm、呈球状和棒状的菌群构成的葡萄状细胞簇占居优势；在缺氧阶段，微生物细胞内PHB的量下降，上清液中磷酸盐含量下降，聚磷酸盐含量上升，粒径为0.5～1 μm的椭球菌与1.0～1.5 μm的球杆菌占优势；在好氧阶段，微生物细胞内PHB的量较低或接近零，上清液中磷酸盐的含量接近零，聚磷酸盐含量明显上升，此时粒径1.0～1.5 μm的球菌以单个或成对出现，球菌不再饱满，呈现接近消失的状态。

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。