磷酸钠

Objective To study the preventive effects of lidocaine and dexamethasone on extravasation of chemotherapeutic drugs.

目的探讨盐酸利多卡因和地塞米松磷酸钠在预防化疗药物外渗中的作用。

A method for the determination of CaF2 in fluorspar samples by X-ray fluorescence spectrometry with sodium metaphosphate as flux is proposed.

采用偏磷酸钠作熔剂制备萤石熔融片，用波长色散X射线荧光光谱法测定萤石中的氟化钙。

We discussed the influence of calcium fortifier, stabilizer and poly-phosphoric acid sodium on the stability of high calcium fluid milk.

探讨了钙剂的选择依据及其在牛乳中的合适添加量，阐述了钙剂、稳定剂和多聚磷酸盐对高钙液体乳热稳定性的影响机理，确定了生产高钙牛乳的最优配方是钙剂用量为60mg/100mL、CMC—Na为0.3％、多聚磷酸钠为0.2％。

Methods Effect of concentrations of CS and GPS and pH of the mixture solutions on the gelation of CS/GPS solution were investigated.

方法研究不同浓度的壳聚糖和甘油磷酸钠、混合溶液的pH值等因素对CS/GPS溶液凝胶化性能的影响。

Methods:(1) Bone marrow stromal cells isolated from Beagle dogs were cultured in vitro for the primary culture,in basic medium consisted ofDMEM^iew horning cattleerum,etc. Parts of subculture were cultured in mineralization medium which additionally contained 50 y g/ml ascorbic acid, 10mmol/LNa- beta -Glycerophosphate and 10-8mol/L dexamethasone in order to induce cells differentiating into osteoblasts.

①抽取毕格犬髂骨骨髓体外分离培养获得骨髓基质细胞，DMEM、新生牛血清培养基进行原代培养，部分传代细胞以含10~(-8)mol/L地塞米松、50μg/ml抗坏血酸和10mmol/Lβ—甘油磷酸钠的矿化培养液诱导其向成骨细胞增殖分化，用倒置相差显微镜进行细胞形态学和细胞生长增殖观察。

The addition of sodium hypophosphate must be appropriate , if added much , W and SiC contents in the coatings were decreased , So the addition of sodium hypophosphate must be controlled

次亚磷酸钠的添加量应适中，添加过多会降低镀层中 W 和 SiC 的含量，一般应控制在10~15g/L 之间。

The hardness and wear resistance of the RE-Ni-W-P-SiC composite coating increase with the rise of SiC and sodium tungstate concentrations in the bath respectively , while the hardness and wear resistance of the RE-Ni-W-P-SiC coating decrease with increasing sodium hypophosphate concentration in the bath.

随着镀液中次亚磷酸钠浓度的升高，镀层的硬度和耐磨性均降低。

According to the properties of acrylic acid series polymer of scale inhibition. A kind of amphiprotic tercopolymer of acrylic acid, acrylamide and dimethyldiallylammonium chloride is synthesised, with water as solvent, persulfate and hypophosphate as initiator. Through the tests, the copolymer can show the good scale inhibiting effect and bactericidal action, and become a multifunctional scale inhibition.

本研究根据丙烯酸聚合物阻垢剂的特点，使用过硫酸铵(NH_4_2S_2O_8、次亚磷酸钠(Na_2PO_3)构成的氧化——还原型引发剂，水为溶剂，合成了新型可用于处理工业循环冷却水的丙烯酸—丙烯酰胺—二甲基二烯丙基氯化铵两性型三元共聚物。

The mechanism of electroless nickel deposition in sodium hypophosphite bath is discussed.

探讨了次亚磷酸钠体系化学镀镍沉积机理。

Therefore, the deposit using sodium hypophosphite as reductant was more suitable for the industries which had a relatively low requirement on conductance.

因此，次磷酸钠为还原剂的化学镀铜工艺更适宜应用于对导电性要求相对较低的行业。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。