OBJECTIVE To evaluate the quality, physical and chemical properties, stability and release of ferulic acid ( FA) liposomes prepared by calcium acetate gradient method. 目的采用醋酸钙梯度法制备阿魏酸脂质体,考察其制备工艺及理化性质,进行体外释放度及稳定性评价。
Efficiency of sulfur reduction was double when organic calcium was used under ( 1? 000 ℃) compared to limestone, and reduction efficiency of calcium magnesium acetate was73. 下有机钙对长广煤的脱硫率比普通石灰石高1倍以上,其中醋酸钙镁的脱硫效果高达73。
Study on the Best Adsorbable Condition Efficiency of Active Carbon in Using Furfural Wastewater to Produce Calcium Magnesium Acetate 糠醛废水制备醋酸钙镁工艺中活性炭最佳吸附条件的试验研究
Effects of Calcium Acetate on the Hydrothermal Synthesis of Tetragonal-Phase ZrO_2 ( 3Y) Nanocrystals 醋酸钙在制备四方-ZrO2(3Y)纳米晶中的作用
The chemical modification was performed by the complexes such as calcium acetate, magnesium acetate or zinc acetate which reacted with crude capsanthin, and a good result can be gained. 用金属钙、镁、锌的乙酸盐为络合剂分别对粗辣椒红色素进行化学改性,得到辣椒红色素镁络盐和锌络盐的粉末产品;
The metastable zone is narrowed, and the crystal growth rate is increased in the presence of calcium acetate as an impurity. 醋酸钙杂质的存在使木糖溶液介稳区变窄,晶体生长速率加快。
Application and development of calcium magnesium acetate 醋酸钙镁盐的应用及开发
The ethoxylation of phenol using calcium acetate as catalyst was reported in this article, focusing on the study of the influence of the pressure and the catalyst quantity on the product molecular weight distribution. 研究用乙酸钙为催化剂的苯酚乙氧基化反应,着重考察了催化剂用量、反应压力等因素对产物相对分子质量分布的影响。
Nursing care of a case with corneal ulcer induced by calcium acetate acinetobacter 1例乙酸钙不动杆菌致角膜溃疡病人的护理
Preparation of Tretinoin Liposome by Calcium Acetate Gradient Method Determination of acetic acid in Leuprorelin by HPLC 醋酸钙梯度法制备维A酸脂质体HPLC梯度洗脱法测定醋酸亮丙瑞林中醋酸的含量
OBJECTIVE: To evaluate the feasibility of preparing tretinoin liposome by calcium acetate gradient method and to compare this method with the microfilm and the antiphase evaporation method. 目的:评价醋酸钙梯度法制备维A酸脂质体的可行性,并与薄膜法、逆相蒸发法进行质量比较。
Then, the effectiveness of calcium magnesium acetate ( CMA), calcium acetate ( CA) and calcium propionate ( CP) as feasible HF capture have been studied by means of fixed bed tube furnaces. 然后,在高温定碳炉上做了有机钙和碳酸钙固氟试验研究,对有机钙的燃烧固氟效果进行了系统的研究和理论分析。
Finally, the ChS-A and GhS-G were separated by ethanol precipitation in the presence of calcium acetate. 最后用乙醇分段沉淀法将ChS-A及ChS-C分开。
Progress of Remote Loading of Amphipathic Drugs into Liposomes Remote Loading of Tretinoin into Liposome Gel by Calcium Acetate Gradient Method 主动载药法制备两亲性药物脂质体的研究进展醋酸钙梯度法制备维A酸脂质体凝胶的研究
Calcium lactate and Calcium acetate were suitable strengthener. 乳酸钙和醋酸钙是比较适合酱油的钙强化剂;
CONCLUSION: 8 bacteria as verdigris pseudomonas, staphylococcus aureus, enterobacteriaceae, calcium acetate, fecal enterococcus, escherichia coli, metatypic bacillus, klebsiella pneumoniae, et al, are the major infected bacteria. 结论:烧伤感染中以铜绿假单胞菌、金黄色葡萄球菌、阴沟肠杆菌、醋酸钙不动杆菌、粪肠球菌、大肠埃希菌、变形杆菌及肺炎克雷伯菌8种细菌为主。
The Perkin method for coumarin synthesis from salicylaldehyde and acetic anhydride has been improved by using calcium acetate as catalyst and polyethylene glycol as activator. 对以水杨醛和乙酸酐为原料合成香豆素的工艺进行了改进.采用乙酸钙为催化剂、PEG为活化剂的工艺路线。
With calcium acetate as precipitating agent, the effect of phosphite ion removal under different temperature, dosage, pH value and reaction time were investigated, meanwhile, the dephosphorization effect when using Ca ( OH) 2 and CaO as precipitating agent were also discussed; 以乙酸钙为沉淀剂,考察了在不同的温度、用量、pH值以及反应时间条件下,去除亚磷酸根的情况,讨论了采用Ca(OH)2、CaO为沉淀剂的除磷效果;
Using serum bottle as batch reactors and calcium acetate as substrate, the stimulations of trace metals Fe, Co, Ni on the methanogens were studied. The results showed that a supplement of trace metals to the anaerobic system could effectively shorten the digestion period. 本文以血清瓶为反应器,以醋酸钙为基质,通过厌氧批量试验从动力学的角度研究了微量金属元素Fe、Co、Ni对甲烷菌的激活作用。
CONCLUSION: The liposome with high entrapped effi-ciency could be prepared by calcium acetate gradient method, and the method is feasible. 结论:采用醋酸钙梯度法制备维A酸脂质体包封率较高,方法可行。
In the experiment, calcium acetate is used as the precipitator of phosphite ion and sulfate ion, and the residual calcium is removed with sodium fluoride due to the low solubility constant of calcium fluoride. 本实验选用乙酸钙作为亚磷酸根、硫酸根沉淀剂,利用氟化钙溶度积常数小的特点,余钙用氟化钠去除。
Study on Preparation of Ice-Melting Agent ( Calcium Acetate) from Eggshell 鸡蛋壳制备乙酸钙冰雪融化剂的研究
Effect of impurity calcium acetate on the crystallization of xylose 醋酸钙杂质对木糖结晶过程的影响
Proper conditions of making calcium acetate from egg shells are as follows: burning egg shells for one hour at 1000 ℃ for a complete decomposition; 用鸡蛋壳制备醋酸钙的适宜条件为:鸡蛋壳完全分解需1000℃煅烧1h;
Experiment of Absorbing Sulfur Dioxide Fume by Calcium Acetate Solution 醋酸钙溶液吸收二氧化硫烟气的试验研究
Mice were fed high-fat-diet and treated by seed extract of cassia tora for 4 week, at the same time, the calcium acetate and calcium inhibitor Nifedipine were also used to treated the mice. 决明子提取物处理高脂粮饲喂的小鼠四周,同时添加了醋酸钙和钙通路抑制剂硝苯地平处理。
Calcium acetate from products meet with national standards, which are safe and reliable, and can be used for food, medicine and other industries. 所得产品醋酸钙符合国家标准,是安全可靠的,可以用于食品,医药等行业。
Researches abroad indicated that organic calcium salts ( such as calcium acetate) had high desulfurization efficiency and certain denitration efficiency simultaneously, which were very suitable for coal-fired boilers absorbents. 国外研究表明有机酸钙盐(如乙酸钙等)在具有较高的脱硫能力的同时,还具备一定的脱硝能力,非常适合用于燃煤锅炉污染物的脱除。
The results show that the linear dependence of decarboxylation method, colorimetry of carbazole and calcium acetate method is perfect. 探讨了四种方法的线性相关性,实验结果显示脱羧法、咔唑比色法、醋酸钙法的线性相关性很好,重量法的线性相关性较差一些。
The study of this article is optimization process of preparing calcium acetate with egg shells for basic material, the method of which is, respectively, ultrasonic wave-assisted 、 microwave-assisted and magnetic-assisted, meanwhile, determinating quality products of Preparation of calcium acetate. 本文研究以鸡蛋壳为原料,分别采用超声波辅助中和法,微波辅助中和法和磁场辅助中和法制备醋酸钙的优化工艺。并对制备的醋酸钙产品进行了品质测定。