酸酐

Objective To evaluate the reliability of reverse transcription -PCR in detecting the expression of the carbonic anhydrase Ⅸ gene in renal cell carcinoma.

目的评价RT-PCR法检测碳酸酐酶Ⅸ基因在肾癌组织的表达的可靠性。

Flow-injection spectrophotometry was established to measure carbonic anhydrase activity and the effect of magnetic field on CA activity was studied.

建立了流动注射分析方法，评价了碳酸酐酶的活性，并用此方法研究了磁场对酶催化活性的影响。

Objective To demonstrate the molecular expression of carbonic anhydrase Ⅳ in rabbit corneal endothelium.

目的本研究旨在从分子水平证明碳酸酐酶Ⅳ型在兔角膜内皮细胞中的表达。

3Novel Fluorenyl Cardo chain extended bismaleimideswere synthesized and characterized by reacting maleic anhydride with fluorenyl cardo diamine and different dianhydrides.

通过马来酸酐和芴基Cardo二胺及不同二酐反应，合成了新型的芴基Cardo链延长型双马来酰亚胺。

After transfection with human carbonic anhydrase Ⅱ cDNA, the lovo cells changed obviously with reduction in invasiveness,chemotaxy motor ability and tolerance. Conclusion Differential expression of proteins was found between colorectal cancer genesis and hepatic metastasisnegion.

结论结直肠癌原发灶和肝转移灶蛋白质组表达有显著差异，碳酸酐酶Ⅱ表达下调和精氨酸酶、谷胱甘肽S-转移酶A3增强表达可使结直肠癌细胞生物学行为发生改变并促进肝转移发生。

With a fixed capital of RMB 80 million yuan, the company mainly produces sodium dichromate (with an annual output of 20 thousand tons), chromic anhydride (with an annual output of 5000 tons), potassium dichromate (with an annual output of 1000 tons), and oxidized chrome green (with an annual output of 3000 tons).

云南省陆良化工实业有限公司坐落在四季如春的云南省曲靖市陆良县西桥工业区，是滇、桂、黔三省唯一的铬化工生产公司，公司拥有固定资产8000万元，主要生产产品有：2万吨／年重铬酸钠、5000吨／年铬酸酐、1000吨／年重铬酸钾、3000吨／年氧化铬绿。

What's more, we measure the inhibition rate of calcium carbonate and conglutination of the polymaths.

以丙烯酸、顺丁烯二酸酐和丙烯酰胺为原料，过硫酸钾为引发剂，在不同的条件下进行自由基聚合反应，生成不同分子量的共聚物，并测定了这些共聚物的粘度和对碳酸钙的阻垢率。

12 In patients with normal renal function, chronic hypercalcemia maybe associated with an increase in serum creatinine.

对于肾功能正常的患者，慢性高钙血症可能与血清肌酸酐增多有关。

All compounds are synthesized starting from the acylation reaction of gallic acid with L-glutamine to form the basic scaffold, followed by the cyclic reaction in acetic anhydride and the key intermediate cyclic anhydride (compound 4) was obtained. The intermediate compound is condensed with different amino acids or primary amines, and produces the target compounds.

本研究以L－谷氨酸为基本骨架，与甲醚化保护的没食子酸缩合后，经过酰化、环合反应得到关键中间体环状酸酐（化合物4），再经胺解反应合成目标化合物，其化学结构经过红外光谱、电喷雾质谱和核磁共振谱（氢谱、碳谱、碳氢异核多键相关谱）确证。

With more than 1800 employees, 180 million total assets and 250 thousand square meter industrial area, now we have already developed three subsidiaries: Biochemical Company, Cyder Company and Wine Company; the main products including itaconic acid, itaconic anhydride, dimethyl itaconate, L-Threnonine, L-Tartaric Acid, Kojic Acid, Kojic Acid Dipalmitate, Hyaluronic Acid, Phytic Acid, Cider, Mineral water, Apple vinegar and high-grade grain spirits, etc.

我公司生产历史悠久，技术力量雄厚，现有职工1800余人，厂区面积25万平方米，下属生化公司，苹果酒公司，白酒公司，主要产品有衣康酸、衣康酸酐、衣康酸二甲酯、苏氨酸、酒石酸、苹果酒、苹果醋、琅琊台系列白酒等。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。