today, we sign a comprehensive agreement for avoidance of double taxation between hong kong and belgium.

1、

section 4 summarizes the measures of avoidance of double taxation.

第四部分对本协定避免双重征税的措施作了总结。

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2、

china signed tax agreement and avoidance of double taxation agreement with korean and singapore respectively.

中国和韩国、新加坡分别签订了税收协定、避免双重征税的协定。

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3、

meanwhile, the two countries should sign agreements on investment protection, avoidance of double taxation, etc at an early date.

中方愿扩大从墨的进口，同时双方也应尽早签署投资保护、避免双重征税等协定。

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4、

the level of dihydrofolate reductase ( dhfr) mrna expression was assayed with rt pcr.

用RT-PCR检测二氢叶酸还原酶（DHFR）mRNA表达量；

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5、

achievements in research on plant cinnamoyl-coa reductase ( ccr) genes

植物肉桂酰辅酶A还原酶（CCR）基因的研究进展

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6、

ribonucleotide reductase m1 expression and its significance in lung cancer

核糖核苷酸还原酶M1的表达及其在肺癌中的意义

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7、

the activity of glutathione reductase was inhibited firstly and then restored gradually;

谷胱甘肽还原酶（GR）活性则先受到抑制后逐渐回升；

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8、

the killing effects of nitroreductase/ cb1954 suicide gene system on hela cells

硝基还原酶/CB1954自杀基因系统对宫颈癌Hela细胞杀伤效应的实验研究

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9、

aldose reductase ( ar) plays an important role in sugar cataract and other complications of diabetes.

醛糖还原酶（AR）在糖性白内障和其它糖尿病并发症的发病中起着关键性的作用。

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10、

protective effect of mutant dihydrofolate reductase gene on human peripheral blood cd_ ( 34)~+ cells against methotrexate

二氢叶酸还原酶耐药基因对人外周血CD（34）~+细胞的保护作用

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11、

in all sexual glands of adult rats, there is no difference in the activity of 5 α reductase type ⅱ among these groups.

成年期大鼠性腺的各部位内，5α还原酶Ⅱ型的活性在C、D和ID组各组间差异无显著性（P均>0.05）。

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12、

fasting serum nitric oxide metabolites ( nox) were measured by nitrate reductase.

硝酸盐还原酶法测定空腹血清一氧化氮代谢物（NOx）水平。

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13、

cdna cloning and sequences analysis of ubiquinol-cytochrome c reductase complex ubiquinone-binding protein ( qp-c) from giant panda

大熊猫辅酶Q-细胞色素C氧化还原酶的辅酶Q连接蛋白基因cDNA的克隆及序列比较

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14、

cloning and sequence analysis of nitrate reductase gene cdna fragments from non-heading chinese cabbage

不结球白菜硝酸还原酶基因cDNA的克隆及序列分析

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15、

response of soil hydrolase and oxidoreductase activities to free-air carbon dioxide enrichment ( face) under rice-wheat rotation

稻-麦轮作系统土壤水解酶及氧化还原酶活性对开放式空气CO2浓度增高的响应

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16、

ubiquinol-cytochrome c reductase iron-sulfur subunit expressed only in model groups.

在模型6h和24h组新出现的有：泛醇-细胞色素C还原酶铁硫亚单位；

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17、

mechanisms of enzyme-catalyzed dissimilatory fe(ⅲ) reduction and its molecular regulation: a review

异化Fe（Ⅲ）还原酶促反应及调控机制的研究进展

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18、

relationship between c (-106) t polymorphism of aldose reductase promoter region and diabetic retinopathy

醛糖还原酶基因启动区C（-106）T多态性与糖尿病视网膜病变相关性研究

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19、

effects of vitamin c on activity of aldose reductase in renal cortex of diabetic rats

维生素C对糖尿病大鼠肾脏醛糖还原酶活性的影响

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20、

the extraction and purification of cytochrome b_5 reductase

细胞色素b5还原酶的提取纯化

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