氢

Objective The study was to explore the dihydropyrimidine dehydrogenase expression level in human colorectal carcinoma and its clinical implications.

目的检测二氢嘧啶脱氢酶在人结直肠癌组织中的表达水平，并探讨其临床意义。

Objective: To study the expression levels of thymidylate synthase and dihydropyrimidine dehydrogenase mRNA in gastric cancer tissues and its clinical significance.

中文摘要：目的：探讨胸苷酸合成酶和二氢嘧啶脱氢酶mRNA在胃癌组织中表达及其临床意义。

The activity of lactic dehydrogenase in the tissue culture medium was measured by a LDH kit.

使用乳酸脱氢酶试剂盒，测量组织培养液中乳酸脱氢酶活性的动态变化。

Light touches the intermediary is one catalyst, itself does not consume, the essential component is a nanometer carbon dioxide (TI02), under the illumination, Shui who the light touches in the intermediary union air He the oxygen forms the strong oxidized in the surface oxyhydrogen free radical, can decompose in the air the noxious gas and the bacterium, and releases C02 and the water, achieves the sterilization, the air purification, to deodorize.

光触媒是一种催化剂，本身并不消耗，主要成份是纳米二氧化碳（TI02），在光照下，光触媒结合空气中的水和氧气在表面形成强氧化性的氢氧自由基，能分解在空气中的有害气体和细菌，并释放出C02和水、达到杀菌、空气净化、除臭。氢氧自由基释放时模拟人体气味，有效把蚊子引过来。

It is concluded that mixture of deoxidant elements, reduction of oxygen and hydrogen source and improvement of escaping condition of oxygen from surfaced layers can prevent surfaced layers of copper-nickel alloy from producing gas holes efficiently.

本文分析了铜镍合金堆焊时所产生的气孔的主要原因及影响因素，认为粉末中脱氧元素的加入；减少氢、氧的来源；改善氢、氧从堆焊层中的逸出条件可有效防止铜镍合金堆焊层中气孔的产生。

The variation rule of Tritium in Lithium deuteride coincides with the naturial Tritium decay incompletely.

氢化锂含氚量的实际及化与氚的自然衰变规律并不完全一致，为了测定其变化规律，对贮存中的氢化锂含氚量进行了长时间跟踪测量。

All the compounds are characterized by IR and elemental analysis.we design and prepare a bipyridinium supramolecular compound and six coordination compounds, which are also characterized by IR, elemental analysis and X-ray structure analysis. According to X-ray structure analysis, hydrogen bonds and n-n stocking interactions participate in the architecture of three-dimensional framework [H2L1 (NO3)2 (H2O)2]n; one-dimensional zigzag coordination polymer [Hgl21.5CH3OH]n; binuclear metallamacrocycle (HgI2L2)2 3H2O; helical double-stranded one-dimensional coordination polymer [Co2(L2)2-2CH3OH]n; double-stranded one-dimensional coordination polymer [Co2(L3)2-CH3OH-CH3CN]n; and three-dimensional compound [Cu(C5H4NCOO)2(H2O)2]-H2O with hydrogen bonds, three-dimensional coordination polymer {[Cd(C5H6NCOO)2H2O]-DMF}n, which are indirectly obtained from the precursor ligand L3 through metal ion induced the hydrolysis of diamide and self-assembled with the hydrolyzate.

我们首次合成了一个双吡啶鎓超分子化合物和六个过渡金属配合物，并通过IR谱，元素分析和X-ray晶体衍射分析对它们进行了表征。X-ray晶体结构分析表明：超分子化合物[H_2L1·(NO_3)_2·(H_2O)_2]_n是由多种氢键和芳香环间的π-π堆积作用构建的三维无限结构；[HgI_2(L1)·1.5CH_3OH]_n是一维锯齿状配位聚合物；(HgI_2L2)_2·3H_2O是双核金属大环化合物；[Co_2(L2)_2·2CH_3OH]_n是具有一维双螺旋结构的配位聚合物；[Co_2(L3)_2·CH_3OH·CH_3CN]_n为一维双链结构的配位聚合物；以及由非直线形配体L3在金属离子Cu和Cd的诱导作用下发生水解，并且金属离子与水解产物——异烟酸根离子自组装，形成了三维氢键超分子化合物[Cu(C_5H_4NCOO)_2(H_2O)_2]·H_2O和三维配位聚合物{[Cd(C_5H_6NCOO)_2H_2O]·DMF}_n。

The resultant was hydrogenised to remove protective group of amino group, then the product was reacted with NaNO2 to give diazonium salt, which was conjugated with salicylic acid, hydroxybenzene, N-salicyloyl glycine acid to get azo derivatives of 4-ASA.

本文首先对4-ASA的氨基和羟基进行了选择性保护，通过氢化还原法选择性脱除氨基的保护基，然后将氢化产物制成重氮盐，通过与水杨酸、苯酚和水杨酰甘氨酸发生反应生成4-ASA的偶氮衍生物，最后在碱性条件下水解得到最终产物。

And meanwhile the hydrogenation activity of the product titanocene dichloride for SBS was evaluated.

当加氢反应温度为70℃，压力为2.0 MPa，催化剂用量为0.4 mmol ／100 g聚合物时，SBS中加氢度达到94.2％。

The results indicated that the diffusibility of AR and dissolvability of resin and asphaltene in AR were enhanced by adding HCO and LCO additives,the HDM performance of AR was improved,among which the improvement of hydrodenickel revealed a distinct advantage over hydrodevanadium;Afte...

结果表明，HCO和LCO添加剂的加入，可改善渣油在反应过程中的扩散性能，促进渣油中沥青质的溶解，从而提高渣油的HDM性能，其对加氢脱镍性能的提高更优于加氢脱钒。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。