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与 氮化的 相关的网络例句 [注:此内容来源于网络,仅供参考]

Nitrogen trifluoride (NF3) is a toxic, colorless, odorless , nonflammable, oxidizing compressed gas.

三氟化氮(NF3)是有毒、无色、无嗅、不可燃的氧化性压缩气体。

The plant community composition changed and the community coverage increased over the wetland succession from primary swamp, through swampy meadow, to meadow. The number of associated species increased, while the dominant species abundances decreased. Through succession, the content of soil organic matter and total nitrogen declined. In contrast, the soil enzyme activity of catalase, protease and invertase increased; however urase declined.

随着湿地原生沼泽向沼泽化草甸、草甸的演替,湿地植物群落盖度增加、物种组成增多,群落优势种优势度减小,伴生种数量增加,植物多样性呈增加趋势;湿地土壤有机质、全氮含量不断减少,过氧化氢酶、蛋白酶、蔗糖酶活性增加,脲酶活性降低。

The palladium-catalyzed allylation is a powerful tool for C-C, C-N, and C-O bond formation, which has been widely applied to organic chemistry.

而利用金属钯当作催化剂来进行烯丙基化反应,形成碳-碳键,碳-氮键和碳-氧键,在有机化学中是很广泛的合成方法。

The complexation of SCnA also results in a bathochromic shift and a decrease in optic intensity of the absorption spectrum of DS.

在水溶液中磺化杯芳烃可与二苯胺重氮盐形成包结物,导致DS的化学位移向高场移动,同时使其吸收光谱红移,强度下降。

In the presence of CPB, the chromogenic reaction of V with DPCO has been studied.

研究在溴化十六烷基吡啶存在下,钒与二苯偶氮羰酰肼显色反应的分析特性。

114 cases ulcerative colonitis from jan. 2005 to dec. 2008 in our hospital were divided into two groups. 63 cases in treatment group were given herbal decotion, 51 cases in control group were given sulfasalazine orally with succinic acid hydrogenation cortisone edema.

选择2005年1月至2008年12月来我院就诊的溃疡性结肠炎患者114例,随机分为两组,治疗组63例服用自拟中药汤剂治疗;对照组51例采用柳氮磺胺吡啶口服,琥珀酸氢化可的松灌肠。

5-Azacytidine could effectively enhance RASSF1A gene demethylation and enhance the expression of RASSF1A mRNA and inhibit cell growth.

特异性甲基转移酶抑制剂5-氮杂胞苷能较好地逆转Bcap-37细胞RASSF1A基因异常甲基化,诱导RASSF1A基因的表达,从而抑制肿瘤细胞生长。

Nitroarenes can be reduced by samarium diiodide to afford a nitrogen anion,which is a living species and can be acylated by relatively weaker acylating ester agents.

二碘化钐(SmI2)在四氢呋喃溶剂中还原硝基化合物,可以生成氮负离子中间体,该中间体具有较高的反应活性。

The absorbing rate of soil mineralizable N increased greatly after the elongation stage, it was assumed that the rice had a fertilizer deficiency phenomenon during the later period. Therefore,application of booting fertilizer should be recommended.

本试验条件下,水稻于拔节后对土壤矿化氮的吸收数量明显增加,似有脱肥现象,因此,应提倡追施孕穗肥。

It was reported that about 86% of DNA hypermethylation is detected in acute myelogenous leukemia.

目前国际上研究较多的去甲基化药物是5-杂氮-2-脱氧胞嘧啶(5—aza—CdR)。

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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。

A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.

付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。