氮的

The other is caused by plantyellow leaves, characterized by first of all, the lower part of the old leaves chlorotic plants, such as wheatperformancesmall, short narrow leaves, old leaves the lower part of the first yellow.

另一种是植物缺氮引起的叶片发黄，其特征首先是植株下部的老叶褪绿，如小麦缺氮表现为麦苗矮小，叶片短窄，下部老叶首先发黄。

OBJECTIVE To study the effects of coadministration of clozapine and fluvoxamine versus clozapine monotherapy on the metabolism and investigate the mechanism of clozapine' hyperglycemia in the male C57BL/6 mice.

一、目的通过研究不同剂量氯氮平单用或者与氟伏沙明合用对C57BL/6雄性小鼠代谢的影响，探讨氯氮平影响血糖的机制。

Denitrify condition of strain Mc32 was optimized through orthogonal design experiment, and denitrogenation rate of post-optimized strain was 74 %. Several passages experiment indicated that genetic stability of the strain was better.

采用正交设计实验优化Mc32菌株的脱氮条件，优化后的菌株脱氮率达到74 %，多次传代实验表明该菌株遗传稳定性较好。

In the third part of this paper, a facile method is presented for synthesis of malonaldehyde dianil from propargyl alcohol by oxidizing using chromium trioxide and addition reaction with aniline.

对肼基苯磺酸是由对氨基苯磺酸经亚硝酸钠重氮化得到的重氮盐用亚硫酸氢钠还原、水解、硫酸酸化制得，本文经多次实验确定了反应原料、用量及反应条件，得到的产品纯度好，产率高。

Two monomers,bispmpargyl ether of bisphenol-Aand 4,4'-biphenyl dibenzyl azide were synthesized and characterized with FT-IR,1H-NMR and elementary analysis.

合成了两种单体双酚A二炔丙基醚与4，4′-联苯二苄叠氮，研究了一种新的低温聚合体系——双酚A二炔丙基醚与4，4′-联苯二苄叠氮在烘箱中的本体聚合行为。

The results show that:(1) When Cu〓 equatorially coordinated by four nitrogen atoms from amine ligands such as ethylenediamine, N-methylethylenediamine, 1, 2-diaminopropane and 1, 4, 8, 11-tetraazacyclotetradecane, etc., Cu〓 could be axially coordinated by oxygen atoms of-SO〓 group.

研究结果表明：（1）当Cu〓在赤道平面与来自胺配体（如乙二胺、N-甲基乙二胺、1，2-丙二胺和1，4，8，11-四氮杂环十四癸烷等）的四个氮原子配位后，在轴向则可以与来自磺酸根离子的-SO〓基团氧原子配位。

First azido deoxythymidine and 2 deoxy-inosine, deoxycytidine represented by two opened a prelude to the life-and-death struggle, but their toxic side effects, but also easy to produce drug resistance, especially azido deoxythymidine There are bone marrow suppression, leukopenia, with a total reduction in the number of lymphocytes and macrophages, such as reaction erythroblastic anemia.

首先以叠氮脱氧胸苷与二脱氧肌苷、二脱氧胞苷为代表揭开了这场殊死搏斗的序幕，可惜它们的毒副作用较大，又易产生抗药性，特别是叠氮脱氧胸苷还有骨髓抑制、白细胞下降、总淋巴细胞数减少及巨幼红细胞贫血等反应。

Aside, the heightener of ammonia-nitrogen removal follows ammonia-nitrogen original concentration.

另外，氨氮去除率随着初始氨氮浓度的增大有明显的提高。

Pulsed power supply has anumber of advantages such as energy saving by about 30%,restraining are discharge re-liably,repressing the dffect of the hollow cathode,improving the homogene...

脉冲电源能可靠迅速灭弧，散弧清洗速度快，能够消除或减弱空心阴极效应，解决了具有深孔或沟槽的复杂零部件和齿轮根部的氮化难题，易于选择最佳工艺参数，提高氮化质量，并比直流电源节约电能30％左右。

Spatial distribution of the soil organic matter content was uniform overall in the county, but total nitrogen, hydrolyzable nitrogen, available phosphorus and potassium concentration distributed as zone or lump styles.

全县2000年耕地土壤机质含量的空间分布较为均一，全氮、水解氮、速效磷和速效钾含量各级别间的空间分布以块状或带状分布为主。

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。