无氮的

The measure error of circumstantialities is less than 5 percent. 2. The optimizing of circumstantialities reduces T/NH3 cost over 3 percent. 3. Hydrogen and nitrogenous eligible rate reach over 98 percent on the condition that less change of the amount. SanYuan Chincon Co., Ltd asseverate:"consumers can reimbursement if disinvestment can't be achieved in three months."

ZF—4系统属投资小，见效快的技改项目，它的技术指标有： 1、炉况测量误差小于5% 2、炉况优化降低吨氨入炉煤3%以上 3、氢氮比控制在无大加减量的情况下，合格率大于98%安徽三元公司郑重承诺：引进ZF—4系统若三个月收不回投资，用户可以退货。

This paper reviewed the progress in studies on the main non-halogen flame retardant systems for polypropylene cable insulant, emphatically introduced the development and application status of the typical flame retardants, such as organosilicon compound, nano-composite materials, metal hydroxide and phosphorus/ nitrogen intumescent flame retardant.

综述了用于无卤阻燃聚内烯电缆料的主要阻燃体系的研究进展，介绍了金属氧化物水合物体系、磷-氮膨胀型阻燃体系、有机硅复合体系和纳米复合材料阻燃体系的开发应用情况。

And number of bud per turion; however, temperature and the concentration of nitrogen and phosphorus had no effect on the germination.

对于萌发后两周内幼苗的生长、温度、溶氧有显著影响；氮和磷水平对幼苗的生长无显著效应。

Hexahydroxy N-containing heterocyclic compound without sulfur and phosphorus was synthesized and its structure was characterized.

欧阳平，陈国需，李华峰，无硫、磷的六元含氮杂环化合物用作润滑油多效添加剂的研究

Diethylthiophosphoryl chloride was synthesized by reacting phosphorus thiochloride with anhydrous alcohol in the presence of NaOH, and then a novel phosphorus-nitrogen- and sulfur-containing flame retardant, 1, 4-di(O,O-diethyl thiophosphoryl imine) benzene, was synthesized via the reaction of diethylthiophosphoryl chloride with p-phenylenediamine.

以三氯硫磷与无水乙醇在NaOH存在下合成了二乙基硫代磷酰氯，然后再与对苯二胺反应合成了新型的含磷、氮、硫的膨胀型阻燃剂：1，4-二（O，O-二乙基硫代磷酰亚胺基）苯。

A facile one-step method waspresented for the synthesis of N-fluoroalkanesulfonyl amidines 〓 inmoderate to good yield from the reaction of azides, ketones or aldehydes, andsecondary amines at room temperature.

在和无官能团取代的烯胺化合物的反应中，它发生了烷基迁移过程，而且利用该反应我们实现了由酮或醛，二级胺和叠氮一锅法合成脒类化合物〓。

Distributive characteristics of nitrogen monoxide in spinal cord suggest that adjustment on low sympathetic nerve of rats with cirrhosis is not different from that of the normal.

一氧化氮在脊髓节段的分布特性可能说明肝硬化大鼠在低级交感神经的调控上与正常无差异。

A highly effective and efficient phosphorus-free, nitrogen-free and biodegradable sequestering agents and detergency builders Polyepoxysuccinic acid was synthesized through negative ion synthesis.

以顺丁烯二酸酐为原料，通过环氧化反应和阴离子聚合的方法，合成了一种无磷、非氮、生物降解性好的环保型阻垢剂聚环氧琥珀酸。

The results showed that the species number of periphyton was the greatest in summer and the density of dominant species was the highest in summer and autumn, and the water quality was generally consistent with the tendency of the changes both in the indices of diversity and evenness. There were significant negative correlations between the contents of N and P in water, and the indices of diversity, evenness, algae density, total biomass, while CODcr and BOD5 did not show any significant relationship with these four biological indices.

研究结果显示，着生生物种类数以夏季最多，优势种密度以夏、秋季最大，多样性指数、均匀度指数的变化趋势与水质指标的监测结果基本一致；经相关性分析表明：水体中氮、磷含量分别与生物多样性指数、均匀度指数、藻类密度和总生物量四项指标呈显著负相关， CODcr、BOD5与四项生物指标均无相关性。

All patients with secondary osteoporosis caused by all endocrine diseases including Cushing's disease, hyperthyrosis, hyperparathyroidism, capsula glandulae thyroideae or thyroid hypofunction and diabetes, and patients whose bone metabolism was interfered by grave diseases were excluded. Three months before the trial, the patients did not receive any drug that could interfere the bone metabolism or affect endothelin, such as estrogenic hormone, calcitionin, nitrogen monoxidum, glucocorticoid. In addition, the patients suffering from bone fracture within 1 year or grave cardio-cerebrovascular disease, which had intimate correlation with endothelin, liver and kidney disfunction were eliminated.

所有纳入病例均排除以下患有引起继发性骨质疏松症的各种内分泌疾病者（如柯兴氏病、甲状腺功能亢进、甲状旁腺功能亢进、甲状腺囊肿或机能低下、糖尿病等）；其他严重疾病干扰骨代谢者；测试前3个月内未使用过雌激素、降钙素、一氧化氮、糖皮质激素等干扰骨代谢或对内皮素有影响作用的药品；测试前1年内无骨折；患有严重心脑血管等与内皮素水平相关密切之疾病及肝肾功能异常者。

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。