不含氮的

Larvae survived and grew very well on foliage of Catharanthus roseus L.; but all larvae died when fed foliage of Allamanda cathartica L.; Chemical analysis also revealed that foliar nitrogen content differed significantly among plant species.

化学分析也发现植物化学物质的含量在这三种植物之间相差很显著，尤其是含氮量，在三种树叶上的含量都不一样。

In my opinion, Cu complexes with unsaturated alcohol to form a complex compound; the nitrogenous compound introduced serves as the complex compound's stabilizing agent and reduces activation energy of reaction; TMPO serves as oxygen carrier and displays it's selective oxidation function. This new method and mechanism also demonstrates significance to other similar organic reactions.3 In the chlorohydrin reaction, NaCIO is replaced by Ca2see Chapter4.4.3.4(2 .A, this method hasn't been reported in previous literature,which exerts more buffer action to the react system, the yield increased from 52% to 88.6%; at the same time it solve the problem of poor stability and low percentage composition of NaCIO.

认为：CuD与烯醇形成络合物：含氮有机物的引入起到稳定络合物，降低活化能的作用：而TMPO则充当携氧子起传递氧的作用，并具有选择氧化功能：这种新的方法和理论对类似的反应(不饱和醇类在络合体系下选择性催化氧化为对应的醛也具有重要的指导作用。3在异戊二烯的氯醇化反应中，用次氯酸钙代替次氯酸钠见第4章4.3.4(2.A，本方法未见文献报道，使反应系统更加温和，收率由52%提高到88.6%：并解决了次氯酸钠稳定性差、有效氯含量低的实际问题，具有重要的实用意义。

This lamp is environmentally friendly. As a full-solid luminous body without the elements like hydrargyrum and sodium that are harmful to health, the shock-resistant and unbreakable LED can be recovered after disposal and will not cause pollution. By reducing

绿色环保，LED为全固态发光体，不含汞、钠元素等可能危害健康的物质，废弃可回收、没有污染，减少大量二氧化硫及氮化物等有害气体及二氧化碳等温室气体的产生，改善人们生活工作环境。

The proteins caused haze in the beer during storage. C-I type of silica hydrogel produced in specific method was suitable to stabilizing beer and noneffective on other constituents and the character of the beer.

试验筛选出适用于啤酒的，经特定制备方法制得的C-Ⅰ型硅凝胶，其对啤酒中高分子含氮物质具有较强的选择性吸附作用，可有效地提高啤酒的非生物稳定性，且不改变啤酒的其它纽分和外观质量。

The results show that the penetrability of powder loads can be improved when suitably reducing bulk density and grain size of gun propellant, increasing nitrogen content of NC and choosing oblate spheroid explosive respectively under the constant test con

结果表明，在其它试验条件不变的条件下，适当降低发射药堆积密度、适当提高发射药中硝化棉含氮量、选用恒面燃烧的扁型药、降低发射药粒度均有利于提高射钉的穿透能力。

It was found that the binaphthyl backbone of S configuration was matched to the S, S pyrrolidino group. In this case, the asymmetric allylation product could be obtained in 85. 6% ee.

轴手性是S构型时，和中心手性S，S构型相匹配，它和钯形成的络合物在催化烯丙基取代反应时，取得了比不含中心手性因素的吡咯烷基氮膦配体高得多的对映选择性，可以得到85.6％ee值的产物。

The crafts and technique standards of every working procedure is exactly executed by foreign advanced engineers; all production equipments adopted most advanced equipment of international and domestic and have achieved the international level; the yarn all spun from cotton of Egypt and India; all the main dying chemical materials come from abroad and not contain azobenzol.

每个工序都有外籍高级工程师控制生产工艺、技术标准的准确执行；全部采用国际、国内最先进的生产设备，公司整体机械配置达到国际先进水平；棉纱全部使用埃及、印度棉花纺制，主要染化料全部进口，不含偶氮材料。

The brand name has since been changed to Ilfochrome Classic. The print consists of polyester sheet material coated with highly fade-resistant Azo color dyes, and has a distinct look. Unlike regular color prints, which chemically create the dyes during processing, Cibachrome material contains all the dyes initially, then bleaches out the unwanted dyes during processing, leaving only the exposed color image in the completed print.

印刷材料由涂着高度防退色的含氮染料的聚酯片材组成，不同于普通的彩色印相——在印相过程中以化学方法来制造染料， cibachrome 材料从最初就包含所有染料，然后在印相的过程中漂去无用的染料，只剩下适当曝光的颜色来完成印制。

Is the national professional full-scale production of various high-quality yarn and finished products line, using domestic raw materials of yarn production of the famous single-wire, and imports of raw materials used single-wire the United States and Taiwan DuPont Nylon from the single-Sijia, Guangzhou is now the textile products through product quality supervision and inspection center testing, our product is non-AZO azo elements.

顺欣线业有限公司是国内专业全面生产各种高品质纱线和成品线，国产线纱原料采用国内知名企业生产的单丝；进口原料采用美国杜邦单丝和台湾耐隆单丝加工而成，产品现已通过广州纺织产品质量监督检测中心测试，我们的产品不含AZO偶氮元素。

And LED is free of infrared ray and ultraviolet radiation pollution.

LED采用的发光材料氮化镓本身不含汞、铅等有害物质，无红外线和紫外线污染

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷