碳化

Good quality and complete specifications relay on our production technique,i,e.automatic cold forging and forming,thread rolling and TXG heat treating.Our products can be made with different surface heat handling like Nigrescene,Zincification,Copperize,Nickel.

公司产品品质优良，规格尺寸齐全，生产技术包括自动化冷锻打造成型，轮锻辗牙及全自动TXG黑化热处理等优良技术，产品表面处理现有发黑、镀锌、镀铜、镀镍、渗碳等。

Chemical experiments and carbon nuclear magnetic resonance studies showed that there were two addition manners,l,2-and l,4-additions when α-butenal,as an unsaturated aldehyde,conducted an acetalization reaction with polyvinyl alcohol.

化学分析法及碳核磁共振研究表明，作为不饱和醛的α-丁烯醛与聚乙烯醇在水溶液中进行缩醛化时存在着 1，2-加成与1，4-加成两种反应方式。

Using the methodology of radical cyclizations of α-acylamino radicals with acylsilanes to construct pyrrolizidine, indolizidine and quinolizidine skeletons, we were able to synthesize-Lentiginosine,-Epiquinamide,-Swainsonine and other analogous alkaloids.

本论文是延续实验室利用α-醯胺基碳自由基与矽基酮的环化反应来合成吡咯叻咭啶、吲哚叻咭啶和喹叺叻咭啶等骨架的方法，进而企图合成出-Lentiginosine、-Epiquinamide、-Swainsonine及其它类似的生物碱。

The carbon-bearing pellet s made of zinc-bearing dust and sludge,iron concentrates and additive of agglomerant were reduced at 1 000~1 200 °C,the effects of different kinds of additive and reduction temperature on the strength and metallization rate of carbon-bearing pellet s were studied.

将含锌尘泥、铁精矿及粘结剂混合造成的含碳球团在1050~1250℃条件下还原，研究了不同粘结剂、不同温度对其强度及金属化率的影响。

Especially the alloyage technics reatly improved the heat conducting function of cooling wall.

尤其是冷却水管的合金化处理技术，在保证防渗碳效果及微量间隙的同时，使冷却壁整体热阻降低了50%以上，极大地提高了冷却壁的导热性能

Enzymes of glycolysis (hexokinase,lactate dehydrogenase,aldolase) showed low activities during overwintering when more carbon flowing into treh alose synthesis.

越冬期间体内糖原磷酸化酶活性明显地增加，糖酵解有关的酶（己糖激酶、乳酸脱氢酶和醛缩酶）活性较低，以保证更多的碳源转化成海藻糖。

The effects of high-energy ball milling Including the fining and mechanochemical on the carbothermal reduction nitridation of alumine were investigated.

研究了高能球磨氧化铝的细化和机械力化学作用及球磨对碳热还原反应合成氮化铝的影响。

Using metal Al and TiO2 powders as starting materials TiN/Al2O3 composite ceramics were prepared by aluminothermic reduction of TiO2 in coke bed and a flowing nitrogen stream.

以金属铝粉和钛白粉为原料，在流动氮气和匣钵埋碳保护气氛下采用铝热还原氮化法制备了TiN/刚玉复合陶瓷。

SiO vapor is an important precursor for both carbonthermic and aluminothermic reactions. The rate-controlling step is the reaction in which SiO〓 is reduced to form SiO .

研究发现，无论碳热还原或铝热还原，SiO气体是重要的中间产物，SiO〓还原为SiO的反应是整个还原氮化过程的速度控制步骤。

A preliminary study also showed the free arachidonic acid could be incorporated into the active fraction of conditioned medium.

初步的实验也告诉我们自由的二十碳四烯酸能被颗粒细胞溶入於状况化培养液中之活性成分中。

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。