乙烯的

In addition, the mechanism of reaction and the selection of the reagents have also been investigated.

最后，在充分考虑实验影响因素的情况下对以二乙烯三胺为主的混合溶剂热中晶体形貌形成的机理进行了初步探讨。

With methanol as solvent and NaOH as catalyst,the influence of the concentration of NaOH ,reaction temperature and reaction time to the alcoholysis of polyvinyl acetate is studied by the homogeneous design procedure.

使用均匀设计法研究了甲醇作为溶剂，氢氧化钠作为催化剂时，聚醋酸乙烯酯醇解反应中碱的物质的量比、反应温度和反应时间对聚乙烯醇醇解度的影响。

The experimental and theoretical work on high pressure phase equilibria of the Benzene-Ethylene Alkylation system are undertaken at first.

本文首先通过实验测定与理论计算，得到了苯与乙烯反应系统的高压流体相平衡，确定了近临界区的大致范围，并结合反应系统，提出了操作上值得注意的因素。

At present, the design of new and good photochromic properties of the aryl vinyl compounds is still research in the field of hot spots.

目前， 设计合成新的具有良好光致变色性能的二芳基乙烯类化合物仍然是该领域的研究热点之一。

Light grade - paper backed vinyls, wide width and narrow width, to all surfaces except old painted surfaces.

轻度- 裱糊支持的乙烯基，宽宽度和狭窄的宽度，对所有表面除了旧涂面的表面。

We use only the finest quality, top grain hides available. No inferior split grain leathers or vinyls are ever used.

我们只选用上等品质顶级的头层皮革，从不使用等级略次的二层皮革或乙烯基材料皮革。

Field proven designs, state of the art servo drives and PLC controls allow Rosenthal sheet handling equipment to stack virtually anything—from nonwovens to plastics, paper and pressure sensitive vinyls to even light gauge films and cloth.

经过实地验证的设计，最先进的伺服驱动器和PLC控制使该处理设备几乎能够堆垛任何东西——从非织造布到塑料、纸张、压力敏感氯乙烯，甚至到轻质薄膜和布。

Solid hardwood floors will require 4-5 refinishings and carpets and vinyls will need to be replaced at least twice, while laminates don't require anything.In conclusion, kids playing with their toys on the floor, the dog running through with dirty paws, friends walking with wet shoes on it, or baby bottle spills all over it won't be a problem with laminate flooring.

将需要坚实硬木地板、地毯和乙烯基refinishings四月五日将需要至少两次更换虽然层板不需要anything.in结论，小孩玩的玩具放在地上狗横贯不洁马前卒，朋友湿鞋走路的，婴儿奶瓶或溢漏各地用不了一个问题地板。

The influence of ethylene on LOX activity was mainly at the early storage, and had same effect on both'Fuji'and'Golden Delicious'apple.

说明LOX对乙烯和低温表现不同的应答模式，可能对果实早期的软化作用更明显。

Bis-silylhydrides were prepared by nickel-catalyzed olefination of the corresponding aryl dithioacetals with Grignard reagent followed by LAH reduction.

镍催化双硫缩醛化合物与格林纳试剂偶合反应可以方便的得到乙烯基矽基醚，再经由LAH还原反应，得到相对应的矽基氢化合物。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。