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The SiO2 gel was prepared through hydrolysis and condensation polymerization of tetraethyl orthosilicate and H2O. The gel and LaNi4.25Al0.75 powders were mixed completely and heated at 500 ℃ for 2 h to obtain samples.

摘 要：以正硅酸乙酯为原料，采用溶胶凝胶法制备多孔SiO2凝胶，将LaNi4.25Al0.75合金粉与凝胶混合在500℃进行真空烧结。

When the relaxing speed of oversaturation increased to be equal to the growing speed,crystal process changed to the chemical reaction region controlled by Mo8O4-26 polymerization.In this region,the linear rate of growing speed and oversaturation were stable.

当过饱和消除速度增大到与生成速度相等时，过程转变为由Mo8O4-26聚合反应控制的化学反应区域，此区域和ΔC处于稳定不变的状态。

Considering the low morphological stability of dye-doped polymer thin film and based on the above multi-chromophoric organic small molecules, six novel copolymers have been synthesized by the co-polymerization, in which there are three functions: 1, 8-naphthalimide as emitting moiety, oxadiazole as electron transporting moiety, and N-vinyl carbazole as hole transporting moiety.

考虑到有机小分子掺杂到聚合物膜中低的形态稳定性，我们在上面多发色团有机小分子研究的基础上，通过自由基引发共聚合成了六个新型的共聚物。在该类共聚物的侧链上含有三个功能团：1，8-萘酰亚胺单元、噁二唑单元和N-乙烯基咔唑单元。

The Syntheses of a High Temperature Gellant in Acid Stimulation Using Invert Emulsion Polymerization;2. Aiming at the special oxidizability of NTO,three different gellant s were chosen which could form gel with NTO,and their rheologic properties were studied.

针对四氧化二氮的特殊氧化性，筛选了三种不同胶凝剂与NTO形成凝胶，对其流变性能进行研究，并结合发动机试验、限流圈试验、发动机头部液流试验，验证了其与偏二甲肼凝胶组成的双组元推进剂用于凝胶发动机试验的可行性。

As to butylene oxide and secondary oxonium ion the barrier was determined to be 92.672kJ/mol.The reaction between oxonium ion and water in the polymerization of THF was investigated too.

结果表明，与四氢呋喃单体相比，水更容易与氧鎓离子发生反应，因此可以用水作为中止剂，来控制聚合产物的分子量。

Acrylic resin containing N,N-dimethyl amino group and vinyl group applicable for UV-curable and cathodic electrophoretic paint was synthesized via radical polymerization of acrylic monomers followed by modification with methacrylic oxyethyl isocyanate.

通过自由基共聚合得到丙烯酸树脂，然后用甲基丙烯酸异氰酸乙酯对其改性，合成了既带有N，N-二甲胺基，又带有乙烯基的紫外光固化阴极电泳漆基体树脂。

Pectic oligosaccarides produced by microwave and autoclave extraction were observed with higher degrees of polymerization than those by an ultrafiltration membrane enzyme reactor.

用微波和高压提取的方法提取的果胶低聚糖比用超滤膜酶反应器的提取的具有更高的聚合度。

The results showed that concentration of pentaerythritol and polymerization time play a key role on molecular weight of PET-PLLA.

结果表明，醇的加入量和聚合时间对PET-PLLA分子量大小起决定性作用。

A series of rosin pentaerythritol ester polyoxylethylene ether with different polymerization degree of epoxy ethane were synthesized.

合成了不同聚合度的松香季戊四醇酯聚氧乙烯醚。

Subsequently,the microencapsulated red phosphorus has been successfully prepared by in-situ polymerization using potassium persulphate as initiator.

以过硫酸钾为催化剂，采用原位聚合法制备了微胶囊红磷。

It seems likely that Kraft will return with a better offer.

看起来卡夫要重新考虑一个更好的出价了。

But he'd rather burn off my feelers and watch me squirm.

可他却放任那个家伙对我为所欲为！