二聚的

Acenaphthenone was prepared by the oxidation of acenaphthene in the presence of chromic anhydride , acetic acid and polyethylene glycol as a phase transfer catalyst under mild reaction conditions with high yields.

研究了在铬酸酐、冰醋酸和相转移催化剂聚乙二醇存在下苊的氧化反应，较温和的条件可高产率地得到苊酮。

However, the apparent frequency factor of curing increases with the increase of the catalyst , being one order of magnitude higher with 0.6 % catalyst than without.

在空气中增高温度时其侧基破坏分为二个阶段，即甲基比苯基先破坏。当引入聚铝苯基硅氧烷作为硅树脂固化催化剂，可提高其甲基的起始分解温度，同时降低苯基的起始分解温度。

Ant clustering algorithm is to project the original data into bidimensional output grid and position that are similar to each other in their original space of attributes.

蚂蚁聚类算法项目输出到纯二维网格和立场，即在其原有的空间属性彼此相似的原始数据。

Effects of poly content, polymerization time on intrinsic viscosity and yield of PELA had been discussed.

考察了聚乙二醇浓度、聚合时间对共聚物特性粘度和收率的影响。

Objective: To investigate the change of PARP positive cells in hippocampus at different time after traumatic brain injury.

目的：观察大鼠创伤性脑损伤后海马部位不同时相聚二磷酸腺苷核糖多聚酶阳性细胞的表达变化。

The application of liquid isoprene rubber partly replacing NR by equal weight in bead filler of PC tire was investigated.

研究液体聚异戊二烯橡胶等量部分替代NR在轿车轮胎三角胶中的应用效果。

The reactivity ratios of tetrafluoroethylene and pefluoro-3,6-dioxa-4-methyl-D7-octylsulfonyl fluoride in solution copolymn.

本文报导了四氟乙烯与全氟-3，6-二氧杂-4-甲基-Δ^7-辛基磺酰氟溶液共聚反应单体竞聚率的测定。

However, when the ageing temperature increased to30℃ and the polymerisation performed at 60℃, some traces of polydicyclopentadienewere obtained.

然而，当陈化温度升到30℃，聚合过程在50℃下进行，可以得到痕量的聚双环戊二烯。

De novo combination therapy with peginterferon and nucleoside analogues should also be studied I think.

对于聚乙二醇干扰素与核苷类似物的联合初始治疗也是需要进一步研究。

Using a binary tree data structure, attributes means clustering alg...

采用二叉树数据结构，属性均值聚类算法在图象识别中的应用。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。