查询词典 PECH

Using the method of tosylation, tosylate terminated epichlorohydrin polymer as intermediate was synthesized by PECH and 4-toluenesulfonylzchloride in pyridine,azido terminated glycidyl azide polymer was obtained by the reaction of intermediate and sodium azide.

采用磺酸酯法，首先PECH与对甲苯磺酰氯在吡啶介质中反应形成端磺酸酯基氯化聚醚中间体，然后中间体经叠氮化作用形成端基为叠氮基的叠氮缩水甘油醚聚合物。

The shadow of a US Army soldier of Task Force Lethal with the 2-12 Infantry is cast on a mud wall as he helps clear an area used recently as a firing position by Taliban militants during a patrol in the Pech Valley Kunar province northeastern Afghanistan Sunday Jan.

AP / Brennan Linsley 一名美国陆军士兵致死工作队与2-12步兵阴影，投在土墙中，他邦助在佩赫谷，库纳尔省巡逻明确了作为被塔利班武装人员近来领域地地位，，阿富汗东北部，星期日，1月24日。

US soldier PV2 John MacIntosh takes cover in farm field and scans the ridge line as Taliban fighters ambush US soldiers from the 2nd Battalion, 12th Infantry Regiment, 4th Brigade Combat Team, 4th Infantry Division during a patrol in the Pech Valley of Afghanistan's Kunar province on Tuesday, Nov.

美军士兵PV2约翰麦金托什需要覆盖农田和扫描，塔利班从第二营伏击美军士兵脊线，第12步兵团，第4旅战斗队，在第四步兵师在阿富汗库纳尔省佩赫山谷巡逻星期二，09年11月3号。

That snake Alaric named Archbishop...

庇护。。。那个毒如蛇蝎的Alaric被命名为大教主。。。

You have done lots of magical things to be amazed at.

你做了很多神奇的事物感到惊讶。