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Just bought an abstruse develop, try test-drive on quiet 3 annulus means in the middle of the night, he is leaving gladly, one runs quickly to exceed from the back greatly, when wanting to exceed, leave to go straight towards fellow greatly, extend a head to come, strong Xiaowang called:"Counterjumper, had left to run quickly greatly!"

导读:刚买了辆奥拓,半夜在清静的三环路上试试车,他正开得高兴,一辆大奔从后面超上来,要超过的时候,开大奔家伙,伸出头来,冲小王喊了一句:"伙计,开过大奔吗!刚买了辆奥拓,半夜在清静的三环路上试试车,他正开得高兴,一辆大奔从后面超上来,要超过的时候,开大奔家伙,伸出头来,冲小王喊了一句:"伙计,开过大奔吗!

The double bond in norbornene ring of TCPD was easily saturated at a low temperature, and an intermediate 12,13-dihydrotricyclopentadiene (12,13-DHTCPD) was formed. Higher temperature and hydrogen pressure were required for the saturation of remaining double bond in cyclopentene ring to generate a completely hydrogenated compound tetrahydrotricyclopentadiene.That is to say, the reaction occurred via the TCPD→12,13-DHTCPD→THTCPD route.

采用气质联用、红外光谱和核磁共振对加氢产物进行表征,发现在加氢反应中TCPD的降冰片烯双键首先被饱和,生成中间产物12,13-二氢三环戊二烯(12,13-DHTCPD),残留的环戊烯双键需要在更高的温度和氢压下反应生成四氢三环戊二烯,即反应按照TCPD→12,13-DHTCPD→THTCPD的途径进行。

Both hexanitrohexaazatricyclododecanedione and hexanitrohexaazatricyclotetradecanedifuroxan are the typical representatives of fused ring-nitroamine. 4, l0-Dinitro-2, 6, 8, 12-tetraoxadiazatetrocyclo [5.5.0.0^(5.9). 0^(3.11)] dodecane is the typical representative of cage nitroamine.

六硝基六氮杂三环十二烷二酮和六硝基六氮杂三环十四烷并双氧化呋咱是稠环硝胺化合物中的典型代表;4, 10-二硝基-2, 6, 8, 12-四氧杂-4, 10-二氮杂异伍兹烷是笼形硝胺化合物中的典型代表。

It is of great significance to carryout the study on EME of three-ring gear drive to increase the bearing capacity,minimize the volume and reduce the cost.

因此,进行三环传动弹性啮合效应的研究,对提高三环减速器的承载能力,缩小齿轮和整机尺寸,降低制造成本具有重要意义。

Terpenoids had business with the life of humanbeings. The last twenty years developments of tricyclic diterpenoids were reviewed.Biologic activities of tricyclic diterpenes which had oxygenous guoups on the 1, 2 or 3 position were reviewed. The important applications and some methods of introducing oxygenous groups on these three positions in recent 20 years were also obtained.

萜类化合物与人类生活密切相关,本文简要介绍了近二十年来三环二萜类化合物的最新研究进展,综述了在C-1、C-2、C-3号位上具有含氧官能团的三环二萜类化合物的生物活性、重要应用,并报道了近二十年来在这三个位置上引入含氧官能团的一些常见方法。

Therefore, the whole Beijing real estate supply will decline substantially "," I forget what, now down more than 6000 approved 10,000 square meters, inside the Second Ring, 9% between the second ring to the tricyclic 11%, between tricyclic tetracyclic to 11%, tetracycline 69% outside.

因此,整个北京房地产供应量将下降大大&,&我忘记了什么,现在已经降到6000多批10000多平方米,二环内, 9 %之间的第二环,以11 %的三环,四环之间三环至11 %,四环素69 %以外。

In accordance with the original thinking, the Second Ring expensive than tricyclic, tricyclic tetracyclic than expensive, but several major features in this area under the influence to subvert the original value has been fully assessed standards.

按照原来的思维,二环比三环,三环四环比昂贵,但几个主要的功能在这方面的影响下,颠覆了原来的价值已经被充分评估标准。

Procedure for the three-ring servo system PID control algorithm simulation, which tricyclic ring for position, velocity and current loop Central.

此程序为三环伺服系统的PID控制算法仿真,其中三环为位置环、速度环和电流环。

The Third Band:The Third Band, or ring, consists of exteriorized beings who know they have passed through physical death, and still retain a "belief system" relativeto "what to expect" after physical death.

第三环带:第三环带,由知道他们已经历了肉身死亡的形象化存在所组成,他们在肉身死亡后还保持着与&期待会发生什么&有关的&信念系统&。

This dissertation is concerned with the approaches to a new high density liquid fuel , tetrahydrotricyclopentadiene, which can be synthesized with dicyclopentadiene as raw materials by three steps: Diels-Alder reaction, separation and hydrogenation.

本文以双环戊二烯为原料,通过双烯加成、分离、加氢反应得到目的产物——新型高密度液体燃料四氢三环戊二烯,主要研究内容包括: 1。三环戊二烯的合成采用两种方式对TCPD的合成进行了研究:DCPD直接热聚法、DCPD与环戊二烯双烯加成法。

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