单口的

Latest advances in studies on mechanisms for hydroisomerizaton of n-alkane over bifunctional catalysts supported on zeolites,including monomolecular and bimolecular reaction mechanisms, pore mouth mechanism and key-lock mechanisms,were reviewed.

综述了近年来正构烷烃在分子筛为载体的双功能催化剂上加氢异构化反应机理的研究进展，介绍了单分子机理、双分子机理、孔口机理及锁匙机理，并展望了反应机理在制备新型催化剂领域的应用前景。

Adopting the conformal mapping or rotation axis etc complex methods which areoften used to treat with the hole or cavity problem,a two-dimensional cavity ofeither simply or multiply connected region is projected into the interior of acircle or an annulus.As well as the global coordinate system is turned into thelocal coordinate system.

采用处理孔口问题最常用的映射函数和移轴等复变函数方法，把复杂的单连通区域和某些复连通区域型二维孔洞转化为简单的单位圆内区域或圆环区域，把整体坐标转为局域曲线坐标，而，最终把问题简化归结为一组无穷代数方程组的求解问题。

A 2-port S-parameter measurement with the center-tap grounded is used to extract the equivalent resistance,inductance,and Q-factor.

提出了中心抽头差分电感的中心抽头等效模型，对其差分应用时的单端和差分阻抗进行推导，利用两端口S参数测试提取出等效电阻值、等效电感值和品质因数。

Using the coil with low resistance and magnetic-core with high magnetic conductivity in the transformer and inductor to reduce the power loss and increase the efficiency.The elements and structures of some functional unit of power amplifier are analyzed.

然后从双端口网络的散射矩阵和功率传输增益函数入手，对常用的单、双谐振点匹配技术和原始实频法进行了论述，给出了原始实频法的计算机实现过程以及设计中的注意事项。

A former gravedigger has built a 100mph single-seater car using a 7ft-long steel coffin for the body.

英国一掘墓人用一口7英尺(约2.1米)长的钢制棺材改装成一辆时速100英里(约160公里)的单座汽车。

We often sat by the pool sipping on a Tom Collins my favourite from the extensive list!

我们经常坐在泳池边，小口吸着Tom Clooins是丰富的酒水饮料单上我最喜欢的一种！

All we have to do is call the appropriate Viewport setup function depending on whether we are in dual or single mode

所有我们所要做的就是调用适当的视口设置功能，我们是否在不同的单或双模式

WT5BZThe comparative experimental study on the single detonation wave of an ethyne air mixture under various conditions was made.

选取爆震室的三种不同工作状态，采用乙炔与空气混合气对单次爆震波进行了对比实验研究，研究了爆震室的封闭程度对爆震波产生的影响规律，发现在爆震室完全封闭状态下，能产生充分发展的爆震波；爆震室一端封闭、另一端敞口状态下爆震强度明显下

The structure brief introduction the dense thick liquid pump of one stud of i-1b s series is formed by four parts electromotor , shaft coupling , pump and bases motive force joining in marriage usefulness uses y s series asynchronous electromotor of three-phase the shaft coupling uses the water pump with the paw mould elasticity shaft coupling the pump by the pump shell , become hollow inside axle and universal twists joints and winds axle , stud , bush and axle seal and package places and goes out the material mouth etc and forms , and the section of stud is the oval for round and bush section , and his interior surface is the duplexing spirals faces .

结构简介 i-1b系列单螺杆浓浆泵由电动机、联轴器、泵和底座四个部分组成。配用的动力采用y系列三相异步电动机。联轴器采用水泵用爪型弹性联轴器。泵由泵壳、空心轴、万向绞接头、绕轴、螺杆、衬套、轴封装置和出料口等组成，螺杆的断面为圆形、衬套断面为椭圆形，其内表面为双螺旋面。

Unearthed pottery including various types of li , jar, basin, yan and few flat ewers from mid or late Taosi period. The cultural context is similar to Longshan period.

出土陶器主要有肥足双鋬鬲、瘦体双鋬鬲、单把鬲、斝、釜灶、大口罐、高领折肩罐、圈足罐、盆、甑yan、杯和少量的扁壶等，年代皆不出陶寺中晚期的范畴，文化面貌也与龙山时代陶寺类型接近。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。