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Based on the multi-body dynamics and virtual prototyping technology,using the software ADAMS,which include two states: straight line and swerving,it was pointed out that crosswinds had great effect on vehicle steering stability and safety.

分别在有无阵风作用的情况下,以多体动力学为理论基础,采用虚拟样机技术,用ADAMS软件进行了汽车的直线行驶及转向行驶能力的分析,指出侧风对汽车操纵稳定性的影响将直接影响到汽车的高速行驶安全性。

Leaves often on upper stems or branches, glabrous; stipules deciduous, ovate, very small; petiole 1.5-12 mm; leaf blade narrowly oblong, elliptic, or oblanceolate to oblong-lanceolate, 8-20 × 2.2-4.5 cm, membranous or herbaceous, lateral veins 5-8 pairs, base attenuate or narrowly cuneate, margin crenate-serrate or undulate distally, apex acuminate; cystoliths slightly conspicuous or inconspicuous.

叶通常在上面茎或分枝上,无毛;托叶脱落,卵形,很小;叶柄1.5-12毫米;叶片狭长圆形,椭圆形,或倒披针形到长圆状披针形, 8-20 * 2.2-4.5 上部的厘米,膜质或草质,侧脉5-8 对,基部渐狭或狭楔形,边缘具圆齿有锯齿或波状,先端渐尖;钟乳体稍明显或不明显。

However, the synthesis of circular nanostructures remains challenging due in large part to the difficulty in preparing functionalized cyclic polymers.4 Furthermore, reliance on macrocyclization routes to cyclic polymers restricts attachment of large side chains or dendrons to postpolymerization, and an efficient route to cyclic hybrid architectures of high purity is yet to be realized.

然而,由于合成功能化环状聚合物的难度很大,使得环状纳米结构的合成具有挑战性。4 另外,依赖于大环环合路线的环状聚合物受限于无法在后聚合过程中增加大型侧链或枝状体,同时目前也缺乏一种有效地获得高纯度环状混合结构的方法。

Alkylation of C6D6 with 1-dodecene using Br-ALCl3 as a catalyst was firstly carried out. Molecular structures of products, dodecylbenzene isomers, were analyzed by GC-MS and NMR, and the deuterated atom in the dodecylbenzenes was verified to be connected with 1-carbon of the side chain.

首先进行了Br-AlCl3催化氘代苯与1-十二烯烃的反应,通过GC-MS及NMR分析产物十二烷基苯同分异构体的结构,验证了氘原子与产物侧链1-位碳相连的结论。

In this paper, experimental researches and computer simulations are presented on dynamics behaviors of free-free tubes laterally impacted by flat-nosed cylindrical missiles at the middle of their spans.

本文主要对自由圆管在其中心部位经受刚性、平头弹体侧向冲击时的动力学行为进行了实验研究和计算机仿真。

What side of the unit frame to position the bar at.

&=&将计量条所定位于单位框体的侧边位置。

The Unified Tire Model for combined slip considering the anisotropy of slip stiffness and friction coefficient is established in chapter three. A more general tire model considering the complex deformation of tire carcass is presented as well.

第三章推导了考虑轮胎纵滑、侧偏刚度明显不同以及摩擦系数各向异性时的联合工况下的统一模型,并给出了考虑胎体复杂变形的更一般情况下的轮胎模型。

The results indicate that when soil and pile are same, the shear stresses between pile and soil under the ultimate situations of different modes are different; the negative friction on pile induced by surcharge is maximum; and the negative friction of uplift pile is minimum; the friction of pile top induced by pressing pile and bottom-loaded pile is between them.

结果表明,同种土体和桩体条件下,各种模式达到极限状态时桩-土间剪切应力不同,堆载作用下负摩擦力值最大,抗拔桩负摩阻力值最小,桩顶受压桩、托桩的摩阻力值介于其间;桩材泊松比在0.15~0.35范围内时,桩侧摩阻力随泊松比的增大而增大。

At the end of Mingshui Formation, hydrocarbon generated by Qingshankou source rocks migrates down along open boundary faults of concentrated ribbons at the force of overpressure,then short lateral-migration along channel sand, finally accumulated on horsts and fault terraces of the uplifted side of both sides,but in the intensive fault zone,most of the units are grabens,so it is not good for accumulation.

明水组末期青山口组源岩生成的油气在超压作用下,沿开启的断层密集带边界断层幕式下排后通过河道砂体短距离侧向运移,在两侧上升盘地垒或断阶圈闭中聚集成藏;而断层密集带内多为地堑式组合,不利于油气聚集;在成藏模式指导下刻画出47个油气富集目标区,预测石油地质储量0.5 亿t。

Objective To study a method for treating the ingrowing nail by using a nail fold skin flap to reˉconstruct the nail groove.

目的 研究一种利用甲侧襞皮瓣改变甲体与甲沟的位置结构,从而彻底治愈嵌甲的手术方法。

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I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像,后来回台湾,甚至去年在北京,居然也四处看见她的海报,才惊讶她的魅力之大。

Ah may dee:You are chinese living in a democratic country.

你是居住在民主国家的中国人吧。