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- From a property of the triangle a vector expression is deduced with two practical corollaries. Here two proofs are presented. 摘要从三角形的一个性质中得出三质点质心满足的一个向量表达式,并得到两个有实用价值的推论,同时对上一性质给出两个简洁的证明。
- From a property of the triangle a vector expression is deduced with two practical corollaries.Here two proofs are presented. 从三角形的一个性质中得出三质点质心满足的一个向量表达式,并得到两个有实用价值的推论,同时对上一性质给出两个简洁的证明。
- Axis Of Rotation: vector expressed in a given referential. :给定参数的向量来定义轴向。
- Based on the nonparaxial vector Rayleigh-Sommerfeld far-field diffraction integral formula, a vector expression for describing the far field of a semiconductor laser is proposed. 研究发现:在傍轴区域标量表达式不会引起太大的误差;
- Recombinant retroviral vector expressing antisense ANG can efficiently inhibit ANG expression in A549 cell in vitro,providing the basis for further study in vivo. 利用反义血管生成素的逆转录病毒载体能够有效抑制培养细胞血管生成素的表达 ,为今后的体内应用奠定了基础。
- Objective To construct recombinant retroviral vector expressing antisense ANG and transfect it into the human lung cancer cell line A549 to inhibit the expression of ANG. 目的 构建含反义人血管生成素的真核表达载体 ,并转染人肺癌细胞株A5 4 9,使之特异性地封闭A5 4 9细胞中血管生成素的表达 ,以达到抑制肿瘤生长的目的。
- M ethod The pre established vector expressing mbHSP70 was transfected into CT26 c ells of colorectal cancer. 方法以膜表达HSP70的真核表达载体pDisplay-mbHSP70转染肠癌细胞株CT26。
- After A549 was infected by recombinant retroviral vector expressing antisense ANG,ANG protein level decreased greatly. 构建出含反义血管生成素的逆转录病毒载体 ,感染A5 4 9细胞后 ,能有效抑制A5 4 9细胞血管生成素蛋白的表达。
- Methods rVSMCs were transfected with an adenoviral vector expressing Mfn2(Adv-Mfn2-GFP). 方法体外培养rVSMCs,感染含有Mfn2基因的腺病毒载体(Adv-Mfn2-GFP)。
- baeulovirus vector expression system 杆状病毒载体表达系统
- Methods Lipofectin method was used to transfect pCR3.1/CCK_2R vector expressing gastrin receptor into a colon cancer cell line col0320.Gastrin and gastrin antagonist were used to up-regulate and down-regulate the signaling pathway,respectively. 方法采用脂质体介导法;将胃泌素受体(CCK_2R)的真核表达载体pCR3.;1/CCK_2R稳定转染人结肠癌细胞株colo320;上调胃泌素的作用;
- The paper analyzes the hexapod bionic robot gaits in walking along typical straight lines and swerving at a specific point.The position vector expressions of different gaits of the robots are given. 摘要文章分析了六足仿生机器人典型直线行走步态和定点转弯步态,给出了不同步态下的机器人落足点的位置矢量表达式。
- An expression of pain flitted across her face. 她脸上闪过一种痛苦的表情。
- He always shows a doleful expression. 他总是露出忧郁的表情。
- I can think of no greater expression of defeatism. 这是我听到的最悲观的失败主义论调了。
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- She looked at me without expression. 她毫无表情地朝我看着。
- The scenery there was beautiful beyond expression. 那儿的风景美丽得无法形容。
- He looked at her with a solemn expression. 他表情严肃地望着她。
- There was an expression of discontent on her face. 她脸上有不满的表情。