查询词典 gradient

The sub-gradient algorithm is designed to solve lagrangian dual problem according to its characteristic.

根据问题的特性设计了次梯度算法求解拉格朗日对偶问题。

The flow, concentration and velocity have not an extreme gradient distribution in the anterior maxillary of edentulous patients.

无牙颌患者上颌前部的血流量、血流浓度及血流速度的梯度分布不明显。

A new hybrid algorithm that combines the chaos method and the nonlinear conjugate gradient method having an effective convergence property is introduced.

本文针对非线性方程组的求解问题提出一种混合算法，将方程组转换成一个优化问题。

Northern analysis indicated that expression efficiency of the bar gene driven by DCA1 promoter was regulated by the gradient concentration of sodium chloride, and the positive blotting signal intensity of the bar mRNA was highest in the medium containing 2 mol/L of sodium chloride.

Northern印迹分析表明：DCA1基因启动子驱动bar基因在杜氏盐藻细胞中的表达效率受氯化钠浓度梯度调控。

Results The purity as well as removal rates of egg albumin and foreign protein of virus bulk purified by Sepharose 4FF gel chromatography were slightly higher than those by sucrose density gradient centrifugation.

结果 层析法的纯度、卵清蛋白及杂蛋白去除率略高于蔗糖密度梯度离心法，而蔗糖密度梯度离心法的病毒回收率优于层析法。

METHODS Left ventricular ejective fraction, regurgitant velocity and regurgitant direction were examined by color Doppler echocardiography in 151 patients with medium mitral regurgitation. The results of LVEF, regurgitant velocity and regurgitanting gradient were compared between patients with and without murmur grope.

随机选择151例经超声心动图检查，显示有中度及中度以上二尖瓣返流的患者，根据彩色多普勒血流显像分别测定LVEF、返流速度等超声参数，比较其在杂音组及无杂音组间统计学差异，分析其对听诊的可能影响。

The article thinks the theoretical foundation of this kind of move remains gradient elapse to talk.

本文认为这种转移的理论基础仍然是梯度推移论。

Diamagnetic loop is new beam diagnostic technology, it measures electromagnetic parameter-magetic moment that is brought while beam is transforming, by measuring magnetic moment we can calculate beam radius. Diamagnetic loop is non-intrusive diagnostic system, it can diagnose beam radius on line and it can diagnose beam emittance and obliquity cooperating with other technology such as three gradient method and beam bugs.

反磁回路法是国际上近年来发展起来的一种新的束流诊断技术，它是通过测量束流传输过程中产生的电磁场参数对束流的特性——束流半径进行诊断的，是一种非阻挡型的诊断系统，可以在线诊断束流情况，与其它方法相配合还可以得出束流剖面的其它参数，具有结构简单、抗电磁干扰能力强、安装使用方便可靠等特点。

The results are of significance for the generation of electromagnetic radiation from density gradient-driven plasma.

研究结果对密度梯度所驱动的等离子体波产生电磁辐射的研究具有重要意义。

The results showed: there were some apoptosis cells found by microscope, electron lens and flow cell counter; there were model gradient streak in DNA electrophoresis of the GCT cells effected by high dense ADM over 0.4

结果表明，光镜、电镜及流式细胞分析均可获取一定数量的凋亡细胞，且较高浓度（0.4μg/ml以上）阿霉素处理的细胞DNA电泳可见典型的梯形条带。

Continuously improve the production mechanism, to provide customers with better quality products and services.

不断的完善生产机制，给客户提供更优质的产品及服务。

B:Yes, he was the very prize-winner in the court tennis ten years ago?

是的，他是十年前的世界网球冠军。