中脉

The sulphur-rich protein encoding genes are transferred into crowtoe to improve the content of the sulphur-containing amino acids of forage protein through genetic engineering. Zeins, maize prolamin, the major protein reserves of maize kernels, are accumulated in protein bodies arising from the rough endoplasmic reticulum.

通过分子克隆及遗传转化等方法，将外源高含硫氨基酸蛋白基因转入百脉根，提高牧草蛋白中含硫氨基酸含量具有十分重要的意义。

After rolling culture for 48 h, pulsatile medium circulation with a flow of 0.1 L/min was started.

轧后的48小时，以0.1升的流量脉动中流通/分钟文化开始。

In the paper, the effective range of the quasi-steady theory for pulsating flows is discussed.

本文确定了脉动流动中准稳态理论的适用范围。

The level of the population pulsation effect in the coupling effects was calculated numerically.

数值计算了粒子数脉动在耦合效应中的大小。

The delta modulation is undergoing development as same as the pulse-code modulation in digital communication systems.

在数字通信系统中，增量调制将与脉码调制同样得到发展。

On the base of optimization on float agents and rebuilt of flow process,the easy-floating gangue and pyrrhotite is constrained efficiently,and the burden of circulation is also reduced,So the indicators is improved in all aspects,the rate of copper in concentrate reaches over 20%.

通过对浮选药剂条件的优化及部分流程结构的攻关改造，有效地抑制了易浮脉石矿物和磁黄铁矿的上浮，减少了中矿的循环量，工艺指标得到全面的提高，铜精矿品位达到20%以上，选铜回收率达到85%以上。

On the base of optimization on float agent s and rebuilt of flow process,the easy-floating gangue and pyrrhotite is constrained efficiently,and the burden of circulation is also reduced,So the indicators is improved in all aspects,the rate of copper in concentrate reaches over 20%.

通过对浮选药剂条件的优化及部分流程结构的攻关改造，有效地抑制了易浮脉石矿物和磁黄铁矿的上浮，减少了中矿的循环量，工艺指标得到全面的提高，铜精矿品位达到20%以上，选铜回收率达到85%以上。

These reef inhabitants include more than 1,500 kinds of fish and 200 kinds of birds.

在这些礁脉中生活的有1，500多种鱼类和200多种鸟类。

Pulse Width Modulation technique is one of the most important contents in the digital current control. Two PWM algorithms–Asymmetric Regular Sampling PWM and Space Vector PWM, is described. in detail, and then a fast algorithm of Space Vector PWM is got by combining the advantages of the two algorithm.

脉宽调制技术是数字电流控制中的核心内容，文中详细分析了非对称式规则采样法和空间矢量法两种PWM调制方法的原理和计算方法，在对这两种方法比较的基础上，介绍了一种空间矢量PWM的快速算法。

Orthopyroxenites commonly contain Tirich minerals and also relict grains of olivine and clinopyroxene occurring as inclusions in secondary orthopyroxene.

这种斜方辉石岩既作为独立的捕掳体存在又以细脉的形式穿插于橄榄岩捕掳体中。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。