查询词典 Ld.

The gut cDNA library of amphioxus has been constructed by the method of LD PCR.

本文还利用LD PCR方法成功地构建了青岛文昌鱼的消化道cDNA文库。

In practice, when coordinates of two angular of two beam of LD/PSD are measured, people can gained the relative position.

在实际测量中，只要测量双光束LD/PSD 在两个角度时光斑的坐标，即可求得两轴的相对位置。

The fungicidal activities and disease resistance of short peptide LD-1 against Botrytis cinerea were tested in this paper.

本文以番茄灰霉病为供试菌株，研究了短肽LD-1对番茄灰霉病的抑制作用及其抗病性。

The LD side-pumping structure was designed to meet the requirement of miniaturization and spot uniformity of the laser system for weapon systems. The compact laser resonator was designed. In this design, the thermal effect is compensated by the total reflection concave mirror.

为满足一些武器装备对激光系统小型化及输出激光光斑均匀性较高的要求，通过设计LD侧面对称半环状泵浦的泵浦方式，使得输出的激光光斑形状基本为圆形，激光光斑的均匀性有了较大提高。

A novel current supply for middleandlow power LD has been designed, which operates on the principles of voltagetocurrent conversion, current amplification,and current negative feedback.

本文作者设计了一种用于中、小功率LD的新型电流源，它的工作原理是电压／电流转换、电流放大和电流负反馈。

A novel current supply for middle-and-low power LD has been designed, which operates on the principles of voltage-to-current conversion, current amplification,and current negative feedback.

本文作者设计了一种用于中、小功率LD的新型电流源，它的工作原理是电压/电流转换、电流放大和电流负反馈。

Study on uniform of pump distributivity in a LD side-pumped Nd:YAG laser .

LD侧面抽运的Nd：YAG激光器抽运均匀性研究。

Study on uniform of pump distributivity in LD side-pumped Nd:YAG laser .

LD侧面抽运的Nd：YAG激光器抽运均匀性研究。

Following process and equipment were adopted,a new process of cascade SCOT tail gas treatment,a gas suctior replacing the recycle air blower at start-up,air cooling replacing fresh water cooling for waste steam exhausting pipe, an advanced LD Duiker sour gas burner,a hot-wall burner,a semi-tube distributor reactor.

该装置采用串级SCOT新工艺，气抽子代替开工循环风机，空冷代替排汽筒新鲜水直接冷却；采用先进的LD Duiker酸性气燃烧器；燃烧炉采用热壁，反应器采用半管分布器。

Patients and METHODS: We matched 40 patients who had LD with 40 patients who had DZ.

结果：LD组和DZ组在手术时间方面有显著差异(中位数比较， 4.1 s 3.3 小时； P =。001)。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。