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)。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。