查询词典 double-end

In others with double-armed receptors, the probes 4-(N,N-bisacetoxyethylaminomethyl)-7-methoxycoumarin.(B3) and 4-N,N- bis(diethylaminodithiocarboxyethyl aminomethyl-7-methoxycoumarin (B4) with pronounced fluorescence enhancement response to special heavy and transition metal ions were proposed as PET mechanism; for those with double-armed receptors following ICT mechanism, their performances are influenced by not only the structure of the receptors but also the attaching position of it.

双臂香豆素类荧光分子探针体系中，我们研究了含有不同杂原子的识别基团对PET型荧光探针识别性能的影响，优化了探针的选择性，得到了可以选择性识别某种过渡金属和重金属离子的荧光增强型分子探针4--7-甲氧基香豆素(B3)和4--7-甲氧基香豆素B4而在ICT型荧光探针的研究中，我们发现具有不同杂原子的识别基团可以对识别性能产生影响的同时，连接位置的改变也对识别能力有很大的影响。

Completely covered with skins except for a single or double opening in the ''.'center'.'' and propelled by a double-bladed paddle.

中心'。''有一两处开口外全部用皮覆盖，这种划子是用两叶桨推动的

With comparisons to several cases of block double-bottom construction, and on basis of the analyses of block assembly influence factors, the multistage fuzzy comprehensive assessment for double-bottom assembly case is presented.

通过对几种双层底分段建造方案比较，在分析影响选择分段装配方案若干因素的基础上，提出了双层底分段装配方案的多级模糊评判方法。

All circuits which are not confined to one housing and which affect safety shall be double-wire, double-break, except signal and switch indicator light circuits.

所有电路所不局限于一所房屋，影响安全，应双丝双破，除信号指示灯、开关电路。

By analyzing the current researches of high voltage vacuum switch,the necessity and feasibility to research and develop 126 kV double-break vacuum circuit breaker are demonstrated,and some countermeasures are presented against the defects of the conventional double-break vacuum switch.

大连理工大学电气工程与应用电子技术系；许继集团有限公司在分析国内外高电压等级真空开关研究的基础上，提出了研发126 kV双断口真空断路器的必要性和可行性，并针对双断口真空开关存在的缺陷提出了解决措施。

Steel tubing in different shapes corrugated steel pipe can be divided into different types of pipe-shaped, conical shaped steel tube, steel tube shaped melon-shaped, double-concave profiled steel, double-convex shaped steel tube, profiled steel five plum-shaped, hexagonal shaped equilateral steel, semi-circular special steel round, steel octagonal shaped, diamond-shaped steel, hexagonal shaped steel tube, steel triangular shaped, oval shaped steel tube.

钢管异型管可分为波纹形异型钢管、圆锥形异型钢管、瓜子形异型钢管、双凹形异型钢管、双凸形异型钢管、五瓣梅花形异型钢管、不等边六角形异型钢管、半圆形异型钢圆、八角形异型钢管、菱形异型钢管、六角形异型钢管、三角形异型钢管、椭圆形异型钢管。

The mechanical parking equipment with double-decked elevator and double berth roller deposit table is reasonable and simple in structure, and high in efficiency.

双层搬运器双车位滚道存放型机械式停车设备结构简单合理，存取车运行效率高。

This paper describes and compares 4 streamtube models (single-disk single-streamtube, double-disk single-streamtube, single-disk multi-streamtube and double-disk multi-streamtube models) based on the momentum theory for the hydrodynamic performance prediction of the vertical-axis variable-pitch turbine that may be employed to tap tidal stream energy resources, especially for the prediction of the overall turbine power coefficient.

以潮流发电水轮机的设计为研究背景，分析和总结了基于动量定理方法的四种流管模型(单盘面-单流管模型、双盘面-单流管模型、单盘面-多流管模型和双盘面-多流管模型)在竖轴变攻角水轮机的水动力性能计算中的应用，特别是能量利用率预报方面的应用。

Normal control group: the ordinary diet, double distilled water; model control group: low-iodine diet, double-distilled water.

正常对照组：普通饮食，双蒸水；模型对照组：低碘饮食，双蒸水。

Do not do plastic surgery will be able to make single eyelids become double-fold, the most direct way is to use double fold tool.

不去做整形手术就能让单眼皮变双眼皮，最直接的方法就是利用双眼皮工具。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。