查询词典 db

Messb db 1fh,'The old system now is repleted.

原有的系统已经恢复完成。

The structure of sulfonated polys from DB is similar to that of sulfonated poly(arylene thioether phosphine oxide)s from TB. The latter could be regarded as the"product"of the former provided that the ether unit of the former was replaced by the thioether unit. The studies illustrated that the latter exhibited much better oxidative stability than the former. This is due to the fact that the thioether unit of the former was oxidized into the sulfone or sulfoxide unit in Fenton reagent, which inactivated the adjacent benzene rings and thus retarded the degradation reaction.

从结构上看，后者可以看成是前者的醚基团被硫醚基团取代后的&产物&，其耐氧化性能比前者好得多，这是因为后者的硫醚基团在Fenton试剂中被氧化成为砜或亚砜基团，而砜或亚砜基是钝化基团，钝化了与之相连的苯环，阻碍了降解反应。

Lead al oys as solder for transducers used in high-powered (designated to operate for several hours at acoustic power levels of 125 dB SPL and above) loudspeakers.

用作大功率扬声器（用在长时间操作125分贝以上的音响系统）的传感器中焊料的铅合斤。

DB and, what is now considered the conventional impedance of 8 Ohms.

*分贝，什么是目前被认为是传统的8欧姆阻抗。

Wistar rats were administered with nimetazepam and nitrazepam,respectively,and urine samples winthin 24 h were collected.

给大鼠急性喂食硝基安定和尼美西泮，收集24 h内尿液，尿样用β葡萄糖醛酸酶水解，Oasis HLB柱固相提取，以DB-35 MS柱为分离柱，气相色谱-质谱联用检测。

Moderate noise (75、85dBA), didn't has significant effect on simple control and reaction task such as two-hand coordinate tracking, complex reaction time and persuit aiming. After sustained exposure of 1. 5h to noise with intensity of 85、95 dB , there was a tendency to decrease in light tracking performance of dual task (light tracking and oddball vedio-moter reaction) with a very large difference among subjects. The attention distribution between main task and second task changed.

中等强度的噪声（75、85dBA），对于双手协调光标追踪、复杂反应时及目标跟踪等较为简单的操纵和反应并无显著影响；85、95dB强度的噪声持续暴露1.5h，可使双重任务（光标追踪和oddball视觉-运动反应）的光标追踪绩效有降低的趋势，并有很大的个体差异，主、次任务之间的注意分配发生了改变。

DB Zipper is a database tool that processes table data and table structures from any database into a compressed database archive file.

分贝拉链是一个数据库工具，流程表和数据表结构，从任何数据库，把压缩档案文件。

Threshold shift immediately after noise exposure(115 dB SPL, 5 h).

无噪声对照组动物在整个实验过程中听阈稳定。

Alternatively, if you don't want to use the default DB parameters and want to, say, force a skin, a category or a specific linkblog, you can create a stub file like the provided ' a_stub.php ' and call your blog through this stub instead of index.php .

或者，如果你不想使用缺省参数和想分贝，例如迫使皮肤一类或某个linkblog，你可以创造一个像存根档案提供的 a_stub.php '，请您不要index.php博客通过这个存根。

In standard sound booth would increase 10 dB SPL of allowable maximum gain and can keep the signal's completeness.

而且能够完整的保留住原始讯号之特性。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。