查询词典 upsteam

This analysis, which considers approximately the influence exerted on the downstream by the upsteam in the nozzle-rudder configuration, is based on the theoretical results of the ducted propeller.

分析基于导管螺旋桨的理论结果，并近似地考虑导管一舵系装置中上游对下游的影响。

National Oilwell Varco is a worldwide leader in the design, manufacture and sale of equipment and components used in oil and gas drilling and production, the provision of oilfield inspection and other services, and supply chain integration services to the upsteam oil and gas industry.

无论是在全球油气田钻采设备与部件的设计、制造及销售领域，还是在油田检测设备与其他项目上以及向上游油气工业提供连锁式综合服务方面，都居世界领先地位。

Practically, there are unsteady flow in the water diversion system of the pumping station as a result of the change of upsteam stage and pump operation stage. It has important significance for the optimum operation and management of the pumping station to study on one-dimensional unsteady flow of water diversion system of the pumping station.

同时在泵站实际运行过程中，由于上游水源水位和泵站运行水位变化的影响，引水系统内往往会产生非恒定流，因此，泵站引水系统非恒定流计算研究对泵站的优化运行和管理具有重要的理论意义和实际应用价值。

TATA box and CAAT box-like elements were found in the sequence,and GC domains were rich in the far upsteam of the promoter.

序列分析表明它含有类似于TATA box和CAAT box的元件，在其远端上游区域还有多个GC富含区。

Attenuation The trp operon is also controlled by attenuation A leader sequence in the polycistronic mRNA upsteam of the coding region of the trpE structural gene encodes a 14 amino acid leader peptide including two tryptophan residues The RNA leader sequence can for several possible stem-loop secondary structures,one of which can act as a transcription terminator whilst a different stem-loop can act as an anti-terminator.

弱化作用 trp 操纵子也受到弱化作用的调控。在trpE结构基因编码区上游的多顺反子mRAN上有一段前导序列，可以编码一个含有14个氨基酸的前导肽，此肽中含有两个色氨酸残基。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。