对船舶电力系统选择性保护策略进行了探讨。
The selective protection strategy of ship's integrated power system is discussed in this paper.
阻剂:用来选择性保护某图形区域免受蚀刻剂,焊料或电镀影响的涂层材料。
Resist: coating material used to mask or to protect selected areas of a pattern from the action of an etchant solder or plating.
研究发现,降低温度是对蔗糖C6位最活泼羟基进行单一选择性保护的有效方法。
The temperature reduction was shown to be an effective method for the most active C 6 hydroxy mono protection.
以蔗糖为起始原料,经羟基选择性保护、氯化、脱乙酰基等3步化学反应合成三氯蔗糖;
Sugar was as the start material by the reaction of the selective protections at 6-hydroxy, chlorination, deacetyl in three steps obtained the target compound(trichlorosucrose);
Slomba写道:“我最近的工作是关心的选择性保护行动以回应变化的预期的力量。
Slomba wrote, "My most recent work is concerned with acts of selective preservation in response to anticipated forces of change."
对近期提出的克服电网分布电容影响小电流接地选线的零序直流选择性保护原理作了理论分析。
This paper analyses the existing zero sequence directive current selective leakage protection principle which is to surmount the effect of distributed capacitance on it.
随着船舶供电网络结构复杂程度和选择性保护要求的提高,将纵差动保护应用于船舶电力系统有着越来越大的实际意义。
With the improvement of Marine power supply network and high requirement of the selective protection, longitudinal differential protection has more practical meaning in Marine power system.
而时间将会证明加拿大人会因比他们的南部邻居(美国)更精明、更开明而自豪,他们可以抵挡来自选择性保护主义的诱惑。
Time will tell if Canadians, who pride themselves on being more worldly and open-minded than their southern neighbours, can resist the lure of such selective protectionism.
上市公司、商业秘密保护、信息披露、利益平衡、博弈论、选择性披露、最低披露义务。
Listed Companies, Trade Secret Protection, Information disclosure, balance of interests, Game Theory, Selective disclosure, Minimum disclosure obligations.
经过实验测试,系统实现了选择性漏电保护和其它主要的保护功能。
After the experiment, the system has realized the selective leakage protection and other main protection function.
此外,由于人类意识思维的进化,对产生发育更多的婴儿有较少的选择性压力,因为增加的能力可以保护人类婴儿。
Furthermore, since the evolution of conscious thought in humans, there is less selective pressure to have more developed infants at birth because of the increased ability to protect human infants.
系统阐述了低压配电系统中各级各类保护之间的选择性配合。
The paper presents selectivity coordination of levels and sorts protection in low voltage distribution system.
目的观察胸主动脉瘤手术中采用中度低温末选择性顺行脑灌注(ASCP)或停循环(CA)加头部冰帽的脑保护效果。
OBJECTIVE to observe the effect of technology of cerebral protection of moderate hypothermia antegrade selective cerebral perfusion (ASCP) or circulatory arrest (CA) with ice-bag under the head.
介绍了一种基于直流电流传感器检测和单片机控制的新型直流检测式选择性漏电保护系统,重点阐述了系统应用软件的设计。
This paper introduces a new kind of DC examination and selective leakage protection system based on DC Current Sensor examination and single chip computer control.
实践证明,拖网分离栅能够有效地提高拖网作业的选择性,降低副渔获物和抛弃,保护渔业资源,因此,许多国家通过立法使其被强制使用。
Trawl sorting grids can effectively enhance the selectivity of trawl, reduce by-catch and discards, protect fish resources, which are compulsively used in many countries by legislation.
选择性漏电保护是指当电网发生漏电故障时,能够有选择地发出故障信号或切断故障支路电源,而非故障部分继续工作。
The selectivity leakage protective system can give out alarming signal or cut off the fault branches selectively when the leakage fault happens, and the non-fault branches are working normally.
利用分形理论判断故障类型,再利用微机逻辑判断实现保护的选择性。
The paper adopts the fractal theory to judge the fault types and then USES the microcomputer logic judgement to realize selectivity of protection.
选择性漏电保护是指当电网发生漏电故障时,能够有选择地发出故障信号或切断故障支路电源,而非故障部分继续工作。
The selective leakage protective system can give out alarming signal or cut off the fault branches selectively when the leakage fault happens, and the non-fault branches are working normally.
其应用可提高供配电线路保护的选择性、灵敏性与供配电线路运行的可靠性、安全性。
Its application can improve the selectivity and sensitivity of power supply and distribution line protection.
露天矿供电系统中采用两级选择性接地保护装置十分必要。
It is necessary to use two-stage selective earthing protective device in the power supply system of open-pits.
发现不同的底物结构上的差异可能造成选择性脱除乙酰基保护反应活性的差异。
Furthermore, the reaction condition of the selective removal of acetyl group in the presence of caffeoyl group was optimized.
②检漏继电器采用零序电抗器并不影响选择性漏电保护的实现,而对其可靠工作作用明显;
A feeding switch with a leakage protection function to replace a leakage check relay should not be adopted for practices.
目的制作犬颈内动脉的选择性灌注模型,验证可取出式动脉滤器对犬脑的保护效率。
Objective To develop an animal model and to evaluate the cerebral protection efficiency of the new-designed retrievable artery filter.
它可通过选择性扩张脑血管、增加脑血流、改善脑缺血能量代谢等而发挥脑保护作用。
Dip could protect against the ischemic brain injury by selective dilating cerebral vessels, increasing cerebral blood flow and improving energy metabolism.
显示屏可选择地包括电子接口,为保护该接口可将其用选择性可开启的盖子遮覆。
The display optionally includes a electronic interface that may be covered by a selectively releasable cover to protect the interface.
仿真结果表明,对于两端供电超高压长线,带电容补偿的故障分量相量差动保护具有明显地高灵敏度和选择性;
The result of simulation indicates that fault componentdifferential protection with capacitive current compensation has high sensitivity and good selectivity on al…
以D-(-)-果糖为手性源,经过丙酮保护、氧化、选择性脱保护、三氟酰化四步反应得到手性酮4。
Chiral ketone 4 derived from D-(-)-fructose was obtained by four steps reaction including protection with acetone, oxidation, deprotection selectively and trifluroacetylation.
采用具有选择性的过电流方向继电器,对这种相互分隔直流系统的保护相对就简单。
Protection for these isolated systems has been a relatively simple task, which is carried out using over current directional relays with selectivity.
采用具有选择性的过电流方向继电器,对这种相互分隔直流系统的保护相对就简单。
Protection for these isolated systems has been a relatively simple task, which is carried out using over current directional relays with selectivity.
应用推荐