Discrete Variable Structure Control of Ship Autopilots Based on Bech's Equation

Methods The condensation of 2-bromo-5,6-dimethoxy-indan-1-one with various aminoalkyl phenols in the presence of ( K_ ( 2) CO_ ( 3)) and acetonitrile gave the corresponding title compounds, and the in vitro AchE and BchE inhibitory activities were evaluated by the modified Ellman method.

方法在K2CO3和乙腈存在下，将2-溴-5,6-二甲氧基-1-茚酮与多种胺烷基苯酚缩合得到一系列苯氧茚酮类衍生物，并采用改进的Ellman方法研究它们的体外AchE和BchE抑制活性。

The BChE was purified to electrophoretic homogeneity by salting out, ion-exchange chromatography on DEAE-cellulose and gel filtration on Sephadex G-200. Finally the enzyme was purified 278. 5 folds and the enzyme activity recovery ratio was 17.8%.

该酶经过两次硫酸铵盐析、DEAE-52离子交换层析和Sephadex G-200凝胶过滤层析后，其比活力由21.5U/mg提高到5944.1U/mg，纯化278.5倍，回收率为17.8%，达到电泳纯。

A BChE from A serum was selected to determinate pesticide residues by comparison of many BChE from different materials.

通过对6种不同动物组织的胆碱酯酶的比较研究，最终选择以A血清BChE作为农药残留的检测用酶。

We also investigate the effective potential of the system in phase space, which is consisted of two weakly-coupled BECs through a double-well.

本文就双阱中弱耦合的玻色-爱因斯坦凝聚体系统在位相空间中的有效势进行了研究。

This paper proposes an efficient Balanced-Energy Clustering Scheme ( BECS) which is based on the energy consumption model in multi-hop wireless sensor networks.

以无线多跳传感器网络中的能量消耗模型为基础，提出一种基于能量均衡的自适应分簇策略。

From then on, BECs have become a popularly investigated platform for various effects of quantum many-body interaction in strongly correlated systems.

从那时起，BEC就成为研究强关联系统的各种量子多体效应的的平台。

In chapter II, a general equation describing a two-level atomic BECs transmitting through laser beam is constructed.

在第二章建立了二能级原子玻色-爱因斯坦凝聚体穿越激光场的一般方程。

Results O 3 increased the adhesion of BECs to PMNs and EOS.

结果：O3应激可增加BECs与PMNs、EOS的黏附率，产生应激反应；

The past decade has seen a dramatic progress in the research of BECs both theoretically and experimentally.

因此，在近十年内，人们在玻色-爱因斯坦凝聚的理论和实验研究方面取得了巨大的进展。

Atomic BECs have good coherent properties and the interactions between atoms make its physics nonlinear.

原子玻色-爱因斯坦凝聚体有很好的相干性，凝聚体中粒子间的相互作用又使其具有非线性性质。

I hereby request to switch my existing balances in the Constituent Fund ( s) of BCOM Joyful Retirement MPF Scheme in accordance with the instruction given in Part II.

本人现要求将本人在交通银行愉盈退休强积金计划账户内，在各成分基金中的结馀，根据第二部份指示转换。

For instance, Boeing Employees Credit Union, now BECU, was at one time solely for Boeing employees, but then expanded to include anyone who lives in the state of Washington.

例如，波音雇员信用合作社，现在的BECU，曾经有一段时间只接受波音雇员入会，但是后来申请人范围扩大到包括华盛顿州的任何人。

Magneto-impedance Effect in BeCu/ NiFeB Electroless-deposited Wire

化学镀BeCu/NiFeB丝巨磁阻抗效应研究

Under the brake control technology as theoretical basis and the algorithm of braking parameter, the operational programmes achieves the braking function of BECU module.

本文以制动控制技术作为理论基础，依据制动参数及算法，设计ARM7微控制器制动运算程序，实现BECU模块的制动功能。

With design of the braking electronic control unit BECU as the example, the reliability design of BECU is discussed.

文章以制动电子控制单元BECU的设计为例，探讨了BECU的可靠性设计。

Study on the Interface of BeCu/ Ni Composites

BeCu／Ni复合材料的界面研究

The life of the BeCu plunger is 2.5 times of the nodular plunger.

铍铜压射冲头的使用寿命是球铁压射冲头的2.5倍多。

According to the residential district and architecture practice of BDCL in China, this paper brings forward the basic principles of creating the residential district with best life quality from three aspects: Multiple-mix, Humanity, Identity.

本文结合近年来BDCL在中国居住建筑设计的实践，从多元化、人性化、个性化三个方面提出创造体现高尚生活价值住区的原则。

Van Beek, 39, told the Midland Daily News that he wants to complete the events with his daughter, who is unable to walk or talk, because she adores being outside.

现年39岁的范·比克告诉《米兰德每日新闻》说，他之所以想要和不能行走也不能说话的女儿一起完成这些项目是因为女儿特别喜欢呆在户外。

Rick van Beek's feat of endurance and show of love for his daughter Madison have led many to call the man from Byron Center, Michigan the 'father of the century'.

瑞克范比克来自美国密歇根州拜伦中心，他完成的这项壮举展现了他惊人的耐力和对女儿麦迪逊深深的爱意，这使得许多人称他为这个世纪最好的父亲。