The best corrected visual acuity ( BCVA) and macular structural changes were observed before the surgery, and at1,2,3,4,8 months after the surgery.

The Best Correct Visual Acuity ( BCVA) was 1 02 ± 0 16 in group one, and 0 96 ± 0 17 in group two.

第一组最佳矫正视力为1.02±0.16，第二组为0.96±0.17。

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Pre-and postoperative refraction and best corrected visual acuity ( BCVA) were registered.

记录术前、术后的屈光度和最佳矫正视力（BCVA）。

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Blind: The best corrected visual acuity ( BCVA) of good eye was less than 0.05;

视障情况：全盲为好眼的最佳矫正视力低于0.05；低视力指好眼的最佳矫正视力低于0.3。

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Results Preoperative BCVA was finger counting to 0.05 in all 15 eyes.

结果术前15眼视力均≤0·05。

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There was also no difference in the BCVA between the two groups.

并且两组的最佳视觉敏感度没有差异。

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At 24 months, there were 3 eyes ( 3.8%) had lost 2 or more lines of BCVA because of secondary keratoconus.

再次术后24月最佳矫正视力与再次术前相比下降2行以上的3眼占3.8%。

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'It's easy to get things done in Oslo,' says singer and performance artist Nils Bech in a downtown caf é near the affluent shopping district surrounding the Storting, the Norwegian parliament.

歌手兼演员尼尔斯&12539；贝克（Nils Bech）在市中心靠近挪威国会（Storting）的一家咖啡馆说：在奥斯陆做事很容易。

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Attempt to analyze the polytonality, legato-staccato and feasibility of singing in bech's 《 bicinium invention 》 and the important points of playing

浅析巴赫《二部创意曲》中的复调性、断连性、歌唱性与弹奏要求

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Stipends from the Norwegian Ministry of Culture have facilitated both Bech and Ekblad's work: He has two years of financing, and she has three.'

挪威文化部提供的奖金帮助了贝克和艾克布莱德的创作：前者可得到两年资助，后者为三年。

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This research adopts the Bech-H questionnaire to test nine lovelorn university student, discovers most of them have suicide idea, partly have stronger idea.

本研究采用Bech-H无望量表对9名失恋大学生进行自杀倾向性测试，发现大部分被试有自杀意念，部分自杀意念较强烈。

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Bech Testing Technique of Parking Brake for Motor Vehicles

汽车驻车制动器台架试验技术

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

基于Bech模型的船舶航向离散变结构控制

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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。

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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。

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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。

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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。

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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。

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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。

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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。

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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；

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