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Methods LASEK was performed on 54 eyes of 27 myopia patients. The preoperative mean spherical was -6.00~-14.00 D, average(-8.75 ± 1.27) D.

选取高度近视患者27例（54眼），术前近视等效球镜为-6.00~-14.00D，平均(-8.75±1.27)D。

On investigation of the soft coral Sarcophyton digitatum for the first time anew polyhydroxylated sterol S-D-1 was obtained.

本论文首次对指状肉芝软珊瑚进行了化学研究，从中分离并鉴定了一个新的多羟基甾醇(S-D-1)和鲨肝醇(S-D-2)。

The SiO2-Al2O3-d catalyst was modified with different metal nitrates. It indicates that cadmium nitrate and strontium nitrate could improve the catalytic activity obviously.

用不同种类、不同浓度的金属硝酸盐，对SiO2-Al2O3-d催化剂进行改性研究，发现Cd(NO3)2和Sr(NO3)2改性后，活性和使用寿命较SiO2-Al2O3-d有所提高，而Mg(NO3)2、Ca(NO3)2、Ni(NO3)2改性后的催化剂，活性反而有所降低。

And the results indicate that the principal stress directions in study area are mainly NE-SW, and the second substage tectonic twist made the direction deflect from North to East, but the primary direction changed little; tectonic activities during the O〓～S～D stage is some violent, most of the area are under high stresses status, and rock fracture degree is correspondingly higher, as coinciding with the drill cores observation, i.

通过数值分析，模拟了塔中Ⅰ号断裂带和塔中45井三维模拟区O〓灰岩的构造应力场和应变场，结果表明：研究区主应力方向为北东～南西向，第二期的构造扭动使其由北向东发生了一定的偏转，但总的方位变化不大；O〓～S～D时期，塔中地区构造运动较强，研究区大部分处于高应力状态，岩石破裂程度较高，而岩芯观察结果也证实了这一结果，即O〓灰岩地层中早期形成的构造结构面比较发育，单个结构面的规模也较大；C～P时期，岩石的破坏程度较早期有所提高，主要表现在两个方面，一是各局部区岩石的破坏程度普遍有所提高；二是各个级别破裂区的分布范围相应地扩大了；研究区应力分布表现出明显的不均匀性，特别是剪应力，无论是O〓～S～D时期，还是C～P时期，都有很大的差异性，特别是在小断层的端部，剪应力比较集中，而且在断层的两盘，剪应力方向和大小都变化极快。

This invention relates to a window A/D converter used in digital supply controllers composed of a PMOS difference input pair, a CTAT offset current generation circuit, two loop oscillators and a digital part including two n-bit counters, one n-bit comparator, one n-bit subtracter and an n-bit D trigger, in which.

本发明属集成电路技术领域，具体为一种适用于数字电源控制器的窗口式模数转换器。它由一个PMOS差分输入对、一个CTAT偏置电流产生电路、两个环路振荡器和数字部分组成。数字部分由两个n位计数器、一个n位比较器、一个n位减法器、一个n位D触发器组成。

Root hairs of wild type were intensely induced in the presence of NAA, while the gls mutant was insensitive to NAA induced root hair initiation; Lateral roots of the wild type were dramatically decreased when treated with 2,4-D, while the gls mutant was insensitive to 2,4-D induced reduction in lateral root initiation; The seminal root length of wild type showed no obvious changes by the treatment with IAA, but the gls mutant was supersensitive to IAA with dramatic reduction in seminal root length, suggesting that the interactions of GLS gene with different hormones may involve different mechanisms.

外源NAA 处理强烈诱导野生型根毛发生，而gls突变体则不敏感；外源2，4-D处理，野生型侧根急剧减少，gls突变体则不敏感；外源IAA处理，野生型种子根长变化不明显，而gls突变体超敏，种子根长迅速变短，表明GLS基因与不同激素有不同的互作机制。

Let R be a set of primitive symmetric di graph s of order n with exact d vertices having ring.

设R表示由全体恰含d个环点的n（n≥3）阶本原无向图所构成的集合，F为 R中图的第 k重上广义本原指数的最大值，1≤d≤n，2≤k≤n－1。

Osteoclasts isolated from Shan sheldrakes were cultured with different concentrations of calcium 2, 3, 5, 7 mmolL^(-1. OCs were identified by tartrate resistant acid phosphatase staining and observed by phase-contrast microscope at 1, 3, 5, 7 d after treated by calcium.

分离山麻鸭破骨细胞，在此基础上添加不同浓度钙离子2、3、5、7 mmolL^(-1，倒置、显微镜观察体外培养OC形态，培养1、3、5、7 d进行抗酒石酸酸性磷酸酶染色，7 d后扫描电镜观察象牙片吸收陷窝。

C ', J5 D; y$ O; V1 D- c8 J A touring group of retired government employees learns about the brash new sights of Dalian, a city on the rise in China's Northeast.

'9 U* J1 _， J1 j9 D% K 一个退休干部旅行团正在听导游介绍中国东北窜升中的城市——大连急速发展的新市景。

And adjusting the parameters, it can be a binary, trinary or N-nary A/D converter arbitrarily.

虽然其精度目前还未超过现有的A/D变换器，但这是一种全新意义上的A/D变换，值得进一步研究。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。