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Objective To study the changes of contrast sensitivity in mesopic and photopic condition caused by different ablation depth, and to evaluate visual functional state after LASIK. Method The study was taken in 72 eyes of 37 myopia patients received LASIK.

目的 研究准分子激光原位角膜磨镶术(Laser in situ keratomileusis，LASIK)术后不同切削深度患者暗视／明视下对比敏感度的差异，评估LASIK术后患者视功能状态。

It also showsdependence in Zn-Fe and Zn-Mn. Microelement analysis indicates genetic type of Furong tinallotment is nearly magmatic hydrothermal deposit by content of In, Ga and Cd and thetemperature of mineralization is speculated about 235～248℃ by the value of LogGa/Ge, Zn/Cd,which means sphalerite occurred under mesothermal temperature.

对闪锌矿等离子质谱微量元素分析显示，闪锌矿中In、Ga、Cd等元素的含量表明其成因类型与岩浆热液型基本一致；微量元素LogGa/Ge、Zn/Cd的比值计算和推测出矿化形成的温度为235～248℃左右，表明郴州芙蓉矿田闪锌矿为中温条件下的产物。

Here we investigate the effect of 370G on the metabolism of bone in vivo and in vitro. 3 week-old S.D. male rats were used. Implantation of cannula (22G) was done from the posteriolaterial side into the proximal tibial metaphysis in limbs of the rats.

本论文则探讨370G对於骨骼代谢的影响。in vivo方面，本篇实验使用3周大的公鼠，利用两种动物模式来评估370G对其骨骼代谢的影响。

Features in this version:- Very fast - Remember all your translations - Double click a bubble to display in full screen - Great UI, the most intuitive design - Touch header to switch source and target language - Ability to delete all of the translations - Long press a bubble to delete it - Support all Languages Google Translate supports - Easy add or remove Language Pair Mobile Translator supports translating among:- English -日本语- Franais - Espaol - Deutsch - Italiano -中文--Български- Cat - Hrvatski - esky - Dansk - Nederlands - Filipino - Suomi -Ελληνικ--- Indonesia - Latvieu - Lietuvi - Norsk - Polski - Português - Romn -Русский-Српски- Slovenina - Slovenski - Svenska -Украна- Vit - Version 2.0 is submitted, Free update for existing users!

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Mineral fuel is the primary energy source in the world today, thereinto coal resource holds in store more than 75 percent in the total energy source. During coal's utilized, nocuousness matter expels into environment through all kings of method and works serious environmental pollution. Desulphurization has become one of primary objects of cleaning coal. At present, there are some primary problems of removing sulfur from coal. It is the size of coal is too small, the time of removing sulfur is too long, the technology is too complicated and the investment is much expensive etal.

中文题名燃煤微生物预处理浮选脱硫的试验研究副题名外文题名 Study on microbial pretreatment and floatation desulphurization in coal 论文作者周志付导师王英敏魏德洲教授学科专业安全技术及工程研究领域\研究方向学位级别博士学位授予单位东北大学学位授予日期2002 论文页码总数99页关键词燃煤微生物预处理－浮选脱硫煤炭脱硫馆藏号BSLW /2003 /X701 /2 矿物燃料是当今世界的主要能源，其中煤炭资源蕴藏量占总能源的75％以上，在煤的利用过程中，有害物质以各种方式排入周围环境，造成了严重的环境污染，因此脱硫已成为洁净煤技术的主要目标之一，而目前煤中硫的脱除存在的主要问题是：煤粉太细，脱硫时间长、技术复杂，投入费用太高等。

In this paper,the researches on β-catenin in the development of tooth germ, odontogenic tumor and tooth regeneration are reviewed,which may be useful to related basic studies.

本文就β-caten in在牙胚发育、牙源性肿瘤、牙齿再生方面相关研究的进展做一综述，望对进一步研究有所启示。

Methods The present study is a randomized comparative clinical trial. 607 healthy parous women were randomly allocated into GyneFix IN group (n=302) or TCu 380A group (n=305). IUD was inserted during the menstrual interval by the trained investigators. Follow-up were arranged at 1,3,6 and 12 months after insertion. The discontinuation rates were calculated by life table method.

采用随机对比性多中心临床研究方法，对607例健康经产妇女由经过培训的专人以随机方法于月经间期放置GyneFix IN IUD 320例(GyneFix IN组)及TCu 380A IUD 305例(TCu 380A组)，于放器后1、3、6和12个月随访，以生命表法统计两种IUD的终止情况。

In this paper, problems of trend test in clinical experiment are studied mainly by the statistical inference method under order restriction. The ori- gins of order restricted statistical inference are usually dated back to the early 1950s. At about the same time, a number of researchers started working inde- pendently on similar problems. The field developed rapidly during the 1960s and early 1970s and formed the more perfect theory of estimation and test- ing.

中文题名临床试验中的趋势性检验副题名外文题名 Trend test in clinical experiment 论文作者马艳萍导师史宁中教授学科专业概率论与数理统计研究领域\研究方向学位级别博士学位授予单位吉林大学学位授予日期2002 论文页码总数97页关键词临床试验趋势性检验数理统计约束下统计推断馆藏号BSLW /2003 /R311 /1 本文主要利用序约束下的统计推断方法对临床试验中的趋势性检验问题进行了研究。

These solutions will produce in-situ gel formation when transmitted from non-physiological to physiological condition. These polymer systems once instilled in the cul-de-sac will prolong the precorneal resistance time and increase the ocular bioavailability of drugs.

这些溶液由非生理状态转变成生理状态时会产生原位成胶(In-situ gel formation)，因此一旦滴入眼睛穹窿内，可延长药剂在前角膜的滞流时间及强化其眼的生体可用率。

The commercialized liquid ophthalmic formulation is eliminate from the precorneal area immediately upon instillation because of lacrimal secretion and nasolacrimal drainage. This results in very low ocular bioavailability. The problem can be conqurered by in situ gelling system for ophthalmic drug delivery.

一般市面用液体眼药制剂常因滴入眼睛时，受到经常性的泪液分泌及鼻泪管的快速排液，因此呈现很低的生体可用率，此缺点可用原位成胶(In-site gel formation)输送系统来加以改善。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。