查询词典 study

Objective: Retrospective study of 23 cases of thoracic myelopathy caused by ossification of ligamentum flavum were reviewed to study the short-term and midterm outcome of surgical treatment and the value of the score system.

中文摘要：目的：回顾总结胸椎黄韧带骨化致胸髓病变患者的临床资料，探讨减压手术的中短期疗效。

Moreover, it is a very important method with study black hole states and the periodicity of the light curve to study their physical process.

同时，为了进一步了解黑洞的物理过程，通过研究黑洞态以及其光变曲线的周期性变化一直以来是一种十分重要的方法。

This study deals with butterfly diversity and conservation of rare as well as insect fauna species in Baishuijiang Natural Reserve in Gansu Province. The research includes field investigation, observation at certain time and places, captive breeding in experimental area etc. Butterfly species diversity in Baishuijiang Natural Reserve and variation regulation of butterfly diversity in different areas are studied. The relationof butterfly diversity with environmental factors such as vegetation destruction, human disturbance are strenthened in Bifeng Gully. The biology of two rare butterfly species is studied. Meanwhile, this study deals with insect α-diversity and β-diversity in Baishuijiang Natural Reserve and inquire into the mechanisms of ecological control by protecting and recovering vegetation. The research includes field capture with sweeping net, light trap, transect investigation.

在甘肃省白水江自然保护区碧峰沟通过野外调查、定点定时观察、实验地饲养等研究了白水江自然保护区两种珍稀蝴蝶红基美凤蝶和巴黎碧凤蝶的生物学特性，在保护区范围内通过网捕采集研究了蝶类物种多样性和不同区域内蝶类多样性的变化规律；同时在碧峰沟四种不同生境中通过灯诱获得标本，研究了该地区不同生境中的昆虫种类组成及其多样性，分析了决定物种丰富度的关键因子，与蝶类多样性进行了比较分析，并提出了具体的保护措施。

At last, the limitation of the study and the further study issue are discussed.

最后就本研究的局限性及值得进一步研究的问题进行了探讨。

In this study,we conducted a set of experiments to acquire systematic knowledge about the properties of AFSCs;meanwhile,to evaluate whether AFSCs could be used for cell-based therapy,we induced them to differentiate into hepatic linage in vitro and in vivo.Our study mainly included three parts of work.1.Isolation,expansion,and biological analysis of human second-trimester AFSCs.

在其诱导分化方向和应用领域方面，我们针对我国肝病的发病形式和目前肝脏再生修复治疗的限制性因素，以分离、培养和鉴定羊水来源干细胞、并将其在体内外诱导分化为肝细胞为目标，建立相应的技术方法，为人类羊水来源干细胞的基础研究和临床应用奠定基础。

The innovations of this paper are as follows:First, the paper has realized to study on the dependence relations between random variables based on copulas, an instrument which is used in this paper as an innovation, in terms of determining the nature and quantification, resorting to the descriptions of dependence properties and association strength and, by way of which, broke through the limitation of study with only depending on independence and linear dependence.

本文的创新点集中体现在三个方面：首先，以Copula为基础，通过对股票市场间的相关关系的强弱描述，从定性和定量两方面来实现对尾部相关性的研究，从而突(来源：7b9bA2bBC论文网www.abclunwen.com)破了目前依赖于独立和线性相关，这仅有的两类相依关系的局限。

To study about it ,they looked at 4,589 fifth-graders taking part in the Children's Lifestyle and School Performance Study.857 of them had failed an elementary literacy test.

为了研究它，他们观察了参加"孩子的生活方式"和"学校表现研究"的4589个五年级学生。他们中的857人在一次基本的读写测试中失败。

In this study, the aged watermelon seeds were selected as material, soaked by different concentrations of salicylic acid, calcium nitrate and gibberellic acid (GA3), to study the effects on germination rate, related physiological and biochemical indexes of aged watermelon seeds. The results show that the activity of aged watermelon seeds was obviously increased after soaking, and the best treatment to promote germination was Ca(NO3)210mmol/L. Besides, conductivity and soluble sugar content of seeds lixivium, and MDA content of seeds were decreased obviously after treated by SA, Ca(NO3)2 and GA3, and SA treatment had the best obvious effects.

本试验以自然老化的西瓜种为试材，采用不同浓度的水杨酸、硝酸钙、赤霉素预浸种处理，研究其对老化西瓜种子萌发及相关生理生化指标的影响，结果表明：不同处理均可显著提高老化西瓜种子活力，以10mmol/L的Ca(NO3)2处理促进萌发的效果最为明显；不同处理均能明显降低种子浸出液电导率、可溶性糖含量及种子中丙二醛含量，以水杨酸的各处理效果最好。

This study aims to make a localized study on the customer loyalty of service enterprises.

本文对服务企业的顾客忠诚作了一次本土化研究尝试。

Such a study is not a true longitudinal study.

这样的方法并不是真正的贯时性研究。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了