查询词典 recent years

In recent years, many metalloporphyrins were synthesized to catalyze the oxidation reaction.

对P-450活性中心的结构和功能模拟引起了人们的极大兴趣。

The chiral metal complexes are mainly used on the chiral catalytic reaction as catalyzer. In recent years,some high activity chiral catalysts brought more and more people\'s attention.

手性金属配合物的主要用途是作为催化剂在手性催化反应中应用，近年来一些高活性手性催化剂的开发应用越来越引起人们的重视。

In recent years, below the catchword of occupational desktop, the competition of all sorts of function software comparatives all the time intense.

近年来，在占领桌面的口号下，各种功能软件的竞争一直相当激烈的。

The article in recent years the research progress of disease of oral cavity of TP prevention and cure makes one overview. The compositive TP of the basic research 1.1 TP of 1 TP is the floorboard that phenolic apperception of a kind of many hydroxyl closes matter, 25% what hold tea dry weight about, its are main component includes to express gallnut of gallnut catechu element gallnut of element of catechu of gallnut of acerbity ester, watch, watch catechu element is acerbity element of catechu of ester, watch, express gallnut of gallnut catechu element among them acerbity ester content is highest, occupy the 80%[1] of catechu element about, fighting oxidation with its unique element structure, fight the position with fight the respect such as tumor to have choppy, significant. The 1.2 TP absorption in oral cavity and metabolization Lee [2] is measured normally inside a hour after healthy person is chewing green tea Xie Huo contains juice of gargle green tea, content of the TP in saliva is very high, after observing green tea passes salivary enzymatic hydrolyze, TP is slow release and in oral cavity;Yang of local play action [the salivary level after 3] checked 6 volunteers to drink tea, chroma of the TP in making clear the saliva after drinking tea as a result is serous TP pH indicator 2 times, and the salivary TP concentration that contains gargle tea solution a few minutes to be able to produce higher level, and TP can be absorbed through oral cavity mucous membrane.

本文就近年来TP防治口腔疾病的探究进展作一综述。1 TP的基础探究1.1 TP的组成TP是一类多羟基酚类化合物的总称，约占茶叶干重的25%，其主要成份包括表没食子儿茶素没食子酸酯、表没食子儿茶素、表儿茶素没食子酸酯、表儿茶素等，其中表没食子儿茶素没食子酸酯含量最高，约占儿茶素的80%[1]，并以其独特的分子结构在抗氧化、抗突变、抗肿瘤等方面占有重要的地位。1.2 TP在口腔中的吸收和代谢Lee等[2]测得正常健康人在咀嚼绿茶叶或含漱绿茶液后的一个小时内，唾液中TP含量很高，并观察到绿茶通过唾液酶水解后，TP缓慢释放并在口腔局部发挥功能；Yang等[3]检查了6位志愿者饮茶后的唾液水平，结果表明饮茶后唾液中TP浓度是血浆TP浓度的2倍，而含漱茶溶液几分钟即可产生更高水平的唾液TP浓度，且TP可通过口腔黏膜吸收。

The category of Yetter-Drinfeld modules is playing the extremely vital role in the physical quantum Yang-Baxter equation solution, and already became one of hot topics in the recent years studied.

Yetter-Drinfeld模范畴在量子Yang-Baxter方程的求解中起着非常重要的作用，已经成为近年来研究的热点问题之一。

Seeing that many researchers devoted themselves to the study of catenary method in recent years. Based on the standard curve of the catenary, the catenary algorithm of two-end-fixed cableway was studied in this paper, which established state coordinate equation and which used the numerical value method to analyze non-linear equations under the condition offeree equilibrium and condition of deformation compatibility.

为此，近年来不少学者致力于单跨架空索道悬链线理论的研究，本文在此基础上，从索道悬链线的标准线形出发，通过建立状态协调方程，来研究架空索道的悬链线精确算法，计算上采用满足力平衡和变形相容条件为基础的数值分析方法来求解非线性方程组。

It was studied widely in human, mouse, sheep, cattle and dog in recent years due to MHC genes very important roles in organ transplantation and immune response.

近年来，基于MHC基因在器官移植和免疫应答上扮演的重要角色，人们在人、鼠、绵羊、牛、犬等物种上进行了大量的研究。

This article introduces the human tooth fossils on which we have been studying in recent years. They were newly discovered in a cave of the Lion Rock.

宋方义 张镇洪黄志高（宋方义，广东省博物馆；张镇洪，中山大学人类学系；黄志高，曲江县博物馆。

In recent years, the degree ceaselessness is deepened by with our country opening policy , the doubling piece and multilateral pact of all kinds establishing our country and participating in already amount to more than 3,000 , this requires that our country builds system of a set of perfect treaty in the homeland suitable for use right away.

近年来，随着我国对外开放程度的不断加深，我国缔结和参加的各类双边和多边条约已达3000多个，这就要求我国建立一套完善的条约国内适用制度。

Cartoon rendering or cel shading is a new application of non-photorealistic rendering raised in recent years.

卡通渲染技术是近几年兴起的非真实感渲染领域的一个新方向。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。