廿

以水中溶解氧为氧源，n型半导体，特别是TiO2为催化剂的光催化氧化是近廿年来水处理领域的研究热点之一。

Photocatalytic oxidation of n-type semiconductor using dissolved oxygen in water as O source , has already become a research focus in water treatment field in the last twenty years .

距离那两个孩子有廿远。

Twenty feet away from two dead kids .

前列腺素E1前体&全顺式-8,11,14-廿碳三烯酸的合成

The synthesis of pge_1 precursor & all cis-8,11,14-eicosatrienoic acid

根据现在的了解，能产生有意义含量的廿碳五烯酸（EPA）和廿二碳六烯酸（DHA）的微生物有真菌和藻类。

Fungi and algae have been found to yield significance amount of Eicosapentaenoic acid ( EPA ) and docosahexenoic acid ( DHA ) .

目的研究15-羟廿碳四烯酸（15-HETE）对正常及缺氧状态的离体大鼠颈内动脉环的作用，探讨15-HETE在缺血/缺氧性脑损伤的病理生理过程中的作用。

Aim To evaluate the effect of 15-hydroxy eicosatetraenoic acid ( 15-HETE ) on the tension of isolated internal carotid artery ( ICA ) rings in normoxic or hypoxic rats in order to find out the pathophysiological effect of 15-HETE in ischemic / hypoxic brain tissues .

15-羟廿碳四烯酸对缺氧性大鼠颈内动脉环的收缩作用及机制

Contractile effect and mechanism of 15-HETE on hypoxic rat ICA rings

廿世纪中国作家传统文化心态论析

The Traditional Mentality of China 's Men-of-Letters in the 20th Century

廿世纪物理学革命的哲学思考

The Philosophic Thinking of the Revolution in Physics in the Twentieth Century

抚今追昔清华廿年

Comparing the Present with the Past , 20 Years of Tsinghua University

正廿面体病毒衣壳参数的研究

Study on the Parameters of the Capsid of Icosahedral Viruses

20-羟廿碳四烯酸在低碳酸血症犬脑血管收缩中的作用

Role of 20 - hydroxyeicosatetraenoic acid in hypocapnia-induced cerebral vasoconstriction in dogs

廿周太阳质子事件的最大熵谱分析

The Maximum Entropy Spectral Analysis of Solar Proton Events of Cycle XX

短暂性脑缺血发作时血浆中花生四烯酸和廿碳五烯酸含量的变化

The changes of AA and EPA concentration in plasma in attack of TIA

15-羟廿碳四烯酸对大鼠缺氧性肺动脉环的作用

Effect of 15-HETE on the hypoxic pulmonary arterial rings

上海某廿层高层住宅超短桩基础设计

Extra-Short Pile Foundation Design of A 20-Story Residential Building

后者的理论是在最近廿年内建立的。

The theory for the latter limit has been established in this decade .

廿世纪的代言人：贺施蛰存先生百岁寿辰

A Spokesman of the Twentieth Century-Congratulations on Mr. SHI Zhe-cun 's Hundredth Birthday

正廿面体病毒的圆球度及其与等效球间关系的研究

The Sphericity of Icosahedral Viruses and Correlation of the Sphericity with Equivalent Spheres

大量研究证实，廿烷五烯酸能影响免疫功能，预防疾病的发生。

Many researches have proved that EPA can affect immune function and prevent diseases .

滇西近廿年断层形变与地震的关系

Relationship between fault deformations and earthquake last 20 years within Sichuan and Yunnan provinces

正廿面体病毒的三角形剖分数的数学分析

Mathematical analysis of icosahedral virus ' triangulation number

廿烷五烯酸协同顺铂对肺腺癌细胞株的影响顺式－13－廿二碳烯酸

Synergistic effect of eicosapentaenoic acid and cisplatin on A-549 human lung cancer cell line

我在这里已经等待了有廿分钟。

I have waited here for twenty minutes .

你将廿年来的怨愤一次发泄。

What you did was unleash 20 years of repressed feelings in one night .

兰州市郊鸟类群落廿年演替

On The Birds Community Succession For Twenty

谢谢您六月廿日寄给我们的样品。

Thank you for the samples , which you sent to us on June 20 .

此报价以在一月廿日或一月廿日之前收到你的答复才有效。

This quotation is subject to your reply reaching here on or before January of20 .

我估计他们有廿人。

I put their number around 20 .

牛津廿世纪英国诗选

Oxford Book of Twentieth-century English Verse

富含廿碳五烯酸海洋鱼油在体内外对血小板功能的影响

Action of eicosapentaenoic acid rich marine fish oil on platelet function in vitro and in vivo