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"People need to zone out for a bit to get back their concentration," Coker said on the university's website www.unimelb.edu.au

科克在发表於该大学网站的研究报告称：『人们需要开个小差来重新集中他们的注意力。

"People need to zone out for abit to get back their concentration,"Coker said on the university's websitewww.unimelb.edu.au

研究负责人、墨尔本大学管理和营销系的布兰特·科克说：&工作时的网络休闲&有助于集中员工的注意力。

"People need to zone out for a bit to get back their concentration," Coker said on the university's website （ www.unimelb.edu.au

研究负责人、墨尔本大学管理和营销系的布兰特·科克说：&工作时的网络休闲&有助于集中员工的注意力。

J'ajouterai une chose : dans l'histoire, on a toujours constaté que les appels au boycott étaient inefficaces, dans tous les sens.

我还要补充一点：在历史上，人们总是发现抵制起不到作用，在任何方面。

Solitude au coucher de soleil... Visit My Portfolio

我在那个角落看着世界--《享受。。。

These catalysts were evaluated by a liquid phase hydrogenation of crotonaldehyde to crotyl alcohol and characterized by X-ray diffraction, transmission electron microscopy, and X-ray photoelectron spectroscopy.

采用沉积－沉淀法制备了纳米Au/TiO2催化剂，以X射线衍射、透射电子显微镜、X射线光电子能谱等手段对催化剂进行了系统的表征，并考察了该催化剂在巴豆醛液相加氢制巴豆醇反应中的催化性能。

Condensation of cinnamaldehyde with methyl crotonate in the presence of alcohol-flee potassium methoxide gives,after hydrolysis,p-phenyl-benzoic acid in low yield.Its structure has been ascertained by direct comparison with an au- thentic sample.

桂皮醛与α-丁烯酸甲酯在催化剂去醇的甲氧基钾影响下进行反应，得到低产率的对-苯基-苯甲酸，共结构经用已知方法所得同样的酸直接加以比较而确定。

It is the first time to use the " soft ball model" theory of duster to explain the structure of Yn ( n=2-8),and adopt the "shell model" theory and assigning equally delocalize valence electrons of cluster to elucidate the relativity of structure and stability of doped cluster of noble metal Au,,Y(l -9) successfully.

首次利用团簇的&软球模型&理论解释了Y_n(n=2-8)的基态结构，采用团簇的&壳层模型&和价电子离域均分理论成功地阐明了贵金属掺杂团簇Au_nY(n=1-9)的结构与稳定性的关系。

The author mainly discusses the research progresses on the transport forms and depositional mechanisms of gold.

本文主要概述国外Au的迁移形式及沉淀机制研究的进展。

After analysis of hydrocarbon to different kinds of ore, rock and inclusion, it is discovered that organic materials had been more or less participated in the mineralization process of Au, Ag, Sn, Pb, Zn, Cu, Sb deposits (include some mid-high temperature deuteric hydrothermal deposits). At the same time, higher content of hydrocarbon has been well preserved to present, even more than tens thousands uμl/kg.

首次系统地对各类矿石、岩石、矿物气液包裹体等进行了烃类组分分析，结果发现，各种金、银、锡、铅、锌、铜、锑等金属矿床(包括岩浆期后中高温热液矿床)的成矿过程均不同程度地存在有机物的参与，至今仍存在很高的烃气含量，甚至高达几万μl/kg。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐