• 使氢化反应过程更环保

    13-06-29 Researchers from McGill University, RIKEN (The Institute of Physical and Chemical Research, Wako, Japan) and the Institute for Molecular Science (Okazaki, Japan) have discovered a way to make the widely used chemical process of hydrogenation more en...

  • 科学家发现使裸鼢鼠免疫癌症的化合物

    13-06-20 Two researchers at the University of Rochester have discovered the chemical that makes naked mole rats cancer-proof. The findings could eventually lead to new cancer treatments in people, said study authors Andrei Seluanov and Vera Gorbunova. Their...

  • 印刷方法的革新促进有机电子学的发展

    13-06-03 Through innovations to a printing process, researchers have made major improvements to organic electronics -- a technology in demand for lightweight, low-cost solar cells, flexible electronic displays and tiny sensors. The printing method is fast an...

  • 被动语态如何翻译

    13-06-03 一、译成汉语主动句 将英语被动语态译成汉语主动语态的方法一般包括以下几种: (一) 保存原文主语 当英语被动句中的主语为无生命的名词,而且句中不出现由by引导的行为主体时,翻译时往往将原句中的主语仍然译成主语。 The meeting is scheduled for April 6th. 会议...

  • 废弃硫磺可用于改进电池效能

    13-04-15 A new chemical process can transform waste sulfur into a lightweight plastic that may improve batteries for electric cars, reports a University of Arizona-led team. The new plastic has other potential uses, including optical uses. The team has succe...

  • 孕妇过多接触三丁基锡易导致后代肥胖

    13-01-16 Exposing pregnant mice to low doses of the chemical tributyltin(三丁基锡) -- which is used in marine hull(船体,外壳) paint and PVC plastic -- can lead to obesity for multiple generations without subsequent exposure, a UC Irvine study has found....

  • chemical castration 化学阉割

    13-01-16 A convicted pedophile will be offered chemical castration for the first time in South Korea, local media reported Tuesday. 韩国媒体周二报道,韩国将对一名恋童癖罪犯实施化学阉割,这是韩国首次动用此刑。 上面报道中的chemical castration就是化学阉割,是对...

  • 普通玻璃也有非凡特性

    13-01-07 Technologically valuable ultrastable(超稳定的) glasses can be produced in days or hours with properties corresponding to those that have been aged for thousands of years, computational and laboratory studies have confirmed. Aging makes for higher...

  • 植物组织生长研究获突破

    12-12-04 Plants grow upward from a tip of undifferentiated tissue called the shoot apical(顶上的) meristem(分生组织) . As the tip extends, stem cells at the center of the meristem divide and increase in numbers. But the cells on the periphery(外围,边缘...

  • 生产化学物质的更好方法

    12-12-03 Bulk solvents, widely used in the chemical industry, pose a serious threat to human health and the environment. As a result, there is growing interest in avoiding their use by relying on mechanochemistry(机械化学) -- an energy-efficient alternativ...