实验科学

Mengel, a NASA pioneer who later oversaw the Vanguard Program, began experimenting with captured German V-2 rockets.

Mengel，NASA的创始人，后来负责&先锋工程&）一样的科学家用缴获的德国V-2火箭开始了实验。

It took Cockcroft and Walton five years to build a machine that worked. Finally, in April 1932, they had a machine that produced a steady stream of hydrogen nuclei with an energy of about half a million volts. They were carefully measuring the quality of the stream, in no hurry to begin doing nuclear experiments. On the morning of April 13, Rutherford came into their room, saw what they were doing, and lost his temper. He told them to stop wasting their time and do some science. The next day, Cockcroft was occupied with other business. Walton was alone in the laboratory, ready to do the first experiment, using his hydrogen nuclei to bombard a target made of the light metal lithium. The result was spectacular. The lithium nuclei were split in two and fell apart into pairs of helium nuclei.

用了五年时间，考克饶夫和华尔顿建造出了第一台能运行的加速器，最终，在1932年，他们制造出了能够提供稳定氢粒子流的加速器，粒子能量大约为50万伏特，他们并没有急着做核试验，而是精心测量了粒子流的性质，4月13日清晨，卢瑟福来到他们的房间，看到他们还在测量，大发雷霆，告诉他们停止浪费时间，开始科学研究，第二天，考克饶夫就被安排了其他事情，只剩华尔顿一个人在实验室里，准备做第一次实验，用他的氢粒子流轰击用轻质金属锂作的标靶，结果极为壮观，锂原子被分裂成两半形成一对氦原子，氦原子释放出的能量比氢原子注入的多达三十倍！

Perutz M F Structure and Function of Haemoglobin Journal of Molecular Biology , 1965,null

王耀萍%潘冀%牛秀田我国第二次空间蛋白质晶体生长实验中国科学C辑， 1996，2

China Institute of Atomic Energy, P.O. Box 275-34, Beijing 102413, China

中国原子能科学研究院中国实验快堆工程部，北京102413

Reporting earlier this summer in the journal Science, Nuno Sousa of the Life and Health Sciences Research Institute at the University of Minho in Portugal and his colleagues described experiments in which chronically stressed rats lost their elastic rat cunning and instead fell back on familiar routines and rote responses, like compulsively pressing a bar for food pellets they had no intention of eating.

今年初夏的科学杂志上报到，波多黎各Minho大学生命健康研究所的Nuno Sousa 和他的同伴描述了这样一项实验：在长期高压下生活的大鼠失去了他们狡猾的本性，它们宁愿拒绝吃东西，也不会尝试回到熟悉的路线和回忆曾经通过死记硬背掌握的反应，例如强制性的按食物盘子的按钮。

Reporting earlier this summer in the journal Science,Nuno Sousa of the Life and Health Sciences Research Institute at the University of Minho in Portugal and his colleagues described experiments in which chron ically stressed rats lost their elastic rat cunning and instead fell back on familiar routines and rote responses,like compulsively pressing abar for food pellets they had no intention of eating.

今年初夏的科学杂志上报到，波多黎各Minho大学生命健康研究所的Nuno Sousa和他的同伴描述了这样一项实验：在长期高压下生活的大鼠失去了他们狡猾的本性，它们宁愿拒绝吃东西，也不会尝试回到熟悉的路线和回忆曾经通过死记硬背掌握的反应，例如强制性的按食物盘子的按钮。

Effects of mulching thickness on the quality of kentucky bluegrass turf established were studied. The mulching thickness were 1cm, 1.5cm and 2cm.

1997年在中国农业大学科学园区对建植四年的草地早熟禾草坪进行覆土厚度对草坪质量指标影响的实验。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。