1固定电容器的检测 A 检测10pF以下的小电容。因10pF以下的固定电容器容量太小,用万用表进行测量,只能定性的检查其是否有漏电,内部短路或击穿现象。测量时,可选用万用表R×10k挡,用两表笔分别任意接电容的两个引脚,阻值应为无穷大。若测出阻值(指针向右摆动)为零,则说明电容漏电损坏或内部击穿。 B 检测10PF~0.01μF固定电容器是否有充电现象,进而判断其好坏。万用表选用R×1k挡。两只三极管的β值均为100以上,且穿透电流要小。可选用3DG6等型号硅三极管组成复合管。万用表的红和黑表笔分别与复合管的发射极e和集电极c相接。由于复合三极管的放大作用,把被测电容的充放电过程予以放大,使万用表指针摆幅度加大,从而便于观察。应注意的是:在测试操作时,特别是在测较小容量的电容时,要反复调换被测电容引脚接触A、B两点,才能明显地看到万用表指针的摆动。 C 对于0.01μF以上的固定电容,可用万用表的R×10k挡直...
In what felt to him like the first cold morning of the world, he groped for fire. It was a high place where he searched, a lifeless, wind-scoured place, a rough, forbidding shelf of black and splintered rock. Snow, driven by squalls of frigid air, streamed across the black rock in white powder, making shifting veils of white over layers of gray ancient ice that was almost as hard as the rock itself. Dawn was in the sky, but still hundreds of kilometers away, as distant as the tiny sawteeth of the horizon to the northwest. The snowfields and icefields along that far ed
A few years ago, while I was writing Flood Tide, I realized that Dirk Pitt needed some help on a particular assignment, and so I dreamed up Juan Cabrillo. Cabrillo ran a ship called the Oregon, on the outside pletely nondescript, but on the inside packed with state-of-the-art intelligence-gathering equipment. It was a pletely private enterprise, available for any government agency that could afford it. It went where no warship could go, transported secret cargo without suspicion, plucked data out of the airit was the perfect plement to NUMA. In fact, I had so much fun wri
中华人民共和国公务员法(2005年4月27日第十届全国人民代表大会常务委员会第十五次会议通过)第一章 总则 第一条 为了规范公务员的管理,保障公务员的合法权益,加强对公务员的监督,建设高素质的公务员队伍,促进勤政廉政,提高工作效能,根据宪法,制定本法。 第二条 本法所称公务员,是指依法履行公职、纳入国家行政编制、由国家财政负担工资福利的工作人员。 第三条 公务员的义务、权利和管理,适用本法。 法律对公务员中的领导成员的产生、任免、监督以及法官、检察官等的义务、权利和管理另有规定的,从其规定。 第四条 公务员制度坚持以马克思列宁主义、毛泽东思想、邓小平理论和“三个代表”重要思想为指导,贯彻社会主义初级阶段的基本路线,贯彻中国共产党的干部路线和方针,坚持党管干部原则。...
Doyne Farmer and Alletta Belin, 1992 There are many people, including myself, who are quite queasy about the consequences of this technology for the future. K. Eric Drexler, 1992 Introduction Artificial Evolution in the Twenty-first Century The notion that the world around us is continuously evolving is a platitude; we rarely grasp its full implications. We do not ordinarily think, for example, of an epidemic disease changing its character as the epidemic spreads. Nor do we think of evolution in plants and animals as occurring in a matter of days or weeks, though it do
On August 23, the day before the hurricane struck, Max and Bonnie Lamb awoke early, made love twice and rode the shuttle bus to Disney World. That evening they returned to the Peabody Hotel, showered separately, switched on the cable news and saw that the storm was heading directly for the southeastern tip of Florida. The TV weatherman warned that it was the fiercest in many years. Max Lamb sat at the foot of the bed and gazed at the color radar image-a ragged flame-colored sphere, spinning counterclockwise toward the coast. He said, "Jesus, look at that."...
1. 请求建立商业关系的英文书信 Rogers Chemical Supply Co. 10E.22Street Omaha8,Neb Gentlemen: We have obtained your name and address from Aristo Shoes, Milan , and we are writing to enquire whether you would be willing to establish business relations with us. We have been importers of shoes for many years. At present, We are interested in extending our, range and would appreciate your catalogues and quotations.If your prices are petitive we would expect to transact a significant volume of business. We look forward to your early reply. Very truly yours...
《神仙传》神仙传 晋·葛洪序 洪著内篇,论神仙之事,凡二十卷。弟子滕升问曰:“先生曰神仙可得不死,可学古之神仙者,岂有其人乎?”答曰:“昔秦大夫阮仓,所记有数百人,刘向所钻撰,又七十一人。盖神仙幽隐,与世异流,世之所闻者,尤千不及一者也。故宁子入火而凌烟,马皇见迎以获龙,方回咀嚼以云母,赤将茹葩以随风,涓子饵水以著经,啸父烈火以无穷,务光游渊以脯薤,仇生却老以食松,邛疏服石以鍊形,琴高乘鲤于砀中,桂父改色以龟脑,女丸七十以增容,陵阳吞无脂以登高,商丘咀菖蒲以不终,雨师炼五色以厉夫,子光辔虬雷于玄涂,周晋跨素禽于缑氏,轩辕控飞龙于鼎湖,葛由策木羊于绥山,陆通匝遐纪于黄庐,萧史乘凤而轻举,东方飘衣于京都,犊子灵化以沦神,主柱飞行于丹砂,阮丘长存于睢岭,英氏乘鱼以登遐,脩羊陷石于西岳,马丹回风以电徂,鹿翁陟险而流泉,园客蝉蜕于五华。余今复抄集古之仙者,见于仙经服食方及...
人人皆当成佛人人皆当成佛元音老人讲述【本文是由明如、明仁二居士根据元音老人生前(1995年)在青岛所作的一次开示录音整理而成的。原整理稿附有前言和后记,今只取开示的正文部分。】阿弥陀佛!你们都好。你们善根具足,有福德,所以能修道,将来必有大成就。这是你们过去世所种的善根,不然的话,就不能修道。所以我们师父说(指王骧陆大居士):‘能遇到这个法,这是无上的善根,不然的话,就不能修这个法,即便修,也修不下去。’你们能虔心诚意地修这个法,说明你们有善根、福德具足,只要坚持修下去,必定有大成就。本来我们一切众生,都有像释迦牟尼佛一样的无漏智性,一切众生都有。只是我们都迷住外相、追逐外相而忘失了本来。我们只要回头就行了。所以我常说,学佛成道没有难处。因为本来一切具足,都有佛性,不是我们没有佛性,佛性不是修出来的。学道人要成道,根本处在悟。大道在悟不在修。悟,就是明悟、醒悟。‘啊...
1、神要是公然去跟人作对,那是任何人都难以对付的。(《荷马史诗》)2、生存还是毁灭,这是一个值得思考的问题。(《哈姆霄特》)3、善良人在追求中纵然迷惘,却终将意识到有一条正途。 ( 《浮士德》 )4、认识自己的无知是认识世界的最可靠的方法。 ( 《随笔集》 )5、你以为我贫穷、相貌平平就没有感情吗? 我向你发誓,如果上帝赋予我财富和美貌,我会让你无法离开我,就像我现在无法离开你一样。虽然上帝没有这么做,可我们在精神上依然是平等的。 ( 《简·爱》 )6、大人都学坏了,上帝正考验他们呢,你还没有受考验,你应当照着孩子的想法生活。 ( 《童年》 )7、你越没有心肝,就越高升得快;你毫不留情地打击人家,人家就怕你。只能把男男女女当作驿马,把它们骑得筋疲力尽,到了站上丢下来,这样你就能达到欲望的最高峰。 ( 《高老头》 )...
作者简介林永强:上海天联广告执行创意总监。16年广告经验,先后于香港奥美广告(Ogilvy &Mather)、达彼思广告(Bates)、天高广告(BBDO)、灵智广告(Euro RSCG)等跨国广告公司任职文案及创意总监。2003年初踏足内地,加入上海达彼思广告(Bates)任创意总监,2004年中转投上海天联广告(BBDO/CNUAC)担任创意群总监一职,2006年9月升任副执行创意总监。2008年4月升任上海执行创意总监,执掌上海BBDO创意部。曾获香港、亚太及国际广告创意大赛逾200个奖项。出版社:中信出版社大到做人做事、游戏规则,小到一颦一笑、举手投足,都以极“规则”的幽默款款道出,字字珠玑,行行溢出一个国际创意总监的智慧。...