aYouth means a temperamental predominance of courage over timidity,of the appetite for adventure over the love of ease.This often exists in a man of sixty more than a boy of twenty.Nobody grows old merely by a number of years.We grow old by deserting our ideals. 青年时期意味勇气一个气质...
35、mechanicallysemiconductor switching deviceswitching device designed to make or break the current in an electric circuit by means of the controlled conductivity of a semiconductor in that circuitNOTE 1 In a circuit where the current passes through zero (periodically or otherwise) the effect of “...
no. en 837-1 : 1996 epage 9en 837-1 : 1996bsi 1998forewordthis european standard has been prepared bytechnical committee cen/tc 141, pressure gauges contentspagethermometers means of measuring and/or recording temperature during the distribution of refrigerated frozen and quick-frozen products, ...
BS EN ISO 5167-2-2003 用插入圆截面管道中的压差装置测量流体流量.节流孔板 (Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Orifice plates) BS EN ISO 5167-3-2003 用插入圆截面管道中的压差装置测量流体流量.喷嘴和文杜利喷...
BS ISO 15730-2001金属和其他无机涂层.采用电解抛光精加工和钝化不锈钢Metallic and other inorganic coatings - Electropolishing as a means of smoothing and passivating stainless steel BS ISO 15741-2002油漆和清漆.岸上和近海铺设的无腐蚀气体钢管道内侧的减小摩擦涂层Paints and varnishes - Friction-reduction coat...
BS ISO 11166-1-1997银行业务.用不对称算法的平均值进行键控管理.第1部分:原理,程序和格式Banking. Key management by means of asymmetric algorithms. Principles, procedures and formats BS ISO 11168-1996火花塞和热线点火塞用管套扳手Socket wrenches for spark and glow plugs ...
The data are presented as the means ± SEMs of three or more independent experiments, and a p value < 0.05 according to the t tests was considered to indicate statistical significance. Results The J bs-5YP peptide can cross the blood–brain barrier to enter the brain Under TEM, J bs-5...
Sports betting is an act of placing your money in a wager that involves a certain sport. The wager could be anything as long as people are betting on it. To be honest, as compared to casino gambling, sports betting has the widest variety of bets that you can place. As someone who’s...
The BS/MD is the most sought-after dual-degree program. Incoming classes are typically very small and acceptance rates are very low, often below 5%.Remember, many students mature and hit their stride in college, not high school. If your high school grades, test scores, and extracurricular ...
BS EN 584-2-1997 无损试验.工业用X射线照相胶片.参考值法控制胶片工艺 (Non-destructive testing - Industrial radiographic film - Control of film processing by means of reference values) BS EN 586-1-1998 铝和铝合金.锻造.检验和验收技术条件 (Aluminium and aluminium alloys - Forgings - Technical con...