The term "half-life" refers to the time it takes for a specific isotope's radioactivity to reduce by half from the original value. This term is often used for metals such as zinc or copper. Answer and Explanation: The half-life of Mirtazapine is about option...
What is the half-life of fluconazole? (氟康唑的半衰期是多久?)相关知识点: 试题来源: 解析 30小时 氟康唑是一种三唑类抗真菌药物,其半衰期主要取决于患者的肾功能状况。在肾功能正常的成人中,氟康唑的平均消除半衰期约为30小时。由于该药物主要通过肾脏代谢(约80%以原形经尿液排出),肾功能不全或透析患者的...
What is the half-life of an isotope that decays to 6.25{eq}\% {/eq} of its original activity in 40.0 hours? ___ hours Radioactivity: Radioactivity is a natural decay process in which heavy and unstable nucleus decays into lighter and stable nuclei....
What is half life period. 04:06 Write two difference between chemical reaction and nuclear reaction. 06:34 What is Q value of a nuclear reaction? 04:56 State two uses of radio carbon dating. 04:42 How many alpha and beta particles will be emitted by an element 84^(A^... 06:05 Cal...
已知氡的半衰期为4天,经过8天等于经过8/4=2个半衰期。每次半衰期剩余量减半,经过2次后剩余量为原量的(1/2)^2=1/4。选项分析:A. 1/2(仅经历1个半衰期的结果,错误。)B. 1/4(符合2个半衰期的计算,正确。)C. 1/8(需3个半衰期,不符合8天条件。)D. 1/16(需4个半衰期,超出时间范围。)故选B。
What is half life time and life time of a reaction ? 02:17 Calculate the rate constant of a reaction (first order) which is 90% c... 04:12 What is half time period ? A first order reaction takes 69.3 minutes f... 04:15 The rate constant of first order reaction is 0.346 min^(...
Originally designed to help cover burial costs and care for widows and orphans, life insurance is now a flexible financial product. Just over half of Americans have some sort of life insurance coverage, according to the latest ownership data from LIMRA, an insurance research organization ...
40 What is meant by the half-life of a radioactive isotope? A half of the time taken for all of the original nuclei to decay B the time taken for half of the original nuclei to decay C the time taken for the charges on all the nuclei to halve D the time taken for the mass of...
half部分是message的同位语:half invitation and half forcing, invite vt. 邀请;招致。—— invitation n. 邀请;招惹。 force n. 力量;武力;暴力;权力;vt. 迫使;强迫 主句部分:That whispered message is what most of us think of when we hear the words peer pressure. what部分是表语从句:what most of...
As a mountain climber, Aron is used to taking risks. 作为一个登山者,阿伦习惯了冒险。 This is one of the exciting things about doing dangerous sports. 这是危险运动令人兴奋的原因之一。 There were many times when A...