衰變壽命 的英文怎麼說

Harm : long - term and hollow take candy, can make the person becomes anile, as a result shortens life

危害：長期空腹吃糖，可使人變得衰老，以致縮短壽命。

The fatigue behavior of strength, stiffness, and deformation of concrete is analysed systematically. the fatigue equation is established. the empirical expressions of the total longitudinal strain and the elastic modulus are given, and the relationships between the increasing rate of the total second - stage strain and the decreasing rate of the elastic modulus with the cyclic number are obtained

系統地分析了砼抗拉、拉-壓疲勞強度、剛度、變形規律；建立了相應的s - n關系，提出了縱向總應變、彈性模量的經驗公式，及其第二階段總應變增長率、彈性模量衰減率分別與疲勞壽命的關系式。

The life time of the metastable n - phase state is evaluated explicitly in term of the instanton method

對于亞穩的-位相態，我們利用瞬子技術計算了它的衰變率或壽命。

The reason to cause this phenomenon is due to the change of electric field in the blue oled to induce the probality of the carrier shifted and the hole - electron recombination zone changed, which was a possible alternative to achieve color display. 3 ) device with the structure of ito / npb / adn : balq3 / alq3 / mg : ag was fabricated. when the balq3 dopant concentration was about 25 mol %, a high performance devcie with luminous efficiency of 1. 0 lm / w, the peak of emission spectrum at 440 nm, the cie coordinate at ( 0. 18, 0. 15 ), and half lifetime of unencapsulated device about 950 hrs was achieved

導致本現象的原因是由於各有機層電場強度的變化影響了空穴和電子的隧穿幾率，從而導致載流子的復合區域發生改變而發出不同顏色的光; 3 ）制備了結構為ito / npb / adn : balq3 / alq3 / mg : ag的藍光oled ，空穴阻擋材料balq3的摻入顯著影響了oled的光電性能，當balq3的摻雜濃度為25mol %時， oled的發光效率為1 . 0lm / w ，發光光譜的峰值為440nm ，色純度為（ 0 . 18 ， 0 . 15 ） ，未封裝器件的半衰期達到了950小時; 4 ）在藍光材料adn中摻雜npb 、 balq3和tbp三種材料時，不僅改善了器件的發光亮度和色純度，而且提高了器件的發光效率和壽命。

Nuclear energy - measurement of radioactivity in the enviromment - air - radon 222 : methods for spot measurement of the alpha potential energy of short - life decay products of radon in the atmospheric environnement

核能.環境中放射性的測量.空氣.氡222 :大氣環境中氡的短壽命衰變產物的位能的現場測量方法

Nuclear energy - measurement of radioactivity in the enviromment - air - radon 222 and its short - life decay products in the atmospheric environment : their origins and measuring methods

核能.環境中放射性的測量.空氣.在大氣環境中氡222和其短壽命衰變產物:它們的來源和測量方法

Nuclear energy - measurement of environmental radioactivity - air - radon 222 : methods for integrated measurement of the alpha potential energy of short - life decay products of radon in the atmospheric environment

核能.環境中放射性的測量.空氣.氡222 :大氣環境中氡的短壽命衰變產物的位能的綜合測量方法

Decaying with relatively short lifetime. used of subatomic particles

衰變的具有相對較短的壽命而衰變，常用於亞原子粒子

Long - term and hollow take candy, can affect human body more all sorts of normal function, make human body becomes feeble as a result shortens life

長期空腹吃糖，更會影響人體各種正常機能，使人體變得衰弱以致縮短壽命。

This paper introduces some models of pavement operational performance ( including pavement structural remaining life, pavement condition index pci skid resistance index and international roughness index iri ) in term of application of apms

根據國內外常用的機場道面性能模型研究狀況和道面管理系統的特點，介紹了道面結構剩餘使用壽命、道面狀況指數pci 、道面防滑性系數?和道面國際平整度指數iri常用的衰變模型。

Meanwhile, it was found that there was a relationship between the depletion width and the number of cycles [ n ( 50 % ) ] which the polarization degraded 50 % in the experiment. with this relationship, we can predict the ferroelectric films " service life

並且我們發現修正的損耗層寬度與鐵電疲勞極化衰變50的循環次數值[ n （ 50 ） ]有一定關系，可以用這個關系預測鐵電薄膜的使用壽命。

Empirical expressions of the total longitudinal strain and the secant modulus are given. in addition, the relationships of the increasing rate of the total second - stage strain and the decreasing rate of the secant modulus with the number of cycles are obtained respectively

給出了縱向總應變、割線模量的經驗公式，及其第二階段總應變增長率、割線模量衰減率分別與疲勞壽命的經驗公式。