衰變型 的英文怎麼說

The theory of alpha decay utilizes this model.

衰變理論用了這種模型。

This paper aims to explore systematically some scientific principles of resource - based cities from their formation and development to contabescence or transformation in the context of theories of resource life cycle and sustainable development. it also discusses the scientific issues of connotation, models and transformation mechanism of resource - based cities, makes an integrated assessment on their sustainable and renewable capiabilities of those cities and brings out several measures and policies for the transformation of resource - based cities in china

本論文的研究目的是從資源生命周期理論、可持續發展理論等出發，系統地分析總結資源型城市從形成、發展到衰亡或轉型的整個過程中的科學規律，探索資源型城市功能變化機制的科學問題，科學界定資源型城市內涵和發展或轉型模式，綜合評定資源型城市可持續發展和再生能力，探索我國資源型城市功能轉型機制和發展模式以及各種途徑與對策。

Conclusions ( 1 ) subacute senile mouse model can be used in immunosenesence reseach. ( 2 ) cd 137 may be an marker of aging. ( 3 ) the protection to aicd of cd137 decreased, indicate the function of cd137 was unusual. ( 4 ) the effect of d - galactose can modelling the different stage of aging. ( 5 ) the decrease of cd 137 expression on t cell from subacute senile mouse model and the aging mouse were due to the declining of their mrna. ( 6 ) the expression of cd 137 on t cells from from subacute senile mouse model and the aging mouse have a time dependently derease and the peak of cd 137 expression appeared earlier while the aging keep going on

結論（ 1 ） d -半乳糖致亞急性衰老小鼠模型t細胞cd137分子表達變化規律與自然衰老小鼠相似，造模兩個月後的大劑量組小鼠即可用於衰老個體cd137分子的相關研究。 （ 2 ）模型小鼠cd137分子表達隨衰老的發生發展呈規律性變化，提示該分子可能為t細胞衰老的分子標志。 （ 3 ）即使在衰老狀態下，機體對cd137分于的表達依然具有調控作用，提示兔疫系統的代償能力仍然存在。

Their statistical models attempted to correct for potential “ confounding variables ”, such as the fact that an economic downturn and financial uncertainty may increase mortality rates regardless of whether there is a banking crisis

他們的統計模型試圖校正潛在的「混淆性變量」 ，例如，無論是否存在銀行業危機，經濟衰退和金融不確定性都可能導致死亡率上升。

On the basis of drawing lessons from the existing research results both at home and abroad, this paper observes the change law of the two financial indexes of nroa and croa from 1997 to 2001, studies the relations between the locations of listed companies and the m & a performance, between the structure of equity of listed companies and the m & a performance, between the industry nature of the listed companies and the m & a performance, between the type of m & a and the m & a performance, and then draws several conclusions that m & a performance is unsatisfactory on the whole, m & a performance of listed companies in eastern china is superior to that of the counterpart in middle or western china, m & a performance of listed companies that the country or the other corporations hold the most share of the listed companies is unsatisfactory on the whole, the growing or mature listed companies can achieve best m & a performance when they implement the m & a horizontally while the listed companies in declining phase may perform the conglomerate m & a the best

在借鑒國內外已有的研究成果的基礎上，本文考察了並購上市公司從1997年到2001年五年時間內凈資產收益率和主營利潤率兩項財務指標的變化規律，研究了並購公司所在的區域與並購績效、並購公司的股權結構與並購績效、並購公司的產業性質與並購績效、並購類型與並購績效等方面的關系，得出了若干結論： 1 、並購績效從總體上來說是不理想的； 2 、東部上市公司的並購績效要優于中部和西部上市公司的並購績效； 3 、國家股或法人股是第一大股東的上市公司的並購績效不理想； 4 、處于成長性產業和成熟性產業的上市公司發生橫向並購績效最好，處于衰退性產業的上市公司發生混合併購績效最好。

We present a charge - transport model of the photorefractive effect with two deep traps ( two deep - trap model ) based on one deep - trap model and shallow - deep - trap model. we also found dark decay behaviors which accord with the two deep - trap model in the two - beam interference experiments. the fast decay - time constant of the space - charge field is obtained as 714s

此外，在ce ： batio _ 3雙光束干涉光折變光柵的暗衰減實驗中，也觀察到了符合雙deep模型的衰減現象，得到光折變空間電場快衰減時間常數714s ，約12分鐘。

The peak of cd 137 expression on t cells from aging mouse appeared earlier compared with normal, and the appearance of the early peak was time dependently with aging. ( 2 ) the expression pattern of cd137 from subacute senile mouse was similar to that of the aging mouse. ( 3 ) the death ratio of t cells from aging mouse were higher than that of the normal level. ( 4 ) mrna of t cells from aging mouse and subacute senile mouse was decreased, and mrna from t cells of model mouse seem have a lower quantity than the aging mouse

提取總rna ，應用rt - pcr方法檢測cd137的mrna水平變化。結果（ 1 ） d -半乳糖致衰老模型小鼠和自然衰老模型的脾臟t細胞上cd137分子表達水平低於正常水平，表達高峰提前出現，隨后表達水平下降遲緩。 （ 2 ）在造模過程中，亞急性衰老模型小鼠cd137分子表達水平逐漸降低，分子表達峰逐漸前移。

We obtain a new quark potential from the effective dilaton - gluon - coupling inspired by superstring theory, and by using this static potential, we explore the mechanism of quark confinement through calculations of the spin - average energy levels, the widths of the leptonic decays and radiative transitions for heavy quarkonium. the obtained results are compared with that of the cornell potenial

由規范場理論的超弦理論所激發的伸縮子一膠子有效藕合，給出了一個新的靜態夸克一反夸克勢，討論了此勢模型下重介子的自旋平均能譜、輕子衰變和輻射躍遷寬度，並與cdrn叭勢模型所得到的相應結果作了比較

Higgs mechanism is very important to the standard model. the theoretical study on higgs boson ' s physical properties and its decay process is significant to find higgs bosons in experiments

標準模型中higgs機制的作用是至關重要的，在理論上研究higgs粒子的各種性質及其衰變方式對于實驗上探測發現higgs粒子有很大的指導意義。

When the audience got tired of these pictures, output decreased, and when another genre became popular, everybody joined the trend, and output increased

它們興衰的主因都是因為某一類型的影片賣座，導致跟風搶拍，直至觀眾看膩了，口味轉變，另一類型影片又賣座，又跟風搶拍，如此不斷循環。

The last theoretical research prove the particle ' s properties and its decay mode has important change in model iii. one maybe obtain much more new physics in model iii. the analysis of present theories show mh + > mt

最近的研究證明在模型下粒子的各種性質及其衰變方式也有重要變化，在模型下有可能得到更多的新物理（ newphysics ） 。

In this paper, we perform the tree - level and one loop correction to two - higgs - doublet decay h tb in model ii and model iii and give diagrams of the trend of tree - level and correction decay width ratio versus tan

）衰變在模型（ model ）和模型（ model ）中的單圈輻射修正，對這兩個模型進行比較，並給出了樹圖級和單圈修正後的兩種模型下的衰變寬度比隨參數tan變化的規律。

Kamioka, situated 300 km west of tokyo of japan, was originally planned to construct a laboratory for the purpose of studying proton decay. the detector was called kamiokande kamioka nucleaon decay experiement. it was ultimately turned into the second solar neutrino detector in history with the assistance of usa in 1984 and was renamed kamiokande ii

座落於日本首都東京以西300公里的神網，本來計劃興建一座大型實驗室用作研究質子衰變，這實驗裝置稱為神網號，后來於1984年在美國協助下，它被改建為有史以來第二個探測太陽中微子的實驗室神網2號。

Consequencely, the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, and the back - analysis and the prediction of the parameters of the dam system have been done according to the operating observed data. the research work involves several aspects as follows : 1 ) a back - analysis model including the prior information and a predictive model of nonlinear time series were established ; 2 ) the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, in which the analysis module of the loading effects, the back - analysis module, the forecasting module of the physical parameters and the assessment module of the operating state were contained ; 3 ) according to the operating observed data, the operating state of the dam was assessed and predicted with the analysis system of the operating state, the results suggested that the dam is in basically normal operation at present

具體工作有以下幾方面： 1 ）收集整理漫灣水電站大壩運行監測資料，並對其進行了系統分析，從觀測資料本身直觀的分析了大壩的運行狀況； 2 ）總結位移反分析的理論及方法，建立了考慮先驗信息多介質位移反分析模型，基於神經網路非線性映射功能，建立了神經網路時間序列預測模型； 3 ）以ansys軟體為平臺，開發了漫灣水電站砼重力壩運行狀態評價模塊，結合荷載效應分析、參數反演分析、參數預測分析三個模塊組成漫灣水電站砼重力壩運行狀態分析系統；實現了對漫灣水電站運行狀態的動態「反演-預測」分析； 4 ）利用漫灣水電站砼重力壩運行狀態分析系統，在漫灣大壩實測資料分析、大壩砼特性參數反分析、大壩砼彈性模量衰變規律及預測分析的基礎上，系統的分析並預測了大壩運行狀態。

The pdg discussion of cp violation can be used to supplement the discussion in class, available at cp violation in b decay - standard model predictions ( pdf )

電荷共軛和宇稱破壞的粒子物理資料組討論可作為課上討論的補充，在" b介子衰變的電荷共軛和宇稱破壞標準模型的預測（ pdf ）處可得。

Each radioactive nucleus of a particular kind is responsive to a fixed decay probability per unit time.

每個特定類型的放射性原子彈對單位時間內一個固定的衰變幾率作出響應。

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。

A new type of battery based on the radioactive decay of nuclear material is 10 times more powerful than similar prototypes and should last a decade or more without a charge, scientists announced

一種以核子物質放射衰變為基礎的新型電池，電力比類似的原型強上十倍，在不充電的情況下應可維持十年以上，科學家宣布。

That means the decay h tb has larger decay width and then is more observable in model iii than in model ii

）的衰變寬度比_ / _將會變得很大。這意味著模型將會在實驗上有更大的可觀測效應。

Transformation of the government function and economy of resource - exhausted cities

政府職能轉變與資源衰竭型城市經濟轉型