lead element 中文意思是什麼
lead element
解釋
長機組-
Finite element method ( fem ) is an approximate solution in engineering, there exists some error in the analysis result, so it is important to check the result and to geta right view of the result in the analyzing process, then this can lead the right analysis in the next step
摘要有限元法是一種工程近似求解的方法，存在誤差，所以在用有限元軟體進行工程分析計算時，很重要的一點是分析過程中必須審視分析的結果，對結果有正確的認識，從而指導工程分析的正確進行。 -
Through the study of characteristic of macroelement, microelement, rare - earth element, oxyhydrogen isotope, sulfur isotope, lead isotope, fluid inclusion etc, a conclusion can be drawn that metallogenic substance comes from the upper mantle with mixing of some substance from the upper crust latter. it is likely to have the same source with the surrounding rock
通過對礦床的常量元素、微量元素、稀土元素、流體包裹體特徵、氫氧同位素、硫同位素、鉛同位素等特徵的研究，認為成礦物質主要來源於上地幔，與周圍巖石存在著同源的可能性，後期有一定的上地殼物質混入，成礦作用有三期，分別與區內的花崗巖、二長花崗巖脈、雲煌巖脈有關。 -
Children with attention drawback hyperkinetic disorder and their blood lead and other trace element levels
兒童多動癥與血微量元素水平關系的探討 -
Using the lead as the displaying element, how the variation of the material " s density affects the counts of the lead area is studied. a method measuring the material " s density and adjusting the water content is introduced
以鉛為指示元素，探討了物質密度的改變對鉛區計數的影響，提出了一種測量物質密度和對水分含量進行校正的方法。 -
Made without using lead oxide as tradional way, avoiding hurtful lead element, but increasing the content of zinc, a trace element helpful to human body
製作過程中不用氧化鉛，使用先進行無鉛工藝加工而成，免除了有害鉛無素，增加了對人體有益的微量鋅無素色澤鮮艷、進口醇香、宴請佳肴、饋贈禮品。 -
Harmonized blank detail specification for lead screw actuated non - wirewound preset potentiometers - square form, container sealed, actuating device insulated from resistive element, slipping clutch at each end of travel, rigid terminations - assessment level s
導螺桿傳動非線繞預調電位器協調空白詳細規范.正方形的容器密閉的與電阻元件絕緣的驅動裝置每個行程終止的滑動離合器剛性終端.評定級別s -
It is shown that the effects of the stiffness and inertia of the piezoelectric element that lead to higher first natural frequency on the natural frequencies of the beam are significant, and that of the elastic modulus of the bonding layer is small
研究表明，壓電元件的剛度和慣量對梁的頻率影響很大，變截面智能壓電梁的一階固有頻率總是高於等截面梁的固有頻率。 -
Based on the analyses of the physical and mechanical properties of ore / rock and the behavior of ground stress field in the deep deposit of fankou lead - zinc mine, the authors researched the unloading measures to prevent and control rock burst in mining the deep deposit, and carried out numerical simulations of the stress distribution under different unloading mining situations by means of 3 - d elastic - plastic finite element program, so as to give decision - making basis for controlling rock burst in exploiting the deep deposit of fankou lead - zinc mine
根據凡口鉛鋅礦深部礦巖體的物理力學性質及地應力場特性，對凡口礦深部礦床開採的巖爆防治措施進行了研究，並應用三維彈塑性有限元程序對各種防治措施引起的應力分佈進行了數值模擬分析，以期為凡口鉛鋅礦深部礦床開採的巖爆控制提供決策依據。 -
According to the comparison and analysis of mineral composition and geochemical characteristics of trace element, sulfur isotope, hydrogen and oxygen isotope, lead isotope and rare earth element in the gold ore and the altered spilite from the deposits of huachanggou gold mine, it was confirmed that the gold ore had obvious succession of the basic igneous rock
摘要通過對鏵廠溝金礦床金礦石和蝕變細碧巖礦物組成、微量元素、硫同位素、氫氧同位素、鉛同位素及稀土元素地球化學特徵地對比分析，得出金礦石對該基性火山巖存在明顯的繼承性。 -
Determination of lead element content for compound fertilizers
復混肥料中鉛的測定方法 -
The authors use etabs program to build finite element model of the seismic - isolation structure, through time - history analysis of the structure which uses the lead rubber hearing setting with different initial shear stiffness, and give reasonable advice to setting initial shear stiffness of the lead rubber bearing used in the seismic - isolation design
摘要運用etabs建立隔震結構的有限元模型，對鉛芯隔震橡膠支座屈服前剛度不同取值的隔震結構進行了時程分析，通過對比分析，給出了隔震設計中的鉛芯隔震橡膠支座屈服前剛度取值的合理建議。 -
This paper introduces the development and present situation of vibration absorb technology in the world ; generally analysis the rubber - bearing ( rb ) and lrb " s operative mechanism, function and the calculation of parameter ; advance the concept of standardization to lrb ; on the basis of generally analyzing the connected factor such as the site category, the diameter of lead bar, the height of bearing, the designing carrying capacity, the span of bridge, the inherent period and the displacement of rb, determine the parameter, the absorbing vibration target, the method and the process of standardization to lrb ; then according to the two - step rule of resisting and defending earthquake, and combining with the response spectrum theory in the seismic vibration of bridge, make a lot of calculation and analysis of vibration absorb design to the real bridge collected and combined by finite element program ; at last, gives the result of standardization through diagram and explains to its usage
本論文介紹了國內外減震技術的發展和現狀；綜合分析了普通板式橡膠支座和鉛銷橡膠支座的工作機理、性能及參數的計算；提出了鉛銷橡膠支座標準化的概念；在綜合分析場地土、鉛銷直徑、支座高度、設計承載力、橋梁跨徑、固有周期以及支座變位等影響因素的基礎上，確定了鉛銷橡膠支座標準化的參數、減震目標、方法和過程；並根據抗震設防兩階段原則，結合橋梁地震振動理論的反應譜法，運用有限元程序對收集和組合的實橋進行了大量減震設計的計算和分析；最後以圖表的形式給出了鉛銷橡膠支座標準化的結果，並說明了其使用方法。 -
Abstract : with the rapid development of industry and transportation ， the pollution of lead ， a widely used heavy metal element being very harmful to human ， has extended from occupational environment to daily environment ， and is being paid more and more attention to. in view of the severity of enviromemtal lead pollution ， harm of chronic lead poisoning to children ' s growth and intelligence development ， and the defects of the agents to remove lead available now ， this paper emphasizes the significance and importance to explore high effective ， no side - effect antidote to chronic lead poisoning ， points that using natural materials to prevent and treat chronic lead poisoning is a significant direction to explore ， and reviews the studies in the area
文摘:本文從鉛污染的生活環境化、低濃度環境鉛污染對兒童發育和智力的阻礙、傳統驅鉛劑存在的問題論述了探索高效、安全、無毒副作用驅鉛劑對防治環境鉛污染慢性中毒的重要性，介紹了國內外利用天然產物防治鉛中毒的研究概況及進展，指出利用天然產物防治鉛中毒是一項很有意義的探索方向。 -
The paper focuses on the two questions much concerned on the chinese stock market, that is, the dividend policy and the capital structure of listed companies. combining the present theoretical development as well as the practice, the paper defines the dividend policy as the result of the cooperation and the competitive negotiation among different interest entities. it also points out that the capital structure is the key element to decide the competitive power, of which quantity and quality lead to the discrepancy of the distribution level
本文從目前在中國證券市場上被各界廣泛關注的兩個焦點問題? ?上市公司的股利分配和股權結構的關系入手，結合當前理論發展趨勢以及各國實踐，將股利政策定義為不同利益主體的合作與競爭性談判結果，而股權結構是決定各主體競爭實力的關鍵要素，其量和質兩個維度的共同作用決定了現實世界股利支付水平的差異。 -
The main research is as follows : analyze and research the boundary constraint and the structure characteristic and segment the frame making use of the shell element, the pipe element etc. on the base of it the practical finite element model has been established ; analyze the mode of the frame by dint of the finite element model. and get the inherent frequency and the vibration mode of the frame. tentatively estimate the dynamic characteristic of the frame and analyze the inherent frequency that may be lead to the resonance
論文的主要研究工作如下：分析研究車架的邊界條件和結構特性，並用殼、管等單元對該車架進行離散，建立一種切實有效的車架有限元模型；對該車架的有限元模型進行模態分析，求得其的固有頻率和振型，並對車架的動態特性做出初步評估，分析可能引起車架振動的固有頻率；在模態分析基礎上，研究發動機輸出的簡諧力引起的車架位移響應（即諧響應分析） ，以考察摩托車車架各部位的振動情況並與模態分析對比，分析是否與該車架的固有頻率相耦合而導致共振；在深入研究車架的模態分析及諧響應分析、清晰地認識了摩托車車架動態特性的基礎上，分析並提出了採用橡膠減震器對車架進行隔振的減震方法。 -
The analyzing result by thin plat e element from universal program will result in lack of pertinence and incorrect output of transverse shear force. in order to decrease the deformation of raft and prevent the destruction of structure, the designer prefer to adopt conservative methods to increase the raft foundation ' s thickness and reinforcing bars which will lead to waste of building materials
因此用一般通用程序中的薄板單元進行分析，除存在針對性不強的弊病外，而且不能正確地輸出板的橫向剪力，設計者寧可採取保守的做法，為減小基礎的變形，防止結構的破壞，一味地增加板厚和配筋量而造成材料的很大浪費。 -
This kind of switch use the unilateral fin - line as the basic transmission line, the beam lead pin diode of alpha co. ltd is the control element, there is two diodes in each channel and they are welded in circuit in parallel connection
本課題主要研究的是毫米波鰭線pin管單刀雙擲開關。該開關採用單側鰭線作為基本傳輸線，控制器件選用alpha公司的梁式引線pin二極體，每路使用兩只，採用並聯形式焊接在電路中。 -
Ferronickel - determination of trace - element content by electrothermal atomic absorption spectrometric method - determination of lead content
鎳鐵合金.採用電熱原子吸收光譜測定法對微量元素含量的測定.第2部分:鉛含量測定 -
Detail specification for lead - screw actuated wirewound or non - wirewound preset potentiometers - rectangular and square forms, container sealed, actuating device insulated from resistive element, slipping clutch at each end of travel - full assessment level
導桿驅動線繞或非線繞預調電位計詳細規范.長方形和正方形密封容器與電阻元件絕緣的驅動裝置每個行程終止的滑動離合器.全面評估級 -
With the lead ships of our general manager, zhen lingjie, technology consultant, mr sam, our company has become a world - famous pneumatic element manufacture company by working and innoating contiuously
公司自成立以來，在總經理鄭靈傑技術顧問三木先生的領導下不懈努力，不斷創新，已成為全球一流的氣動元件製造商。
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