In this paper, the finite point method is used to obtain numerical solutions of one-dimensional and two-dimensional inverse heat conduction problems with a source parameter, and the corresponding discrete equations are obtained.

本文利用無網格有限點法求帶有源參數(shù)的一維和二維熱傳導反問題国产呦系列合集1000部，推導了相應的離散方程黄色视频免费区。

Based on the exergy transfer equations, exergy transferring in the steady heat conduction process are calculated for the infinite plate at the first type boundary condition, and two results are compared when conductivity is stable and changed with temperature in this paper.

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Studied present measuring methods" advantages and disadvantages, and presented the necessity and importance of researching propellant transient heat transfer.2.according to 130 and aeronautic 90 rocket projectiles" structure, analysed and acquired physical and mathematical models for propellant transient heat transfer, also designed propellant temperature field simulation units for test.3.acquired discrete transient heat balance equation and temperature calculation program, and gave contrasting curves between experimental temperature values and program calculating temperature values as well as maximum errors and average square root errors between them.4.by programs based on the first class boundary condition, worked out temperature distribution in propellant temperature field simulation units at different time, analysed temperature field distribution law and main elements affecting heat transfer, acquired propellant mass weighted average temperature and one at the half position of propellant maximum thickness as well as maximum errors and average square root errors between them.5.established transient heat transfer mathematical model and temperature calculation program for the third class boundary condition, drew contrasting curves between temperature experimental values and calculation values and gave maximum errors and average square root errors between them, got temperature distribution in the simulation unit at different time and main elements affecting heat conduction, figured out propellant mass weighted average temperature and one at the half position of propellant maximum thickness as well as maximum errors and average square root errors between them.

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In this paper ,we describe in detail the basis theory of wavelet and study the applications of wavelet in the first kind singular integral equation and inverse heat conduction problems .

本文詳細闡述了小波理論的基本知識一级少妇视频，研究了小波在第一類奇異積分方程和逆熱傳導方程中的應用欧美日韩高清。

The ice flaker evaporator processed from special alloy with lightness and high heat conduction efficient approximating that of Aluminum.

l 高熱導系數(shù)的合金材料，幾可達到鋁的傳熱效能

Wealth the effect has three kinds conduction channels: By affecting immediate consumption coming affecting the disposable income holding share person,the income changing a resident expects to draw coming to affect a consumer demand bound consumption inclination, and supplies with effect soft and floury by way of.

財富效應具有三種傳導渠道：通過影響持股者的可支配收入來影響即期消費免费看全过程曰批40分钟，改變居民的收入預期和邊際消費傾向來影響消費需求免费看羞羞漫画，以及經由供給面的影響。

Methods:The adrenergic fibers in adult cardiac conduction system of 10 normal cases was demonstrated under fluoroscope.

采用熒光顯微鏡下觀察10例成人心臟傳導系統(tǒng)中的腎上腺素能神經纖維黄片av毛片伊人久久。

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And a two step follower boost circuit to reduce PFC output voltage which will reduce power losses of the switching loss and conduction loss during loads of light load and typical load.

同時使用階式輸出電壓方式低主動修正電的輸出電壓，以減少當輸出負載為輕載(20%)及中載(50%)的時的換

The gap closure of BNNTs under transverse electric field may be related to the nearly free electron state in conduction band.

硼氮納米管在電場下明顯的帶隙降低現(xiàn)象可能和其導帶底附近的近自由電子態(tài)有關超碰在线免费网址。