transmissivity 中文意思是什麼

Standard test method for determining specific capacity and estimating transmissivity at the control well

在控制井上測定比容和評定過濾系數的標準試驗方法

T = kb is the transmissibility, or transmissivity

T kb是可導水性或導水性。

Standard test method for determining transmissivity of nonleaky confined aquifers by the theis recovery method

用泰斯復原法測定非越流性封閉含水層透射率的標準試驗方法

Standard test method for determining transmissivity and storage coefficient of bounded, nonleaky, confined aquifers

測定有限的，非越流性，封閉含水層透射率和蓄水系數的標準試驗方法

The main results achieved in this thesis can be summarized as follows : 1. by means of the fourier series expansion, an approximate analytical propagation equation of flattened gaussian beams ( fgbs ) passing through an apertured paraxial abcd optical system is derived, and illustrated with numerical examples, when the transmissivity of the aperture is t ( x ) = cos ( x )

用傅立葉級數展開法研究了平頂高斯光束通過有光闌限制的近軸abcd光學系統的傳輸特性，導出了光闌透射率為t （ x ） = cos （ x ）時的近似解析傳輸公式，硬邊光闌的情況可作為= 0的特例得到。

T=kb is the transmissibility, or transmissivity.

TKb是可導水性或導水性。

The paper introduces a revisable function of atmospheric transmissivity. the function can be appplied to revise the measured value in ir measure

摘要文章針對紅外輻射測量提出一種大氣透過率修正函數。該函數可用於在紅外測量中對測量值進行大氣修正。

Film defect influences on transmissivity of multi - layer film

多層膜膜層缺陷對透射率的影響

Standard test method for determining transmissivity and storage coefficient of low - permeability rocks by in situ measurements using the constant head injection test

用恆定水頭噴射試驗現場測定低滲透性巖石的透過比和釋水系數的標準試驗方法

The text lays particular emphasis on the evaluation of the groundwater, involves the groundwater type, groundwater chemical characteristics, the amount of the water resource and the natural groundwater amount by using the method of numerical model after the calculation of the parameters, such as transmissivity, the coefficient of the flexible water release, with the data of the pumping test in the research zone

採用visualmodflow地下水軟體進行數學模型的求解。在地下水流數學模型識別和驗證后，設計了兩種方案進行了地下水的預報。應用同位素分餾原理和質量守恆定律，確定不同含水層中地下水的成因及形成條件，建立本研究區地下水系統的水循環模式;採用模糊綜合評價方法對研究區內的水質進行了評價。

Transparent plastics - transmissivity and haze test

透明塑料透光率和霧度試驗方法

Absorptivity, reflectivity and transmissivity depend upon the wave length of the radiant energy striking the surface and also upon the temperature of the surface.

吸收率，反射率和透射率取決于打在物體表面上的輻射能的波長，也和物體表面的溫度有關。

Method for testing cryogenic transmissivity of crystals

低溫下晶體透射率的試驗方法

Test method for measuring the transmissivity of transparent parts

測量透明零件透射率的試驗方法

The optimal transmissivity of inhomogeneously broadened single - mode laser

非均勻加寬單模激光器的最佳透射率

Beven 18 suggested that when it is applied in its original form to a river basin with thin soils over an imperme - able base, the quasi - steady state approximation holds. however, he also noted that for a variety of alternative transmissivity profiles, or when the saturated depth of the aquifer is large, the deviation in the actual shape of the water table from a steady - state shape can be both large enough and last long enough to call into question the assumption of quasi - steady dynamics

Beven 18也也指出這種「擬穩定」的地下徑流機制雖然能夠較好地應用於那些不透水層之上的土壤厚度比較薄的流域，但對于那些非飽和土壤層的厚度隨空間的變化較大也就是地下水位的變化比較大，或者潛水面的厚度較大的流域，使用這種「擬線性」的topmodel地下徑流機制就容易產生問題

The paper makes out comprehensive evaluation of under pressure mining of mining area through the below aspects : analysising water - resisting layer ' s occurrence geologic features, physical and mechanical property and stability of duancun - leigou bauxite deposit ; researching of confined aquifer ' s hydrogeology features, fault fracture zone and its transmissivity of cambrian - ordovician limestone ; combining calculation of thickness quantitative index of safe water - resisting layer and etc

摘要通過對段村雷溝鋁土礦隔水層賦存地質特點、物理力學性質及其穩定性分析和寒武奧陶系灰巖承壓含水層水文地質特徵、斷層破碎帶及其導水性的研究，結合安全隔水層厚度量化指標的計算等，對礦區帶壓開采做出綜合評價。

In this paper, the property difference of sio2 sols used for preparing thin films by esam method or sol - gel process has been discussed. three kinds of sio2 sols were prepared, catalyzed by hcl or nh3 h2o only, or hcl first and then nh3 h2o respectively ( please note : in following text, the sio2 sol catalyzed by hc1 first and then nh3 h2o and its correspondent films will be named sio2 sol 1 # and film 1 ; the sio2 sol catalyzed by nh3 h2o only and its correspondent films will be named sio2 sol 2 # and film 2 # ). through investigating the assembling properties of the sols, observing thin films " microscopic structure with tem and testing their transmissivity with 721 spectrophotometer, we find that the first kind of sol is not suitable for preparing esam films, but the last two, i. e. sol 1 # and sol 2 #, are good

本文討論了esam法制備薄膜所用的溶膠與sol - gel法所用的溶膠在性能上的區別，在hc1或nh _ ? h _ 2o分別單獨催化和hc1 nh _ 3 ? h _ 2o分步催化三種催化條件下制備了sio _ 2溶膠（以下規定hc1 nh _ 3 ? h _ 2o分步催化的sio _ 2溶膠為1 ~ #溶膠，相應的薄膜為1 ~ #薄膜， nh _ 3 ? h _ 2o催化的sio _ 2溶膠為2 ~ #溶膠、相應的薄膜為2 ~ #薄膜） ，在通過組裝薄膜並用透射電鏡（ tem ）觀察薄膜微觀結構以及用721分光光度計測試樣品的光透射率，得出了后兩種催化方法所制備的溶膠適合於esam法鍍膜，而第一種溶膠不適于用此法鍍膜的結論，用傅立葉紅外光譜（ ft - ir ）研究了溶膠組成；用差熱失重分析儀（ dta - tg ）對膠體進行了熱分析。

Standard test method for analytical procedure determining transmissivity, storage coefficient, and anisotropy ratio from a network of partially penetrating wells

測定不完整滲透井網路過濾系數儲藏系數和各向異性比率的標準試驗方法

Standard test method analytical procedure for determining transmissivity and storage coefficient of nonleaky confined aquifers by the modified theis nonequilibrium method

改進的非平衡法測定非越流性有側限的蓄水層過濾系數及儲存系數的標準試驗方法