查询词典 absorption coefficient

Heavy metal ; Mugwort ; Atomic absorption spectrophometer ; Enrichment coefficient ; Transfer coefficient ; Phytoremediation

重金属；艾蒿；原子吸收光谱；富集系数；转运系数；植物修复

The effects of various optical coefficients(such as scattering and absorption coefficients, anisotropy parameter, etc.) and thermophysical properties(such as surface convective coefficient, etc.) and physiological coefficients(such as blood perfusion rate and metabolic heat generation, etc.) on the thermal behavior of the LILC method wet-c discussed in detail. The results show that the size and location of cauterized tissue under the skin can be bontrolled by properly adjusting the absorption and scattering coefficients and irradiation power and so on.

在此基础上，详细讨论了散射系数、吸收系数、各向异性系数等光学参数，激光加热功率、照射半径、表而对流换热系数等热学参数，以及血液灌注率和新陈代谢等生理参数对这种低损伤加热疗法的影响，结果发现，只要通过适当调节吸收系数、散射系数和照射功率等参数就可实现对加热区域位置和范围的控制。

There exists a maximum for the amplification of high-power Stokes beam which is restricted by the energy of pump beam, the absorption coefficient of medium and the length of medium cell, etc.

通过优化介质池长和介质吸收系数等参量可以提高斯托克斯光放大的最大值，并获得较高的能量提取效率。

The prototype system considers the geometry of the building, the position of the source and receiver, and the acoustic properties of the sound transmission (the sound absorption coefficient of the walls and the temperature of the environment). The system then builds the beam tree by beam tracing, and finds all possible paths of the transmission and reflection. All sound paths are then traced to compute the sound obtained by the receiver.

本系统利用建筑物的几何空间、音源与接收者的资讯，考虑建筑材料的吸音系数、环境的温度等声学相关属性，使用光束追踪法建立光束树，寻找各种可能的穿透与反射路径，建立声音的路径模型，并且计算声音的衰减，处理声音的音响输出，来模拟接收者所听到的声音与回响。

The expression of one-dimensional mathematical model of vertical migration of ammonia in the CRI system is:The parameters in the CRI model are determined as following: the retardarce coefficient is determined by static isothermal absorption experiment, the velocity of sewage travel through the soil column is determined by permeability test, the vertical dispersion coefficient is determined by test the electric conductivity of tracer in the dispersion experiment, the rate of nitrification and denitrification is determined by test of Baps technology.

依据单一氨氮、硝氮配水条件下的试验结果，引入多孔介质的溶质运移理论及对流-弥散方程，考虑NH4+-N在CRI系统中的运移受到对流和水动力弥散作用的影响，并吸附-解吸、硝化与反硝化3个过程，首次将配水流经CRI土柱的孔隙水流速方程与CRI土柱内发生的、以氧为约束条件的硝化、反硝化过程联系起来，建立了CRI系统一维垂向氨氮运移转化数学模型，表达式为：研究分别通过静态等温吸附实验率定了模型方程中的阻滞系数、通过渗滤试验测定了土柱中的孔隙水流速、通过测定弥散试验中示踪剂的电导率确定了纵向弥散系数、通过气压过程分离技术测定了土柱中的总硝化与反硝化反应速率常数，最后通过测定土柱沿程氧化-还原电位的方法分析氨氮在CRI系统中的运移转化机理。

For total absorption coefficient at 443 nm (a443), the root-mean-square-error is 0.046 in the South China Sea, with an averaged percentage error of 7.9%, and averaged error in log scale close to 0. For coastal waters off Fujian, RMSE, an averaged percentage error and δ are 0.194, 30.6%, and -0.167, respectively.

对于443 nm的总吸收系数（a443 ），南海的对数均方根误差为0.046，平均相对误差为7.9%，对数平均偏差为0；福建沿岸水体的对数均方根误差为0.194，平均相对误差为30.6%，对数平均偏差为-0.167 。

Nozzle flow was assumed to be frozen, and convective and radiative heat transfer from gas to solid wall was considered. Discretization of the governing equations was performed with two order upstream scheme, and radiative heat transfer equation was solved with Discrete Ordinates method. Absorption coefficient of water vapor was calculated by Leckner formula.

计算中，假定塞式喷管中的流动为冻结流动，考虑燃气向壁面的对流换热和辐射换热；采用二阶迎风格式离散控制方程，及DO模型离散求解辐射换热方程，水蒸气的吸收系数根据Leckner公式计算。

Absorption coefficient; phytoplankton; CDOM; community structure; Pearl River Estuary; northeastern South China Sea; Taiwan Strait; bloom

吸收系数；浮游植物； CDOM；珠江口；南海东北部；台湾海峡；水华；群落结构

Finally, aluminium alloy foam specimen with different structural parameters were made to investigate the variation of underwater sound absorption coefficient.

最后，本文利用前面得到的低压渗流法的较佳的工艺参数，制备了不同结构参数的泡沫铝样品，并研究了样品的水下声吸收系数的变化规律。

A new three-detector litho logy density tool appears. It can correct the influence of thin beds and obtain photoelectric absorption coefficient of formations more exactly.

於是，出现了一种三探测器岩性密度测井仪器，这种仪器可以对薄层进行校正并能更准确地求取地层的光电吸收截面系数。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。