| 1. | For a number of the more important species, relative concentration profiles are shown in fig .
若干比较重要的物质的相对浓度廓线示于图中。 |
| 2. | The slope of the concentration profile at a specific position
浓度曲线某一点处的斜率。 |
| 3. | Consequently , the generalized suspended sediment concentration profile suggested by ni ( 1989 ) is derived directly from the basic governing equations
从而对倪晋仁和王光谦提出的悬移质泥沙分布的统一公式给出了理论解释。 |
| 4. | Testing of materials for semiconductor technology ; determination of the dopant concentration profile of single crystalline semiconductor material by means of the capacitancevoltage method and mercury contact
半导体技术材料的试验.用电容-电压法和水银接点确定 |
| 5. | The measured spectra were transformed to the concentration profiling of the recoil atoms by using the knowledge of the rutherford cross section and the stopping power of the projectile and the recoils in the materials
利用卢瑟福散射截面和离子在靶材料中的阻止本领，编制程序将能谱转换成元素的深度分布。从而实现高精度的深度分辨测量。 |
| 6. | Electrochemistry c - v method was employed to measure the carrier concentration profile distribution of samples , discovered that the carrier concentration decreased with increasing of the diffusion depth , and the peak of concentration located at 0 . 25 m beneath the surface
利用电化学c - v法对样品的载流子浓度的纵向分布进行了研究，发现在距离样品表面0 . 25 m处载流子浓度达到最大。 |
| 7. | The diffusion carrier concentration profile and junction depth were measured and compared with conventional furnace processing diffusion ( cfd ) . it presented following conclusions : 1 ) the temperature distribution in quartz chamber of rtd furnace is uniform because square resistance is uniform after rtd ; 2 ) the diffusion velocity of rtd furnace by a factor of three compare to conventional furnace processing diffusion ( rtd ) ; 3 ) if diffusion temperature and doping phosphorus are equivalent , doping phosphorus of rtd are more than of cfd in equivalent distance to the silicon surface
实验研究了快速热扩散( rtd ) ：通过旋涂磷胶和印刷磷浆两种方式考查了2 4和103 103单晶硅的快速热扩散特性，发现： 1 )此样机的温度场在空间分布上是均匀的； 2 )快速热扩散可以比传统扩散快3倍的速度进行扩散； 3 )在扩散温度和掺杂磷源相同的条件下，与传统扩散相比，快速热扩散将杂质向结更深的地方推进。 |
| 8. | A monte carlo model was developed for simulating the adsorption behaviors of linear macromolecule chains on the solid - liquid interface . the simulations were performed on a simple cubic lattice , which was 50 50 50 sites in size . the concentration profiles of total segments , tails and loops in dilute solutions were used to analyze the influences of simulation parameters ( body concentration , interaction energy between segments , adsorption energy of interface , and macromolecule chain length ) on various adsorption configurations
本文采用montecarlo方法构造了水溶性均聚链状高分子固液界面吸附模型，在50 50 50简单立方格子上模拟研究了高分子稀溶液中链节浓度、链尾和链环分布，并结合真实高分子链的吸附行为，讨论了模拟参数(链节间相互作用能、界面吸附能、体相浓度与链长)对各种吸附构型分布、吸附量、表面覆盖度和附着分数的影响。 |
| 9. | Numerical results are obtained for velocity , temperature and concentration profiles , variations of both nusselt and sherwood numbers under different buoyancy ratio and inclination angles of = 15 - 90 . at a given inclination angle , heat and mass transfer rates decrease with heat and mass buoyancies and the buoyancy ratio b decrease from high positive values , and then increase again with the buoyancy radio b further decreasing after the velocity and transfer rates reaching a minimum
研究结果表明：倾斜角度一定，当热浮力与物质扩散浮力共存且二浮力之比b从较高正值变化到较高负值时，流体速度和热质传递速度从高逐渐变低并出现最小值，此后随着向下浮力的增大，流体向下流动且随| b |的增大而加速，热质传递速率随| b |的增大而重新增大。 |
| 10. | Moreover , we observed the concentration profiles of the ion - implanted samples and the diffused samples by c - v method , and discovered that the carrier concentration decreased with increasing of the diffusion depth . whereas , the peak concentration of the ion - implanted samples located at 0 . 248151 u m beneath the surface and the peak concentration of the diffused samples located at the surface . furthermore , the carrier concentration of mnas source diffused sample as high as 102 % m3can be obtained , and the surface was much smoother compared with that of the pure mn source diffused sample
发现两种掺杂方法的载流子浓度大体上都是随着扩散深度的增加而下降，不同的是离子注入样品的载流子最高浓度处于离表面深度0 . 248151 m处，而扩散样品的载流子最高浓度处于表面，并掺锰（ mn ）砷化锌（ gaas ）材料性质的研究且还发现相对于纯mn源扩散样品来说， mnas源扩散样品的表面较为光滑，且表面载流子浓度高达1020 cm ’数量级。 |
