Through the gate operation experiment in open channel, we get a cognition about the phenomena of concentration wave of contamination under the influence of gate.
通过明渠水槽模拟的闸门调控实验，初步认识了闸门影响下污染物迁移转化波形分布规律。
The characteristic of the concentration wave in the RTD of out-circular reactor, which is a nonstationary quasi-periodic signal, has been investigated with wavelet analysis.
应用小波分析研究了外循环反应器浓度波这类非平稳拟周期信号的特征。
Quiet, he ordered with a brisk wave of an upturned palm - I was breaking his concentration. Yes, he was in charge, alright.
他手掌向上很快挥了一下，悄无声息地发出了命令——我打断了他的注意力，是的，他确是头领。
Coefficients of dynamic stress concentration change with lining aperture, thickness of lining, wave number and type of lining.
介质和衬砌内动应力集中系数随孔径、衬砌厚度、波数变化而变化，且与衬砌性质有关。
When elastic waves propagate in structures with obstacles such as cutouts, cracks or interfaces and so on, wave scattering and dynamic stress concentration can occur near these scatterers.
弹性波在含有孔洞、裂纹或界面等障碍物的结构中传播时，会在它们附近发生散射，导致散射体附近产生动应力集中。
Multiple wave scattering and dynamic stress concentration in structures with interfacial layers are analyzed and studied to give the analytical method for solving this problem.
对含界层结构中弹性波多重散射与动应力集中问题进行了分析研究，给出了求解该问题的分析方法。
The rules of electron subband energies and corresponding wave functions depending upon free carrier concentration have been obtained.
得到了电子亚带能量和波函数随自由载流子浓度的变化规律。
Effects of the slice depth, syrup concentration, osmotic duration, power of ultrasonic wave, time of ultrasound treatment on the osmotic dehydration of carrot were studied too.
探讨了胡萝卜切片厚度、浸泡液浓度、渗透时间、超声波的功率和超声波处理时间等几种因素对胡萝卜糖溶液渗漏脱水的影响。
The main research contents in this dissertation are as follows: Elastic wave scattering and dynamic stress concentration in circular cylindrical shells with a hole are studied.
本论文具体研究工作如下：研究了含孔柱壳结构中弹性波散射与动应力集中问题。
An analytical series solution for dynamic stress concentration of lined cavities in a half space under incident plane SV waves was given by using wave function expansion method.
采用波函数展开法给出了半空间中衬砌洞室群在平面SV波入射下动应力集中问题的一个级数解析解。
Differential optical absorption spectroscopy (DOAS) makes use of the flue gas pollutant different optical absorption characteristic at the UV-VIS wave band to measure their average concentration.
差分吸收光谱法是利用气体污染物在UV - VIS波段对光有不同的吸收特性来测量其平均浓度。
Scattering of steady_state SH_waves and dynamic stress concentration are studied with circular holes in piezoelectric medium under incident antiplane shear wave loading.
利用复变函数和波函数展开法，对稳态SH波在含有圆形孔洞的无限弹性压电介质中的散射与动应力集中问题进行研究。
Based on the solution of the diffracted wave field the general formulas for calculating dynamic stress concentration factor for a cavity of arbitrary shape in multiply-connected region are given.
基于绕射波场的解，文中给出了任意形状空腔动应力集中系数的一般算式。
The estimated ultraviolet radiation attenuation coefficient and DOC concentration all existed markedly positive relationship; but UV-B wave band was higher than UV-A wave band.
估算得到的紫外辐射衰减系数与DOC浓度均存在显著性正相关，但UV - B波段要高于UV - A波段。
An analytic method is developed for the problem of scattering of SH-wave and dynamic stress concentration around a circular cavity near the interface of elastic half space.
建立了求解在含有圆形孔洞的弹性半空间中SH波散射与圆形孔洞附近动应力集中问题的解析方法。
It was found in the study that the use of ultrasonic wave increased the concentration of O3 per unit of time because of ultrasonic dispersion;
研究发现，超声可以通过超声粉碎作用，增加单位时间内O3的浓度；
Optimum measuring wave length was selected. The effect of acidity, concentration of citric acid and chromogenic agent, temperature and interfering elements on the measurement was studied.
优选出最佳测量波长，研究了酸度、柠檬酸浓度、显色剂浓度、温度及干扰元素对测量的影响。
The effect of measuring wave length, acidity, concentration of OP emulsifier and silver nitrate on the measured absorbance was studied.
研究了测量波长、酸度、乳化剂浓度、硝酸银浓度对测量结果的影响。
It is the first time for anaerobic bio-reactor with shock wave to be used for high-concentration industrial wastewater treatment, which widens the application field for the research.
本研究是首次将激波厌氧工艺应用于高浓度工业废水处理，为这项科研成果拓宽了应用领域。
The scattering problems and the dynamic stress concentration problems of SH-wave by double circle cavities, and circle lining in near field are investigated in this thesis by the method of FEM.
本文采用有限元法研究近场双圆形孔洞、圆环形衬砌对瞬态sh波的散射和动应力集中问题。
To calculate distribution of sediment concentration in vertical under wave and current, a model of silt diffusion coefficient distribution in vertical is set up.
为了计算波流共同作用下含沙量沿垂线的分布，建立了沿垂线分布的泥沙扩散系数模型。
Many in these countries are looking at this process and worrying: Won't the wave of business concentration turn into an uncontrollable anti-competitive force?
这些国家的许多人面对这个浪潮开始担忧：“企业合并的浪潮会不会变成一股无法控制的反竞争力量？”
In the model, the concept of antecedent sediment concentration is introduced and the method for simulating the back silting under the action of wave is established.
数学模型中引进前期含沙量的概念，得到了潮流挟沙能力公式，给出了波浪作用下浮泥引起航槽回淤的模拟方法。
Advances in recent 30 years in the theories of watershed runoff generation, flood wave movement in rivers, and watershed flow concentration are briefly introduced.
根据国内外文献资料，对近30年来流域产流理论、河道洪水波运动理论和流域汇流理论的新进展作了扼要介绍。
We demonstrate a multi-wavelength erbium-doped fiber laser (EDFL) using erbium gain and four-wave mixing (FWM) effect in a piece of erbium-doped fiber (EDF) with high erbium ion concentration.
我们首次描述了在高浓度的掺铒光纤中采用铒增益与四波混频效应获得多波长掺铒光纤激光器。
We demonstrate a multi-wavelength erbium-doped fiber laser (EDFL) using erbium gain and four-wave mixing (FWM) effect in a piece of erbium-doped fiber (EDF) with high erbium ion concentration.
我们首次描述了在高浓度的掺铒光纤中采用铒增益与四波混频效应获得多波长掺铒光纤激光器。
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