查询词典 transport

These problems in reality can be classifies into two major categories: transport bilevel programming problems with deterministic user equilibrium constraints and transport bilevel programming problems with stochastic user equilibrium constrain...

此文首先从模型和算法的角度总结了有关这类问题已有的研究成果，接着介绍有关这方面的最新的研究进展，即如何把用户基于平衡原则下的交通网络优化问题的双层规划模型统一地转换为一个连续可微的单层最优化问题，并设计统一的算法。

These problems in reality can be classifies into two major categories: transport bilevel programming problems with deterministic user equilibrium constraints and transport bilevel programming problems with stochastic user equilibrium constraints.

这些问题大致上可以分为二大类：一类是涉及到确定性用户平衡原则；另一类是考虑随机性用户平衡原则。

The performance of device is dependent on the concentration of TiO2-nanotubes,appropriate concentration of TiO2-nanotubes can connect moles of C60 which afford more direct band pathway for carrier transport especially electron transport.

实验表明，TiO2纳米管的加入增强了器件的光伏特性，并且随着TiO2纳米管混合比例的提高，器件的电加热管短路光电流和光电转换效率也相应的提高了。

It researches on the approach to achieve continuous connections of container multimodal transport logistics system. Based on the idea of continuous connections the paper discusses the container transport choosing route problem. It combines the appropriate adimensionalize method in the appraisement method and mathematic model and resolves the problem that the unit of time and cost disunite and sets up the time-cost transportation route optimizing model which is an innovation on the basis of previous studies and gives an example to validate the model using the LINDO software.

在"无缝衔接"的思想下研究集装箱运输路径选择问题，在前人的研究上进行了创新，将评价方法中的合适的无量纲化方法与数学模型结合，解决了时间和成本单位不统一的问题，建立了时间—成本运输径路优化模型，并举例验证应用LINDO软件进行求解，说明了此模型的正确性。

Then the micro-state and transport process of carriers (hot-electron) in vivo of the switch material were studied in details using the quantum theory. It was found: in the DC bias electric field, under the certain condition of the relaxation time of the hot-electrons in the electron-electron and electron-phonon interaction process, the photoconductivity oscillation can be caused by the change of mobility in the process of optoelectronics transport, and the main causes that the output electrical pulse appears oscillation was revealed.

并从量子理论出发，研究开关体内载流子的微观状态和输运过程，在直流偏置电场作用下，体内热电子在电子—电子、电子—声子相互作用过程中，其驰豫时间及载流子寿命之间存在关系时，光电子的输运可通过迁移率变化引起光电导振荡，揭示出导致开关输出电脉冲出现振荡的根本原因。

The late period of loess accumulation with high contents of hornblende and epidote is mainly far-source sedimentary with wind transport, and the early and middle periods of loess accumulation with high contents of magnetite and dens are mainly near-source sedimentary with complex transport.

普通角闪石、绿帘石含量较高的黄土堆积后期是以远源沉积为主，且以风力搬运为主；磁铁矿、岩屑含量较高的早、中期是以近源沉积为主，搬运动力较复杂。

The late period of loess accumulation with high contents of hornblende and epidote is mainly far source sedimentary with wind transport, and the early and middle periods of loess accumulation with high contents of magnetite and deris are mainly near-source sedimentary with comp lex transport.

普通角闪石、绿帘石含量较高的黄土堆积后期是以远源沉积为主，且以风力搬运为主；磁铁矿、岩屑含量较高的早、中期是以近源沉积为主，搬运动力较复杂。

From experimental and calculated results, X-ray transport attenuation changes in exponential function, and scaling law for radiation transport is obatined.

由实验和计算的结果推断X光在管靶中输运是指数衰减的，由数值计算结合实验结果得到辐射输运的定标公式。

And the scope and method: packaging service shipping packages packaging packaging machinery furniture freight forwarding road transport air express domestic car shipping warehousing logistics cargo handling transfer distribution and freight transport operations between the secondary services.

经营范围和方式：打包服务家具包装机器打包托运打包货运代理、公路运输、航空快运、国内轿车托运、仓储物流、理货、中转、分发、往返运输业务以及货运辅助业务。

Container multimodal transport is an advanced form of transport organizing, and it is the developing trend of freightage.

集装箱多式联运是运输组织的高级形式，也是货物运输的发展方向。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。