二源的

The 2-D bilinear transformation digital circuit from 1-D analog domain to 2-D discrete domain has been presented, which can ensure the exact realization of 1-D to 2-D bilinear transformation.

将此二维双线性变换数字电路用于2-D跳耦型数字滤波器的电路中，即可获得一种新的，稳定的二维数字滤波器实现。同二维波数字滤波器一样，2-D跳耦型数字滤波器亦以1-D无源LC双端接载梯型滤波器为导出原型。

A numerical calculation program is written up for the various solution methods in this paper and the program is being used in various aspects of inverse problem of environmental hydraulics, including inverse problem in reverse process of one-dimensional unstable diffusion, inverse problem in reverse process of convection-diffusion, inverse problem for the dispersion coefficient in water quality model, The inverse problem of coefficient identification for nonlinear Boussinesq equation, parameter identification inverse problem for water quality model, the inversion of parameter of BOD-DO water model, the inverse problem of the source of convection-diffusion, identification of the steady-state permeability for two dimensional isotropic medium, two-dimensional steady inverse problem of convection-diffusion and parameter identification inverse problem for two-dimensional parabolic equation, etc.

对本文提出的各种算法，编制了数值计算程序，并把它应用于环境水力学反问题诸多领域，包括污染物一维非恒定扩散逆过程反问题，对流扩散方程逆过程反问题，河流水质纵向弥散系数反问题，非线性Boussinesq方程反问题，河流水质多参数识别反问题，BOD-DO水质模型参数反演问题，对流—扩散方程源项反问题及二维恒定各向同性介质渗透系数反问题，二维定常对流——扩散方程及二维抛物型方程参数控制反问题等。

Based on the model of DLA, this paper simulates the process of aggregation's growth for random walk particles from local area on two-dimension Euclidean plane. The aggregation is confined to Euclidean circular plane for large enough particle walking area and far enough partial source distance. The centre of the Euclidean circular plane is on the line between the particle source's symmetric centre and the seed particle, and is more closer to the particle source than the seed particle. Though the rate of aggregation growth is different in different directions, the whole aggregation shows fractal structure.

以DLA模型为基础，模拟研究了在二维欧几里德平面上由局部区域内产生随机运动粒子的聚集生长过程，发现对于足够大的粒子运动区域和足够远的粒子源距离，凝聚集团大体上被限制在欧氏圆形面内，圆心在粒子源对称中心和种粒子的连线上，且比种粒子更加接近粒子源；凝聚集团朝各个方向的平均生长速率虽然不同，但整体仍呈分形结构。

Diploid gynogenesis was induced by activating egg development with UV irradiated sperm (80 mJ/cm2, the homologous or the heterogenous sperm) for 5 min in seawater at 18 ℃, and then subjecting the eggs to cold shock in 3 ℃ seawater for 45 min.

无论同源精子还是异源精子，最佳诱导条件为在18 ℃条件下，精子经80 mJ/cm2的紫外线照射，受精后4~5 min将受精卵放在3 ℃海水中进行冷休克处理，持续时间为45 min，同源精子和异源精子二倍体诱导分别为32.66%±7.03%和28.00%±6.48%。

The main research of the thesis is the implementation of batch data interchange function based on ETL. UDI has two main characteristics. First, by the separation of source systems and target systems, the platform provides data exchange among the systems to avoid point to point communication. Second, the data process of source systems is consolidated by platform based on the systems common requirements. The data extraction is implementated from the simple data exchange to the more complicated view of business logic.

平台的最大特点体现在，一是在源系统和目标系统之间实现了批量数据交换，避免多个系统之间批量数据交换时的点点沟通，在源系统和目标系统之间进行隔离；二是将源系统数据加工处理时的共性需求，集中于平台内部统一实现，这一共性需求的统一处理，从简单的数据接口转换深入到更复杂的业务逻辑展现，实现了真正意义上的数据处理功能。

The methods of hydrocarbon generation and carbon isotopic kinetics are studied in Sulige Gas Field, Yulin Gas Field and Shenmu Gas Field, which indicate that the gas is mainly from Carboniferous-Permian coaly stratum in the south or southwest of the three gas fields; the hydrocarbon generation of source rock is firstly originated from 150Ma or so in Dingbian and its south area, and is successive from south to north and from west to east; the migration directions of natural gas are regionally from southwest to northeast, and partially from bottom to top.

采用生烃动力学和碳同位素动力学的方法，通过对苏里格气田、榆林气田和神木气田的剖析，认为这3个气田的气源主要来自其南部或西南部的石炭-二叠系的煤系地层；烃源岩生烃始于150Ma左右，出现在定边及以南的气源岩区，并存在由南向北、由西向东推进的趋势；天然气区域运移方向是由西南向东北，局部运移方向是由下向上。

During the incubation of purified α-synuclein with fructose or glucose, it was observed that the protein intrinsic fluorescence at 308 nm decreased while the fluorescence of glycated derivant at 447 nm increased.

将纯化后的α-synuclein分别与果糖和葡萄糖孵育，通过内源荧光、非酶糖基化衍生物特征荧光、圆二色光谱以及电子显微镜等技术进行检测发现：α-synuclein 与还原糖共同孵育后，308 nm内源荧光强度明显降低，同时在447 nm产生一个非酶糖基化衍生物特征荧光。

The company now stores 28, the total business area of over 70,000 square meters, Shaoguan City stores across the Sanjiang six shore, and Maba, Shixing, Wengyuan, milk, Nanxiong, Lechang, Yingde, and other places Set up branches, employees of more than 2,000 people.

公司现在分店二十八家，总营业面积达7万多平方米，店面遍及韶关市的三江六岸，并在马坝、始兴、翁源、乳源、南雄、乐昌、英德等地设有分店，从业人员达2000多人。

The first type is E s 1 and E f 3 member oil, which is derived from E f 2 member source rock of deep sag. The second type is E f 1 member oil which is derived from E f 1 member source rock of deep sag. Integrated with the analysis of pyrrolic nitrogen compounds and its parameters, Beihanzhuang E f 3,/E f 1 and E s 1 member oil migrated from deep sag to Beihanzhuang structure belt apparently.

研究结果表明，北汉庄油田的原油可以划分为2类：第一类原油分布于垛一段与阜三段，主要来源于深凹带阜二段烃源岩；第二类原油分布在阜一段，主要来源于深凹带阜一段烃源岩。

In view of a little thickness and limited oil-forming potential of source rock of Member 2 of the Shahejie Formation, the source rock in Member 3 of the Shahejie Formation is considered as the main source of oil and gas.

考虑到沙二段烃源岩厚度小，生油能力有限，唐家河油田沙三段烃源岩是最主要的油气来源。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。