两层的

The same compounds can be characteristic compounds of Curculionidae and were 1,2- Benzenedicarboxylic acid, decyl hexyl ester, n-Eicosane and 1,2,4-Benzenetricarboxylic acid, 4-dodecyl dimethyl ester.

两种害虫蜡层和护蜡层共有成分分别是：1，2-苯二甲酸-1，2-（2-甲基-1）-丁醇二酯、正二十烷和1，2，4-苯三甲酸-（4-正十二醇酯）-1，2-甲二酯，它们可能具有象虫属的特征。

Using the digital signal processor DSP image processing system as the main control unit, and uses two 1394 chips, respectively link layer and physical layer implementation.

采用了数字信号处理器DSP 作为图像处理系统的主控单元，并采用了两片1394 芯片分别实现链路层和物理层。

Based on the composite bounded reservoir model with two porous media, the Laplace solution of dimensionless pressure distribution under inner boundary condition (considering the wellbore storage and the skin effect) has been studied, and through analyzing the structures and interrelations of Laplace solution, the correlations with usual composite, two porous media and homogeneous reservoir pressure distribution have been found.

针对双孔介质复合封闭储层模型，研究了两种内边界条件(是否考虑井筒储存和表皮效应)下的变流率问题的无因次内、外区储层压力分布的Laplace空间解，在深入剖析了解的结构和相互联系的基础上，找出了它与常见的复合、双孔、均质储层压力分布间的相互关系。

Through the design of the two structures, caller instance and replier instance, the session and application layers of RTP are implemented by the state machine.

文中通过设计呼叫者事例和应答者事例两个主要结构体，采用状态机机制实现了实时协议的会话层和应用层。

A precondition was that the stand diameter grew 2 cm every year. For Evodia meliaefolia community, in the competitive living space by close cover stand, the ratio remained low for ten years with little fluctuation. However, in the unlimited open space, the ratio reached two peak values, with the first appearing in the eighth year, and the second in the eleventh year.

在假设了楝叶吴茱萸和油茶每年胸径生长2 cm的前提下，楝叶吴茱萸冠层总面积变化规律是：在郁闭林分被抑制的生长空间里，楝叶吴茱萸冠层总面积扩散速率可以长达10多年基本维持在一个很低的水平下，而且基本没有太大的变化；在获得充分开阔的生长空间里，楝叶吴茱萸冠层总面积扩散速率出现两个增长高峰，一个出现在第八年，一个出现在第十一年。

Two kinds of cross-linked polyacrylate latices with relatively narrow distribution of particle diameters, which are abbreviated to P and P/P, were synthesized by seeded emulsion co-polymerization, respectively. Butyl acrylate and 2-ethylhexy! acrylate were used as comonomers of ACR core, styrene and methyl methacrylate were employed as comonomers of ACR shell, and 1,4-butanediol diacrylate was used as cross-linking agent.

采用丙烯酸丁酯和丙烯酸2-乙基己酯(2-EHA)为核层单体、苯乙烯和甲基丙烯酸甲酯为壳层单体、1，4-丁二醇二丙烯酸酯为交联剂，通过多步种子乳液聚合方法合成了P、P／P两种具有窄粒径分布的共聚丙烯酸酯胶乳。

In november, 2005, the two investors of the company, zhejiang huijin group and teer coatings technology co., ltd.

2005年11月，汇锦梯尔公司的两大投资方浙江汇锦集团及英国teer镀层科技有限公司成功接收了在镀膜领域中有良好经验的专业化镀层公司------中英合资昆山古特先进涂层有限公司，为微钻镀膜工艺的研发及江苏、上海市场的开拓奠定了良好的基础，是公司在镀层业务发展过程中迈出的战略性一步。

Ltd adopted the horizontal drilling technology to drill two horizontal ly-communicated remedy wells with large caverns in Weixi thinly-bedded rock salt deposit,which has opened up a precedent in the application of horizontal well d rilling technology in thinly-bedded rock salt mine in our country.

四川久大制盐有限公司长山盐矿，首次应用水平钻井技术，在威西单薄层岩盐矿体上，钻成两眼大溶腔外水平连通补救井，开创了国内单薄层岩盐矿山水平井技术应用之先河，多项技术、经济指标超过了其它类型岩盐矿山水平对接井，取得了良好的经济效益和社会效益。

The results showed that the two kinds of Ni-P electroless deposits are both amorphous. The phosphorus content in the deposit using lactic acid as complexing agent is 10.04%, and in the deposit using citric acid as complexing agent is 11.93%. As the Na2S content increases, the polarizability increases, and the corrosion current and corrosion potential decrease while the Na2S content is between 1.0%~2.5%. The corrosion resistance of Ni-P electroless deposit using lactic acid as complexing agent is better than that of another kind.

结果表明，利用两种络合剂形成的Ni-P镀层均为非晶态，其中以乳酸为络合剂的镀层中P含量为l0.04mass%，以柠檬酸为络合剂的镀层中P含量为11.93mass%，在1.0%~2.5% Na2S多介质中，随着Na2S多含量的增加，阳极极化曲线的极化率增大，自腐蚀电位和自腐蚀电流降低。

The wave velocity ratio vertical to the stratum of the rock samples is usually less than that in parallel direction, and the relative increment of wave velocity ratio between the vertical direction and the parallel direction decreases as the wave velocity ratio in vertical direction gradually increases.

波速比的各向异性特征主要表现为垂直层理方向上的波速比普遍小于平行层理方向，且两方向波速比的相对增量还随着垂直层理方向上的波速比的增大而逐步减小。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。