查询词典 optical activity

The parameters include waveguide width: 8μm, titanium film thickness:50~60nm, index change: 0.006, diffusion temperature: 1050 and diffusion time: 9~10 hours.Designed and produced a 2 X 2 coupler Optical switch and a 1 X 2 digital optical switch. The coupler optical switch was produced by AP reversal structure, with the main parameters such as total length of switch: 30mm, waveguides center distance: Hum, interaction length: 17mm, and at 17V with a crosstalk of -18dB. The digital optical switch was produced by asymmetry electrode Y branch structure. The main parameters of this switch such as switch length: 25mm, the angle of Y branch: 0=0.1? center distance at branch end: 30μm, the center distance of electrons: 12μm, and at 27V with a crosstalk of 18dB.

设计并制作了2×2耦合型光开关和1×2数字开关，其中耦合型开关主要采用的反转Δβ定向耦合器开关，开关长度约30mm，波导宽度8μm，波导间距14μm，耦合区长度17mm，电极主要采用三电极结构，最终测得对TE模开关电压＜-15，消光比≈18dB；数字开关采用非对称电极Y分叉数子开关结构，利用BPM软件模拟了其开关特性并优化了器件参数，制作中采用的主要参数为：开关长度约25mm，Y分叉角θ=0.1°，Y分叉末端波导间距30μm，电极间距12μm，最终测得开关电压27V，消光比≈18dB。

The following are very important peculiar parameters, such as optical fibers winding waste, side vibration to optical fiber communication, optical fiber rasses and optical fiber not rectilinear est.

光纤的损耗、偏振对光纤通信、光纤传感以及光纤非线性等研究是十分重要的特性参量。

Based on the objective lens and voice coil motor of the current DVD pickup head,according to photobleaching three-dimensional (3D) optical information storage's theory of two-photon absorption,the Ti∶sapphire femtosecond pulse laser was used as written optical beam and reading optical beam of two-photon three-dimensional optical storage voice coil motor was carried through multiplayer choice, and the storage and readout experimental study of binary format code with two-photon photobleaching in the new photobleaching material consisting of stilbene derivant was conducted.

基于现有的DVD光头物镜与音圈电机，根据光致漂白的双光子吸收三维光信息存储原理，以钛蓝宝石飞秒脉冲激光进行双光子光信息写入和读出，利用音圈电机进行选层，在新型光致漂白材料二苯乙烯衍生物中进行光致漂白二进制编码信息的存储和读出实验研究；实现了三层光信息存储，信息点间距和信息层间距分别为4 μm和15 μm；用Matlab软件读出信息的信号强度并对其进行了识别，识别结果与写入的二进制编码信息完全一致。

The rotary connection can be carried out in free space and hi-direction transmission of optical signal can be performed. Through analyzing the design principle of the optical structure and optical path calculation, it is found that when the ratio between the focal lengths for two lens is 20~50 and off-axis distance is in the range of 4~10mm, the interference will not be occurred between two optical channels and signal transmission can be lasted.

在自由空间可以实现旋转连接并实现光信号的双向传输，通过分析该光学结构设计原理和光路计算，发现每组透镜中两个透镜焦距之比为20-50，离轴距离为4-10mm范围时，才能保证光通道之间不发生干扰且信号持续传输。

The main content includes as the follows:(1) An automatic neighbor discovery mechanism applicable to SDH network is proposed;(2) For the optical network with Optical Transfer Unit in WDM, a General Multi-protocol Label Switch-based automatic neighbor discovery mechanism is proposed and simulated;(3) Three automatic neighbor discovery mechanisms for the all-optical network with OEO module are proposed and comparatively simulated;(4) With the Loss of Light detecting, a novel automatic neighbor discovery mechanism in all-optical network without any OEO module is proposed.

主要工作包括：（1）提出了SDH网络的自动邻居发现机制；（2）提出了带波长转换器的光网络的自动邻居发现方案，并通过仿真对发现过程进行了跟踪和统计；（3）提出了三种带有光电转发模块的光网络的自动邻居发现策略，并做了仿真比较；（4）提出通过光丢失检测方式对不带OTU的光网络进行自动邻居发现的实现方法。

Optical fiber communication is transferring form point-to-point transmission to mesh network. Traditional optical-electronical-optical transformation limits the data rate and adds the cost. With reconfigurable optical add/drop multiplexer for signal switching and routing, the OEO transformation can be bypassed, reduceing equipment size and cost.

光纤通信由点到点传输向网格化发展，传统的光—电—光转换过程限制了通信速率并导致成本增加，采用可重构光分叉复用器进行光交换和光路由，可以省去光—电—光转换过程，缩小尺寸和降低成本。

Therefore, systemically research on distribution and activity of fault system in the middle part of Huanghua depression is done in this paper, including the quantitative analysis of planar distribution and activity of fault system ,the anatomization of the activity and evolution of the major fault, in order to determine the relativity and cause of the fault system. Conbined with the found reservoirs and the evidences of oil and gas displaying .The relationship between fault activity time and activity characteristic, planar distribution and the displacement type of the fault system, the contact relationship of lithology with the formation of oil and gas pools is discussed and finally the faults developing model to form oil and gas pools of upper Tertiary system are found in middle part Huanghua depression.

本论文以黄骅坳陷中区为主系统的研究了断裂系统的展布和活动特征，包括断裂平面展布与活动的定量分析、主干二级断层的几何特征和活动演化历史的详细解剖，来分析断裂系统的相关性和断裂系统的成因，并与黄骅坳陷已发现的油气藏及已有的油气显示成果结合，探讨断层的活动时间和活动特点、断层的平面分布、平面和剖面组合关系、断层两盘的岩性对接关系等方面与油气成藏的关系，最终建立黄骅坳陷中区新近系油气成藏的断裂发育模式。

This study showed that the most important fitness indicator for Taiwan is the amount of physical activity, including time and intensity of participation. The first concern of government should be the increase in number of people participating in physical activity and to make exercise as part of life style. Increased amount of physical activity could reduce the risk for many chronic diseases. The yearly fitness test should focus on the amount of physical activity conducted, the socioeconomic information, and the baffler of engaging physical activity.

本研究的结果显示，当前我国最重要的课题应在於提升运动人口，培养国民运动习惯，最重要的体适能指标应为身体活动量，包括参与运动的时间和强度；增加身体活动量可降低各种慢性病罹患机率，每年的体适能检测应以调查民众身体活动量为主，并包含社会经济地位与参与身体活动的限制因素等资料，以作为制定政策的参考。

Now the research on HPL focus on dicotyledon, and the research on HPL of monocotyledon still havent been reported. In this paper, the research on cloning of rice HPL and enzyme activity assay were carried out and several result were obtained.1. Enzyme activity assay of rice HPLBased on the method of measure HPL Enzyme activity in other plants, the means on preparation of hydroperoxides and measurement rice HPL activity were set up. The 9-HPL arid 13-HPL activity of several rice varieties with different storability and different dormancy were tested.

本试验建立了水稻的HPL酶活性测定体系，测定了水稻萌发过程中的HPL酶活性，并进行了水稻HPL基因的克隆及表达研究，结果如下： 1、水稻HPL的酶活性测定在参考其它植物HPL酶活性测定方法的基础上，建立了水稻的HPL底物发生体系和酶活性测定体系，并测定了不同贮藏性水稻品种萌发过程中的种胚9-HPL、13-HPL活性和不同休眠性水稻品种种子的9-HPL、13-HPL酶活性。

Under normal temperature.the Ca2+-ATPase activity was found on the innerside of the PM.on the vacuole envelope and the chloroplast envelope,and theenzyme activity declined upon heat stress.The Ca2+-ATPase activity on the vacuoleenvelope,PM.and the chloroplast envelope in both Ca2+-and oxalate-treated peppermesophyll cells was higher than that in the control under the same condition.TheCa2+-ATPase was also found at the granum lamella,and it was activatedsignificantly by exogenous Ca2+ and oxalate treatments.Under heat stress.the Ca2+-ATPase activity declined slowly in both Ca2+- and oxalate-treated mesophyll cells.But La3+ treatment inhibited the enzyme activity under both normal condition andheat stress.

常温下生长的叶肉细胞，在质膜、液泡膜、叶绿体被膜等处有Ca2+-ATPase活性，热胁迫后酶活性下降；外源Ca2+和草酸预处理对辣椒叶肉细胞各种膜上Ca2+-ATPase活性具有促进作用，特别是定位于液泡膜、质膜和叶绿体被膜上的酶活性明显比对照提高；在叶绿体基粒和基质片层上也有酶活性，并且Ca2+和草酸预处理对该部位上的酶活性激活作用更明显；La3+处理的作用与Ca2+和草酸处理的效果相反。

But GST= 0.156, Nm=1. 588. As a result, the foundation of Youyongchi Avicennia marina population was the result of the migration of hypocotyles and human factors.

这项工作可以为海岸防护林中新引进种类的判定以及为研究种群建立者效应方法的确定提供科学依据。

The two-dimensional CDRC-ADI-FDTD update equations for collision unmagnetized plasma are induced. The unconditional stability of the CDRC-ADI-FDTD formulation for collision unmagnetized plasma is obtained by the examples.

推导了碰撞非磁化等离子体中的二维CDRC-ADI-FDTD迭代公式，并用算例验证了碰撞非磁化等离子体CDRC-ADI-FDTD算法也是无条件稳定的。