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In this dissertation, GPS baseline solution precision is analyzed since the following aspects: 1, Different length baselines are processed and analyzed by single frequency model and ionosphere free model. 2, Basing on current single point positioning precision, certain coordinate error is added into fixed points to study the result. 3, Baseline is processed and analyzed with different observation vectors and their lineal combination models. 4, 24 hours observation was divide up to process baseline.

本文从以下几个角度研究了影响GPS基线解算精度的因素:1、采用单频和消电离层模式对不同长度的基线分别解算,对处理结果进行分析。2、根据目前单点定位精度给起始点加上适当的坐标偏差,研究起始点坐标偏差对基线处理结果的影响。3、选用不同的观测值及其线性组合,对基线解算结果进行研究。4、对24小时观测的数据分时段处理,分析观测时间段对基线处理结果的影响。

The simulation experiments of various kinds of electrode system under different pressure show that the gas inceptive when the gap is fixed, discharge voltage is proportional to the pressure; because the degree of uniformity of electrical field is different among the electrode systems, the changing trend of the inceptive discharge voltage with the pressure is unlikeness.

对各种电极在不同压力下进行模拟实验,实验表明:通常情况下,给定间隙,气体的起始放电电压随着压力的增大而增大;不同的电极系统,由于电场的均匀程度不同,起始放电电压随压力变化的趋势也不同。

Moreover, the test results are compared with the empirical correlations of reference literatures to verify the accuracy of present pool boiling experiment. The test results indicate the higher boiling incipience and lower CHF value for a new plain surface at first test run and slightly improvement at last two test runs.

结果显示平滑加热面有极高的沸腾起始过热度及明显的沸腾迟滞现象,而比较沸腾次数的实验发现,由於表面成核孔穴被活化的结果,后续实验的起始过热度明显降低许多,沸腾曲线亦向左偏移,且临界热通量也有些微增加。

The mechanism of action performed by the interaction between Cap and CBP-eIF4E in the initiation of mRNA-directed tra nslation and the role of another newly-found CBP complex played in intranuclear mRNA processing are discussed.

该文主要讨论了帽结构与胞质中的CBP-eIF4E(eukaryotic initiation factor 4E,真核起始因子4E)的相互作用在mRNA指导的翻译起始中的作用机制,以及帽结构与核内发现的另一种CBP复合体相互作用在mRNA加工中的作用。

The central issue of this paper is the study of DNA-binding proteins interacted with DNA replication origin. The paper presented here includes there parts which are related as well as independent of each other:(1). Identification and partially purification of DNA-binding proteins interacted with eukaryotic DNA replication origin;(2) Specific binding of Hela cell proteins to Samian Virus 40 replication origin with the cruciform structure (Stem-Loop structure);(3) The study of DNA-binding protein as a tumor marker.

本文对DNA结合蛋白的研究主要包括三个即有关联,又相对独立的方面:(1)猿猴肾脏细胞复制起始区DNA结合蛋白的鉴定和部分纯化;(2)Hela细胞中DNA结合蛋白对含茎环结构的SV40复制起始区DNA的特异性结合;(3)DNA结合蛋白做为肿瘤征兆物的研究。

The national defence basic project as background and the dynamic model of cotrolled transfer matrix for multiple launch rocket was created in order to reduce the initial disturbance of rocket projectile. The causes that affect the angle change of orientation locator were analyzed by the engineering system dynamic theory base on multibody system transfer matrix method. The simulation of dispersion for multiple launch rocket was implementation, and the affect law between the angle of elevation and side deflection and the control parameters was acquired. The control module was installed on the orientation locator of multiple rocket launcher to control the initial disturbance of rocket that provide new method and theory base and show the engineering system dynamic base on the multibody system transfer matrix method is effective.

本文以国防基础科研项目为背景,建立了通过控制定向器角运动来减小火箭弹起始扰动的多管火箭受控多体系统动力学模型,应用基于多体系统传递矩阵法的工程系统动力学理论,进行了定向器角度运动的影响因素分析,进行了受控多管火箭炮发射动力学和密集度数值仿真,得到了定向器俯仰和侧偏角控制参数对俯仰角和侧偏角的影响规律,为在火箭炮定向器上加装控制集成模块控制火箭弹的起始扰动和射击精度提供了新思路和理论基础,也表明了基于多体系统传递矩阵法的工程系统动力学理论的有效性。

You can also decide to travel to the other starting area at any time, thanks to a free travel system between the zones of Borean Tundra and Howling Fjord, but most players will likely gravitate toward one area in order to complete the various quests there.

这个设计背后的原因是给予玩家选择权——你的起始区域就是你在诺森德的最初岁月。同样的,通过自由的旅行系统,你可以在任何时候前往另一个起始区域——号叫峡湾和北风苔原。

The results showed that the highest yield of GLP among six strains was ShuShe.The effects of carbon source, nitrogen source, salt and the optimum initial pH value of medium on GLP produced by ShuShe were studied in liquid and solid fermentation respectively. The liquid and solid fermentive medium of high yield was selected by orthogonal experiment.

分别对液态发酵和固态发酵两种发酵方式的碳源、氮源、盐、培养基的起始pH 等对该菌株灵芝多糖生物合成的影响进行了研究,通过正交试验确定了高产灵芝多糖的液态发酵培养基和固态发酵培养基,液态发酵培养基的组成为:麦芽糖,3%;蛋白胨,0.4%;KH2PO4,0.15%;MgSO4,0.05%;培养基起始pH 为6。

Through the research on the fire burning in an atrium used as accoutrement mall, it is found that the impact of venting rate, make-up air inlets" positions and make-up air flux on a fire growth is comparatively great. At one time it is indicated that in the beginning phase a fire in an accoutrement mall is "linear and undulate" fire in terms of gravity ventilation. Whereas, it is "fire in terms of mechanical ventilation.

本文对用作服装商场的中庭建筑的火源燃烧特性进行了研究,发现排烟量、进风口位置及进风量大小等都对火源的发展有较大的影响;同时,实验分析还表明:自然排烟条件下,服装商场火源在起始阶段为&线性脉动&火源;而在机械排烟条件下,服装商场火源在起始阶段则为&&火源。

The results show that perfect anatase nanocrystalline TiO2 can be obtained by SGRTSE method and the photocatalytic activity of TiO2 can be improved by doping and surface treatment. In the experimental system, the addings of proper salts are beneficial to the photocatalytic degradation of DBSNa. The pH value of solution, adding amount of TiO2, flow rate of air, and initial concentration are the main influence factors for the photocatalytic degradation of methyl orange, and the apparent reaction order is pseudo-first-order, which could be described by Langmuir- Hinshelwood equation.

结果表明:sol-gel法结合室温溶剂蒸发诱导可制备出晶型良好的锐钛型纳米TiO_2;过渡元素和稀土元素杂原子掺杂,贵金属掺杂和表面酸化处理是有效提高TiO_2光催化活性的途径;试验体系中,在DBSNa的降解过程中加入适量的盐,可以大大加速降解效果;光催化降解水中有机物,溶液pH值,TiO_2投加量,曝气速率,被降解物起始浓度等是影响降解效果的重要因素;对起始浓度较低的有机物光催化降解过程可利用简化的Langmuir-Hinshelwood动力学方程进行描述,反应级数为拟一级。

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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。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。