Companies adhere to independent innovation and technical cooperation and the principle of combining the implementation of a high starting point, high input, high-quality technology development strategies, and employ the world's leading enterprise development counseling agencies into a comprehensive international most advanced business management concepts and systems. Guangdong Provincial Government in 2002 was recognized as a private technology enterprises in Guangdong Province, Jiangmen City Hall has been identified as high-tech enterprises; in June 2003 by the Guangdong Provincial People's Government as a high-tech enterprises, Kin Lunda taishan Photoelectric Technology Co., Ltd. is to a simultaneous increase in the size and effectiveness of the model, towards an international well-known enterprises LED direction.

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Power to switch to a high frequency, high efficiency, high power density, high power factor, high reliability.

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High power and super-high speed semiconductor switch RSD has great advantages in pulse power system : simultaneous turn-on in all area, high di/dt, high speed, high power, low power loss, infinite series, easily used in series and parallel connection, low cost and long lifetime etc.

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The main production and operation of ultra-thin double-sided tape, strong double-sided tape, high temperature double-sided adhesive tape, conductive double-sided tape, double-sided thermal tape, Teflon tape high temperature, high temperature Masking tape, high temperature polyimide tape, thermal insulation tape , copper foil, aluminum foil conductive adhesive tape, anti-static tape, security tape, waterproof tape, anti-theft tape, non-slip, shock-proof tape, shading tape, reflective tape, protective film, fiber tape, spray adhesive tape, kraft tape, tape Mara, electrical tape, acetate cloth tape, fingerprints, tape, wall tape, seal tape, sealing tape, stickers, all kinds of insulation, high temperature resistant, UL certification shaped materials, sizing, cutting processing.

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Effects of dry temperature and dry time on properties of heat cured sand and the relationship with binder composition are as follows:sands bonded by binders that are not modified have high strength when dry temperature is high and dry time is long,but their anti-wettability power is poor . Sands bonded by binders that are modified by B but not modified by M can be dried quickly and sand strength is high but anti-wettability power is also poor. Sands bonded by binders that are modified by M but not modified by B can also be dried quickly to obtain maximum strength,then the strength becomes lower when they are dried continually for more time. and sand strength is high but anti-wettability power is also poor. Sands bonded by binders that are modified by M as well as by B at the same time can be dried quickly to obtain maximum strength at low temperature and short time. But the anti-wettability of sand mold is best when they are dried at high temperature and long time.

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This paper introduces the research and implementation of all-purpose high-speed test adapter for ADC. The main contents includes two methods about how to testing the static parameters and dynamic parameters for ADC. The servo loop method is proposed to static parameters, by using the test principle of high-precision voltage source, high-precision voltage meter and digital comparator. To dynamic parameters, the DDS chip of AD9851 is used to generate sine waves with high signal to noise ratio, then the high-s...

servo loop ； FFT 人人干人人看另；本文介紹了關(guān)于ADC高速通用測(cè)試適配器的研究和實(shí)現(xiàn)国产手机在线观看一级一黄色视频，主要介紹了測(cè)試ADC芯片靜態(tài)參數(shù)和動(dòng)態(tài)參數(shù)兩種方法，針對(duì)靜態(tài)參數(shù)久久偷窥视频，提出了用伺服環(huán)的方法amA片免费看，采用高精度電壓源，高精度電壓表和數(shù)字比較器的測(cè)試原理禁止看黄片；針對(duì)動(dòng)態(tài)參數(shù)99久久精品这里只有精品，提出了用DDS芯片AD9851產(chǎn)生高信噪比的正弦波，采用高速采樣模塊采集數(shù)據(jù)一级艳片真人视频观看，最后用FFT算法對(duì)采集的數(shù)據(jù)進(jìn)行處理国产模特视频一区一页。

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The high temperature and high pressure experiments show that the strength of rocks is very high in earthquake source (mainly granitic rocks, such as adamellite), which could sustain great different stress and accumulate huge energy. This is one of major causes for high-angle reverse fault slip and high intensity of Wenchuan earthquake.

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The presterssed anchor cable frame combined with backwall, drainage is necessary due to longtime sability and permanent utilization.Firstly,according the study of engineering of geology situation of the high slope, the mechanism of deformation failure and the major hazard of the high slope of PanMei is analysed comprehensively.And the whole slope is divided into two different geology enginnering areas:Western slope(1160 section plane -1240 section plane)and Eastern slope(1240 section plane -1320 section plane). The result of 3D numerical simulation is the same as geology judgement. Later,slope cut (1:0.75) is implemented based on the engineering comparison and criterion.Meanwhile, Limit equilibrium method , Monte Carlo Probabilistic slope stability the stability , Sensitivity analysis and Finent element method of for assessing the cutted slope stability is carried out. The result indicates that Western slope is instable, Eastern slope is relatively stable.So much attention should be paid to Western slope.Different reinforcement measures in different areas are given according to its stability and meet economical request. Gravity wall is introduced in accordance with landform in order to prevent small falling at the foot of the high slope ,which will be a threat to the high slope stability. Handling measure is also applied to Eastern slope. At last,FLAC3D numerical analysis shows the feasibility and reasonableness of the handling measure of the high slope.

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