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According to geological characteristics of mineral area,geological conditions of mineralization,geochemical characteristics,material sources of mineralization,mineralization patterns,as well as physical and chemical conditions of mineralization,it summarize the mineralization pattern and genesis of ore deposit of Xianghualing mining areas,considering that mineralization materials in this deposit mainly come from magma,genesis patterns of deposit include high-temperature gas-liquid Nb、Ta deposit related to albitization laying in or on the edge of granite rock bodies,median-high temperature Skarn Sn,Be deposit related to skarnized laying at the inner contact-belt of granite and carbonate rock bodies;median-high temperature cassiterite -sulphide mineral deposit related to skamized laying at outer contact-belt of granite and carbonate rock bodies and median-low temperature hydrothermal liquid Pb-Zn-Ag deposit related to silicification,fluorite, propylitization laying in wall rocks;Series of generalized magma- hydrothermal liquid type Sn-polymatellitic related to magmatic activity in Yanshan period as a whole.

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Successfully applying to nonlinear structure analysis and active control with time-delay consideration,the high order single step method shows its good stability,high precision and high speed computation,etc.

高階單步法已成功地應(yīng)用于結(jié)構(gòu)非線性分析及考慮時(shí)滯的主動(dòng)控制等日韩福利一区二区，顯示了它的穩(wěn)定在线观看黄片毛片不卡、精度高和計(jì)算迅速等特點(diǎn)。

Because the successful application to nonlinear analysis of structure vibration and active control takes into account the time-delay,the high order single step method shows good stability, high precision and high computing speed, etc.

由于高階單步法已成功地應(yīng)用于結(jié)構(gòu)非線性分析及考慮時(shí)滯的主動(dòng)控制等91亚洲福利，顯示了它的穩(wěn)定偷拍福利视频网站、精度高和計(jì)算迅速等特點(diǎn)。

The permanent magnets are now mouthed at the exterior of the high-pressure vessel and are no longer in contact with the fluid sample. So this construction of equipment decreases the contamination of each other. Concerning the temperature-control system, the present instrument employs one non-vibrating new technology. In the high pressure systems, a simple and fast high-pressure pump was used to generate hydraulic pressure. This equipment is more easy to control than the literature\'s methods. A digital lock-in amplifier has been used as sinusoidal current function generator and the induced signal detector.

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The slide rest uses high sterngth industrial aluminum alloy sections and boasts the characteristcs of high strength ,high wearability,no distortion and anode oxidative surface.

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In this project, a high fermented ability, high active, low cost, smell-less bacterial is selected and the project will develop a advanced bacterial enlargement technics scientificly, then produce a fermented bio-pharmaceutical in a large scale, which is high-quality and efficient.

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Taking the harmonic attenuation of the 10KV power distribution network at the 110KV substation in a smeltery as object of study, this dissertation aims to do research on the control strategies and its industrial application technologies for eliminating harmonic in medium and high voltage power network, prepare theory and teclinological knowledge for its universal application in our country, and accumulate experiences for its high-voltage and high-power application.

本文以某冶煉廠110KV變電站10KV饋電網(wǎng)的諧波治理為研究對(duì)象国产女人人人操人人爽，旨在研究中壓西西人体www、中等容量電網(wǎng)的諧波治理控制策略和工程應(yīng)用技術(shù)，為有源電力濾波器在國(guó)內(nèi)的早日普及應(yīng)用奠定理論和技術(shù)基礎(chǔ)，為高壓日韩免费精品大片在线播放网站大全、大功率APF的應(yīng)用投石問(wèn)路AAA片一级一片免费、積累經(jīng)驗(yàn)。

Research on High Frequency Electronic Ballast for 400W High Pressure Sodium Lamp;2. High Pressure Sodium HP.

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The electron ballast device of high voltage sodium lamp is a kind of product with high conservation effective在线观看网站人成、 and green environment protection, which has the characteristics of high reliability and protection function in abnormal state.

高壓鈉燈電子鎮(zhèn)流器是一種高效節(jié)能在线看毛片A片、綠色環(huán)保型產(chǎn)品，具有高可靠性黄色视频啊啊啊啊，異常狀態(tài)保護(hù)等特點(diǎn)黄色av站在线观看。