Functionalized propargylic dithioacetals have been applied to one-pot furan annulation to afford the corresponding functionalized oligoaryls.

中文摘要應(yīng)用官能基化的炔丙基硫縮酮進(jìn)行一鍋式呋喃稠合反應(yīng)igao视频网在线视频，可產(chǎn)生相對應(yīng)之寡聯(lián)芳香環(huán)化合物中国在线无码视频。

It is a kind of double-twist star quadding machine with motorized taking-up, tension control system, twist pitch maker(pre-spiraller), enclosed bow type carriage, separator, yarn binder, capstan wheel, bar traverser and semi-automatic reel loader-unloader, etc.

高速星絞設(shè)備High-speed Planetary Stranding Machine 概述：本機(jī)主要用于長途通信電纜的四線組絞合，是一種雙節(jié)距星絞機(jī)国产AV无码片毛片一级哺乳期，由主動(dòng)收線人与动人物杂交欧美在线播放、張力控制裝置自拍偷拍第2页、扭矩發(fā)生器、封閉弓式絞籠国产最新黄网站在线观看、分離器日韩福利国内主播在线播放视频、扎紗裝置、牽引輪欧美综合激情五月丁香六月、光桿排線及半自動(dòng)線盤裝卸裝置等組成黄色网站免费精品。

With the requirements of parallelism, flatness, concentricity and

式除塵器用分氣箱》的要求外，還應(yīng)附合如圖15所

Such equipment is the main magnetic power, can provide a one-way communication and half-wave rectifier power magnetizing current, accessories have contact, clamp, opening and closing, and closed-type magnetizing coil and flexible cables that can carry out contact method, clamp power law and the magnetic coil method.

這類儀器主體是磁化電源欧美视频黄色，可提供交流和單向半波整流電的磁化電流2021偷拍、附件有觸頭、夾鉗精品国产Ⅴ无码大片在线观看81、開合和閉合式磁化線圈及軟電纜等三十五级黄色网站，能進(jìn)行觸頭法、夾鉗通電法和線圈法磁化免费午夜毛片。

On the basis of these results, the relations of total-pressure recovery coefficient or flow coefficient and flight mach number, angle of attack and the second movable wedge angle of the inlet have been founded by hypersurface fitting, then the mathematical model of the inlet is established.

根據(jù)流場計(jì)算結(jié)果并利用超曲面擬合方法建立了進(jìn)氣道總壓恢復(fù)系數(shù)不卡日本黄色三级片、流量系數(shù)與飛行馬赫數(shù)、進(jìn)氣道攻角及二級(jí)可調(diào)斜板角度之間的關(guān)系91视频聊天网最新网站，由此得到了二元混壓式超聲速進(jìn)氣道數(shù)學(xué)模型。

Our investigation shows that neither the dioritic porphyry nor the sedimentary rock is the source of iron ores, and that the source of most ironrich orebodies is the ore magmahydrothermal system in the deep chamber. Ore magma which was formed by liquid immiscibility is the main source of Gushan deposit, and the residual ironrich hydrothermal fluids which occurred as NaFeCl complex is the main source of Baixiangshan deposit.

根據(jù)野外觀察和地球化學(xué)研究大屌干屄视频，文中認(rèn)為超碰国产人人洗澡人人操，閃長玢巖巖體和沉積圍巖均不是鐵質(zhì)的主要來源，富鐵礦體的成因主要來自礦田深部的礦漿熱液系統(tǒng)亚洲视频在线播放路线一，姑山式鐵礦的鐵質(zhì)主要是液態(tài)不混溶作用形成的鐵礦漿av无码中文字幕不一二三区，白象山式鐵礦的鐵質(zhì)主要來源于深部殘漿分離出的NaFeCl絡(luò)合物。

Its core part is the direct evaporative heat interchanger, it is folds after the special handling ripple tissue paper gathers the thing.

其核心部件是直接蒸發(fā)式換熱器国产一级婬乱片A片片片，它是經(jīng)特殊處理的波紋纖維紙疊合物人人摸人插。

Chapter 3 addresses on type logical comparison of courtyard dwellings in North China.

第四章，北方地區(qū)合院式傳統(tǒng)民居體系中的河南民居久草国产在线视频。

Rresults from those studies can be summariazed as follow:(1) A preliminary study no correlationship between the UV-VIS reflection spectrum of tomato fruit surface and the lycopene amount of tomato fruit was undertaken. Based on observation from this study, a damage-free and in-situ detection technique of lycopene amount from tomato was developed with UV-VIS reflection spectroscopy;(2) The geometrical isomers of lycopene were separated successfully on C30-HPLC-PDA-ELSD. The absorption coefficients of Z-isomers were consequently dedermined. The geometrical isomer composition of lycopene could therefore be assessed. Those efforts formed a solid base to identify the natural product from synthetic compound of lycopene;(3) Lycopene resource from the fruit of Autumn oliver was proved to be available for industrial application. An extraction methos of lycopene from the fruit of Autumn oliver by supercritical carbon dioxide was developed at laboratory scale;(4) A method to extract lycopene by supercritical liquid with improved efficiency was developed; Data from this investigation suggested that a proper raw material pre-extraction process was important for a better extraction efficiency;(5) Variation in the geometrical isomer composition of lycopene during its metabolish in rat was assessed. A large amount of Z-isomers were observed. This variation took place in serum;(6) The absorption rate and accumulation in serum of natural lycopene in rat were assessed;(7) Ability to quench singlet oxygen by different geometrical isomers of lycopene was compared;(8) It was detected that whether natural lycopene had functions to regule blood-lipids and LDL antioxidation;(9) A C31 degradation piece of lycopene was found in the prostate gland of rat.

研究結(jié)果包括：[1]應(yīng)用UV-VIS反射光譜法建立了番茄果實(shí)中番茄紅素含量的無損傷人人爱人人操人人、現(xiàn)場檢測技術(shù)；[2]應(yīng)用C30-HPLC-PDA-ELSD技術(shù)實(shí)現(xiàn)了對番茄紅素幾何異構(gòu)體的分離日韩午夜网页在线观看免费，測定了不同順式異構(gòu)體的吸光系數(shù)黄操逼视频网站，建立了天然番茄紅素幾何異構(gòu)體組成的檢測方法，為區(qū)分和鑒定人工合成品和天然產(chǎn)物奠定了基礎(chǔ)在线看黄片.com；[3]證實(shí)了秋橄欖果實(shí)中的番茄紅素資源具有工業(yè)開發(fā)價(jià)值国产最新网址在线观看，并建立了超臨界CO_2萃取的實(shí)驗(yàn)室方法；[4]探索了提高番茄紅素超臨界流體萃取效率的方法国产日韩亚洲精品欧美，證明了物料前處理對提高萃取效率起了極其重要的作用色哟综合啪啪；[5]觀察了番茄紅素在大鼠體內(nèi)幾何異構(gòu)體組成的變化情況，發(fā)現(xiàn)了大量順式異構(gòu)體的存在，并證實(shí)了幾何異構(gòu)體組成在血清中發(fā)生了顯著變化乱子无码伦A∨在线A；[6]測定了天然番茄紅素在大鼠體內(nèi)的吸收率和在大鼠血清中的動(dòng)態(tài)積累規(guī)律717影院理论午夜伦不卡,；[7]比較了不同番茄紅素幾何異構(gòu)體淬滅單線態(tài)氧的能力；[8]檢測了天然番茄紅素是否具有調(diào)節(jié)血脂作用和抗低密度脂蛋白氧化的功能免费观看日批视频；[9]首次發(fā)現(xiàn)大鼠前列腺內(nèi)存在番茄紅素C31降解片段免费一级A片毛毛片在线播放i，并證實(shí)其仍具有淬滅單線態(tài)氧的能力。

Aiming at the house type of Duplex Apartment has higher function space adaptive capacity and is wide mentioned, this article centres on basic principle of "house adaptability ", researches adaptability design of Duplex Apartment by analyzing several examples and describes four primary design means, such as combination and divide of the whole flats, function neutrality, present combining future and adjustment and expansion of function in housing space.

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