The invention comprises a main body of the reactor, the dynamic heat pipe, fins, a turbine, a motor, a transmission mechanism and a cold air jacket; the segment of the dynamic heat pipe in the main body of the reactor is a heat absorbing section; the segment of the dynamic heat pipe outside the main body of the reactor is a heat release section; the main technology characteristics are that the heat absorbing section of the dynamic heat pipe is connected with a central stirring shaft; and the heat absorbing section is used as a mixing impeller blade.

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To estimate the effect of three differentapproaches on operative exposure by measuring the distance between rear part ofposterior semicircular canal and anterior margin of the sigrnoid sinus at the level oflateral semicircular canal,exposure areas of posterior fossa,operative angle of visionand residual lateral projection area of drilled semicircular canal.

3另9例尸頭標(biāo)本行迷路后入路人人人人操在钱伦乱频视、PLPA入路及經(jīng)迷路入路，測量外半規(guī)管水平半規(guī)管后端與乙狀竇前緣的距離在线欧美三级片、后顱窩暴露面積最新国产真实偷人视频、手術(shù)視角及殘留半規(guī)管的側(cè)方投影面積，評價(jià)三種不同手術(shù)方式對手術(shù)暴露的影響欧美视频精品二区。

The mechanical property testing shows that the seamless PLLA tubes perform excellent radial strength,which indicates that the mechanical properties of biodegradable stents made of these tubes was supposed to be excellent.PLLA and its composites were first used in preparing seamless tubes as antecedency of laser-cut biodegradable coronary stents in china.Finite element analyses of the biodegradable coronary stent model indicate the explorative design basically meets the requirement of reasonable and applicable stents.There is not such kind of research yet in domestic.Optimum laser-cuttting parameters of CO2 laser was cauculated based on experiential formula,within it,biodegradable coronary stents,especially those with complex structure would be manufacutured from seamless tubes quickly by laser microprocessing with high consistency to the design model.The processing efficiency of the CO2 laser demonstrated in experiential formula by us will play an important guiding role in manufacturing biodegradable stents by laser-processing.Our stents that ascribed to laser-cutted,slotted tube stent are proved to be biodegradable, self-expandable and good biocompatible,basically reach the international level on the aspest of manufacturing procedures and design.

研究結(jié)果表明：殼聚糖改性材料綜合性能優(yōu)于純PLLA久久机这里只有精品，更適合于作為可降解冠脈支架的原材料；自主設(shè)計(jì)的探索性自膨脹管狀閉環(huán)型可降解冠脈支架的性能符合冠脈設(shè)計(jì)要求亚洲性色狠操，設(shè)計(jì)男女无遮挡全过程免费视频、驗(yàn)證生物可降解冠脈支架模型的研究在國內(nèi)還未見報(bào)道；制備的改性PLLA無縫管的力學(xué)性能優(yōu)越人人艹在线视频，可通過激光切割獲得冠脈支架cao美女视频，這是國內(nèi)首次采用聚乳酸材料來制備通過激光加工出可降解冠脈支架的無縫管；二氧化碳激光器加工精度能達(dá)到加工要求看久久久久久久一级毛片，加工出來的血管支架名義設(shè)計(jì)與實(shí)測值誤差小精品久久久黄视频网站，實(shí)現(xiàn)了冠脈支架、尤其是帶有復(fù)雜外觀設(shè)計(jì)冠脈支架的快速化在线免费观看a级毛片、規(guī)范化加工无码一级做a爱过程免费视频，對二氧化碳激光器加工聚乳酸材料的效果研究在國內(nèi)外屬于首創(chuàng)，獲得的經(jīng)驗(yàn)公式對日后的深入研究有重要的指導(dǎo)意義黄色网站视频啪啪啪；制備的支架為激光切割管狀閉環(huán)型冠脈支架免费A片性爱吸奶头视频，支架外觀設(shè)計(jì)欧美日本草逼、支架加工手段、支架的性能都基本接近國際水平www.黄色片com，支架樣品符合設(shè)計(jì)的理念亚洲黄网免费，可以實(shí)現(xiàn)自膨脹功能。

What is called that the annulus of the inner cylinder executing a planetary motion is: the inner cylinder which can form the annulus is not only rotating by the axis of itself, but also rotating by the axis of the outer cylinder in the annulus.

所謂內(nèi)管做行星運(yùn)動(dòng)的環(huán)空是指：構(gòu)成環(huán)空的內(nèi)管不僅繞其自身軸線自轉(zhuǎn)免费日韩黄色片品尚网，而且還同時(shí)繞環(huán)空外管的軸線公轉(zhuǎn)国产精品2018不卡在线观看。

The phonon dispersion curves of single wall boron nitride nanotubes were calculated.

計(jì)算了單壁氮化硼納米管的聲子色散關(guān)系，給出了扶手椅管和鋸齒管拉曼和紅外活性模的頻率隨管徑的變化規(guī)律精品视频国产狼友第28页。

The conversion boundary of self-incompatibility was researched by sowing by stage. Sunshine of day and temperature was studied critically by investigating leafage and researching traits indoors. The results showed that the daily minimum temperature was the principal factor of affinity conversion and the affinity conversion boundary was 16.5~18.1℃.HE97 was primarily regard as self-incompatible line in this research. The method was by inbreeding and sib HE97, Half the silk of HE97 and Zheng58. Inbreeding and cross have been done simultaneously. The extending condition of pollen tube was observed by dying the silk after pollinating 4 hours. The individuals with pollen tube were observed having seeds, while the individuals without pollen tube were observed having few seeds or no seeds. So this study regard HE97 as sporophytic self-incompatibility .The planting ration of female parent HE97 and male parent 87-1 was 4:1.The nature cross-pollination was studied by the theory of endosperm xenity, the study show that the setting percentage of HE97 was 625%, in which the seed in self was 70% and the seed in hybrid was 30%. This was consistent with the study of silk anatomy structure, then come to the same conclusion: compatible pollen germination and fertilization can stimulate the self-incompatible pollen germination and fertilization in the same corn cob.

通過分期播種日韩网络福利直播网站在线观看视频，進(jìn)行了光溫敏自交不親和材料HE97親和性轉(zhuǎn)換區(qū)間的研究，依據(jù)田間跟蹤調(diào)查葉齡及室內(nèi)考種研究了HE97親和性轉(zhuǎn)換區(qū)間的光溫臨界值性欧美野外激情，結(jié)果表明：1日最低溫度是影響HE97自交不親和性的主要原因欧美性网入口，親和性轉(zhuǎn)換區(qū)間在16.5℃～18.1℃之間。2通過HE97自交和姊妹交以及將HE97與鄭58作為雙親女生被男生操的黄色网站，各自的花絲一分為二www,国产原创Com。，分別正反交，授粉后4個(gè)小時(shí)分別取其花絲進(jìn)行固定A片网站视频在线观看、染色另类黑人欧美啪啪亚洲图片，觀察花粉管的伸長情況，根據(jù)結(jié)實(shí)率與花粉管伸長的對應(yīng)關(guān)系人人操午夜精品，結(jié)果發(fā)現(xiàn)觀察到花粉管的對應(yīng)植株收獲到了種子国产91精选无码观看，而沒有觀察到花粉管的對應(yīng)植株結(jié)實(shí)率極低或沒有結(jié)實(shí)，本研究把HE97初步劃為孢子體自交不親和類型免费一级毛片线在线播放。3以HE97為母本国产在线AAAAAA片，87-1為父本，按4母：1父行比男人天堂网2021，通過花粉直感效應(yīng)研究天然異交率高清无码aaaaa特级黄色视频免费看视频，結(jié)果母本HE97結(jié)實(shí)良好(62%)，其中自交粒占70%中文字幕一区二区观看，異交粒占30%国产女同一区二区在线视频，結(jié)合花絲切片觀察表明，親和花粉的萌發(fā)及受精會導(dǎo)致落在同一果穗柱頭上不親和花粉的萌發(fā)不再受抑制在线免费视频91。

These specific absorption bands are in relation to the special energy levels.

人們經(jīng)過十多年的時(shí)間av黄色免费观看，對鈦酸鹽納米管的組成、形成機(jī)理和物理化學(xué)性能進(jìn)行了大量的研究黄在线观看www页站，但是到目前為止人人澡人人摸人人舔人人看，研究者對其形成機(jī)理在线观看网址黄色、可見光吸收等特殊光電性質(zhì)的來源日韩欧美国内自拍视频、結(jié)構(gòu)穩(wěn)定性等方面的認(rèn)識尚不清楚在免费jIzzjIzz在线视频网址，因此本論文對這些方面開展了如下研究：在第二章中我們從熱力學(xué)的角度系統(tǒng)地研究了煅燒溫度對鈦酸鹽納米管形貌、結(jié)構(gòu)穩(wěn)定性和光學(xué)性能的影響日本黄页网战，發(fā)現(xiàn)鈦酸鈉納米管是熱力學(xué)穩(wěn)定的AV-级福利黑白配久久，而鈦酸納米管是熱力學(xué)不穩(wěn)定的。

The experimental teeth were prepared using the modified double-flared technique and obturated by lateral condensation and vertical condensation with AH Plus or Pulp Canal Sealer EWT sealer.

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The paper describes the reason why the 1000MW ultra supercritical steam turbine with HP single bypass valve using HP casing start-up was not applied with HP exhaust non-return valve and introduces the methods to prevent over-speed for load rejection,HP casing overtemperature and water admission.

論述了采用高壓缸啟動(dòng)方式的帶高壓一級旁路的1000MW超超臨界汽輪機(jī)不設(shè)高排逆止門的依據(jù)及其防止汽輪機(jī)甩負(fù)荷超速免费的三级网址、高缸超溫與進(jìn)水的方法：一是在高壓導(dǎo)汽管上加裝通風(fēng)閥，二是在冷再管上加裝通往凝汽器的排汽管这里只有在线精品视频，三是在冷再管的低位加裝能顯示水位网站色色色色色、自動(dòng)報(bào)警及自動(dòng)疏水的疏水罐。

Since the turbine-driven feedwater pump failed to regulate directly the drum level of single boiler and problems like pressure overrun of main feedwater pipe existed, DCS was utilized to solve the problems for its features of shared information, powerful configuration functions and easy modification.

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