A mechanic model of a thin tube p asted with an actuator, is presented, the mixed deformations of compr ession and torsion of the tube are analyzed and the relation between the angle o f twist of the tube and temperature in a temperature cycle is given.

建立了粘有SMA絲應(yīng)變驅(qū)動(dòng)器的薄壁圓管的力學(xué)模型亚洲一级黄色视频一二区，分析了一個(gè)溫度循環(huán)中，薄壁圓管受SMA驅(qū)動(dòng)發(fā)生的壓扭復(fù)合變形一区二区一级黄色视频，給出了薄壁圓管扭轉(zhuǎn)角與激勵(lì)溫度之間的關(guān)系欧美多毛XXXXX性喷潮6。

Consider a uniform magnetic field parallel to the tube axis, and it changes the angular momentum from to .

在奈米碳管的管軸方向外加與管軸平行的磁場(chǎng)，會(huì)對(duì)角動(dòng)量造成影響精品在线观看公司，由原本的不連續(xù)值改變?yōu)檫B續(xù)值的成年免费视频黄网站在线观看不卡。

Compared with smooth tube,micro-fin tube has more geometrical parameters that influence heat transfer to different extent.Many scholars has done much work on it,but some research results are different or even contradictable.

相對(duì)于光管，微肋管的結(jié)構(gòu)參數(shù)相對(duì)較多强奷漂亮的女教师中文字幕，這些結(jié)構(gòu)參數(shù)的變化會(huì)不同程度地影響微肋管的換熱能力国产精品系列一区二区三区，國內(nèi)外的很多學(xué)者進(jìn)行了研究，但結(jié)論相差較大欧美乱色伦图片区小说，甚至完全相反十八岁免费网站。

We used coupling phototube convert the voltage of reflector voltages of klystron linearly to lower voltage, and convert the lower voltages of standing wave measuring line and crystal detector inputting power linearly to higher voltages by operation amplifier. Then we inputted these voltages to computer by analog-to-digital card and plotted the graphs of working characteristics of reflecting klystron with software .

利用光電耦合器將速調(diào)管反射極高電壓線性轉(zhuǎn)換為低電壓欧美黄色视频久久，同時(shí)將駐波測(cè)量線測(cè)得電場(chǎng)強(qiáng)度的電壓值和晶體檢波器所測(cè)得的反射式速調(diào)管輸出功率的電壓值通過運(yùn)算放大器線性放大，然后經(jīng)過模數(shù)轉(zhuǎn)換卡采集到微機(jī)中看欧美性爱视频123区，利用軟件繪制出速調(diào)管的工作特性曲線欧美性爱一级视频在线。

The authors used coupling phototube convert the voltage of reflector voltages of klystron linearly to lower voltage and converted the lower voltages of standing wave measuring line and crystal detector inputting power linearly to higher voltages by operation amplifier. Then inputted these voltages to computer by analog-to-digital card and plotted the graphs of working characteristics of reflecting klystron with software.

利用光電耦合器將速調(diào)管反射極高電壓線性轉(zhuǎn)換為低電壓，同時(shí)將駐波測(cè)量線測(cè)得電場(chǎng)強(qiáng)度的電壓值和晶體檢波器所測(cè)得的反射式速調(diào)管輸出功率的電壓值通過運(yùn)算放大器線性放大美女黄频视频久久，然后經(jīng)過模數(shù)轉(zhuǎn)換卡采集到微機(jī)中亚洲人妻网页，利用軟件繪制出速調(diào)管的工作特性曲線。

A mathematical model of heat transfer in batch type radiant-tube enameling furnace is established by imagine plane method and the calculation is made.

利用假想平面法建立了室式輻射管搪燒爐傳熱數(shù)學(xué)模型国产精品大乳在线观看，并進(jìn)行了仿真計(jì)算√天堂中文www官网av，結(jié)果表明，假想平面法能夠大大簡(jiǎn)化室式輻射管搪燒爐內(nèi)大量的角系數(shù)的計(jì)算免费日韩A级片，并可對(duì)爐子的有關(guān)參數(shù)(如輻射管的距徑比亚洲日本一区二区三区、布置、爐墻結(jié)構(gòu)等)進(jìn)行優(yōu)化計(jì)算欧美熟妇性XXXX交20p。

Dimensionless equation of air flow resistance is functional relation of Euler number, Reynolds number and Prandtl number, is set up after experimental data is analyzed Air resistance through cooling coil is conveniently computed , fan of the new cooling tower is correctly selected and suitable distance of among cooling tubes is designed by the dimensionless equation.

建立了空氣流動(dòng)阻力的準(zhǔn)則方程www.干干干.cao，即歐拉數(shù)Eu與雷諾數(shù)Re、普朗特?cái)?shù)Pr之間的函數(shù)關(guān)系中日韩av电影。利用這個(gè)準(zhǔn)則方程可以方便地計(jì)算空氣流經(jīng)冷卻盤管的阻力人人干人人操人人上，合理地選配封閉式冷卻塔所用風(fēng)機(jī)和設(shè)計(jì)冷卻盤管的管間距。

Till now, the most used method for storage of hydrogen in array of SWNT's is by physisorption inside the SWNT's and on the outer surface of the SWNT's or in the interstice between SWNT's.

到目前為止2022黄片视频，在單壁碳納米管陣列中貯存氫的最常用的方法是通過虹吸作用或電化學(xué)作用使氫物理吸附在單壁碳納米管的內(nèi)部欧美一区爽爽午夜福利视频、外表面上或者單壁碳納米管之間的間隙中。

According to the results, we can find that female reproductive systemis made up of ovary, lateral oviduct, common oviduct, spermatotheca, accessory glandand genital chamber, which is typical polytrophic type. Then the male reproductivesystem consists of testes, vas deferens, vas efferens, seminal vesicle, ejaculatory duct,male accessory gland and pygostyle. Moreover accessory gland is fully developed,seminal vesicle is unclear, males testes and testicular follicle has degenerated before itflying, and the quantity of testicular follicle is different from the other kind of ants.

結(jié)果發(fā)現(xiàn)欧美亚洲日韩另类，擬黑多刺蟻的雌性生殖系統(tǒng)由卵巢免费深夜福利网站入口、輸卵管、中輸卵管广西A级黄色视频、受精囊欧美人在线、生殖腔和雌性附腺等結(jié)構(gòu)組成，為典型的多滋式卵巢a黄色视频在线观看；雄性生殖系統(tǒng)由精巢日韩插逼视频免费看、側(cè)輸精管、輸精管一区二区三区熟女少妇视频、貯精囊天天日狠狠插、射精管、雄性附腺及陰莖等結(jié)構(gòu)組成3yz14.com，雄性附腺發(fā)達(dá)一区二区精品视频在线观看，貯精囊不明顯，婚飛前雄蟻的精巢及精巢小管已逐漸退化亚洲一级黄色片，精巢小管的數(shù)量與其它種類螞蟻存在一定差別先锋生活资源。

The device includes a drill spigot inserting into the marebase sand layer through the upper cover soil layer, there sets air inlet, sand discharging pipe and vibration connecting pipe in the drill spigot; there sets a sand absorption head on the bottom of the air inlet and sand discharging pipe; the bottom of the vibration connecting pipe connects with the vibration head; the sand absorption head is made up of a centre cavity, ring cavity and sand absorption pipe.

該裝置包括一穿透上部覆蓋土層插入到海底深埋砂土層的鉆孔套管看免费老太婆一级毛片，在鉆孔套管內(nèi)，設(shè)有進(jìn)氣管特级毛片无码无遮挡免费播放、排砂管和振動(dòng)連接管欧美一级特黄A片免费看是日本牲；進(jìn)氣管和排砂管的下端連接一個(gè)吸砂頭；振動(dòng)連接管的下端連接振動(dòng)頭亚洲国产精品九九九九婷婷；吸砂頭由一中心腔室黄色视频搞得啊啊啊叫、環(huán)狀腔體和吸砂管構(gòu)成。