膨脹殼 的英文怎麼說
中文拼音 [péngzhàngké]
膨脹殼
英文
expanding shell-
The housing has a higher coefficient of expansion than the ring.
殼體比圓環具有較高的膨脹系數。Among the ways that motorists have made this clear : spraying the cameras with paint ; knocking them over ; covering them in festive wrapping paper and garbage bags ; digging them up ; shooting, hammering and firebombing them ; festooning them with burning tires ; and filling their casings with self - expanding insulation foam that, when activated, blows them apart
駕車者的下列行為清楚地表明了這一點:給相機噴灑顏料;撞倒相機;用喜慶的包裝紙和垃圾袋將它們蓋住;把相機挖出來;用槍射擊、用錘子砸和用燃燒彈炸;用燃燒的輪胎在上面結彩;將自身膨脹的絕緣泡沫塞進相機外殼,一旦泡末膨脹起來,能將相機撐開。The fixed expansion points of the general shroud allow a better definition of local shock locations than on ogive type shrouds.
一般外殼的固定膨脹點能比蛋形外殼更好地限定局部激波的位置。Not all parts of the star exhibit continued shrinkage; sometimes the stellar core will continue to shrink while the envelope expands, and vice versa.
並非星體每個部分都收縮,有時星核不斷收縮而殼層卻在膨脹,或者相反。The sn - cu alloys with shell structure were prepared to reduce the problem of volume expansion. the morphology and composition of these alloys were charactered by sem and ed
為了緩解錫合金在循環過程中的體積膨脹,使用熱處理的方法制備了殼層結構的sn - cu合金材料。As the nuclear burning moves outward to the fresh material in a shell surrounding the core, the star bloats into a so - called red giant
當核燃燒向外進行到核心周邊殼層的新物質時,恆星會膨脹成所謂的紅巨星。The helium core of the star starts to collapse. this gravitational contraction will heat up the hydrogen envelope surrounding the core. fusion therefore begins in the envelope and the star expands
剩下的氦核心便會開始塌縮並產生熱,緊鄰核心的氫外殼會被加熱而開始有熱核反應恆星亦同時膨脹。The expansion of the envelope will gradually thin out the obscuring dust.
包殼的膨脹會使不透明的塵埃逐漸變得稀薄。All red giants are variable stars. the core keeps on contracting and heating up until it is hot enough for the
所有紅巨星都是變星,當外殼不斷膨脹,氦核心同時不斷收縮加熱,直至足以燃燒氦我們稱之為The research of this paper includes : ? high - speed photography and flash x - ray radiography are both used to capture the process of al shell ' s great deformation under low pressure. front illuminations are used to get the development of the fracture on the al shell. the relative energy release is analyzed from overpressure curves measured with some sensors
本文的研究內容主要包括: ?在受試炸藥經歷低應力大變形過程的susan試驗中,同時採用高速攝影、閃光x射線照相對彈體的撞靶過程進行了拍攝,得到了殼體膨脹變形過程圖像,並使用前照明技術觀察到了鋁殼表面產生的裂紋及其發展變化過程;從壓力傳感器測量的空氣沖擊波超壓曲線,獲得反應釋放總能。A steam box on the shell is used for letting steam or back - water into condenser, and a drain box at the bottom with a liquid level indicator is used for inspecting the liquid level in the vessel
冷凝器為臥式,殼體上設有膨脹節、蒸汽箱和冷凝箱,蒸汽箱供蒸汽和疏水進入器內,凝水箱上配有液位計,可觀察器內水位高度。Studies on the dynamic fracture of thin cylindrical shells subject to internal explosive loading
內部爆炸載荷下薄壁柱殼膨脹斷裂的研究Hull of this machine is designed in line with flow type of whirlwind dust catcher : to separate dust with large size granule firstly, then remove fine dust with filtering bag. the revolved nozzle will burst back - blow current from top to lower place periodically to force the bag to expand, shake off dust on the filtering bag which enhances service life of filtering bag and assuring dust removing effect
該機機殼按旋風除塵器流型設計,將大顆粒粉塵首先分離出來,細微粉塵由濾袋清除旋噴管周期性地向濾袋自上而下的噴出反吹氣流,迫使濾袋膨脹振動抖落濾袋上的積塵,提高了濾袋壽命,保證除塵效果The helium will burn steadily and the higher energy production rate will heat up the star. the star will swell to a size even larger than a red giant and we have a
在恆星強大質量的約束下,核心氦聚變成碳的過程能穩定地進行,在核心高熱的煎熬下,恆星外殼會極度膨脹成為比紅巨星更巨大的Observations from each telescope highlight distinct features of the supernova remnant, a fast - moving shell of iron - rich material from the exploded star, surrounded by an expanding shock wave that is sweeping up interstellar gas and dust
各望遠鏡的觀測突出的是超新星遺跡不同的部位,恆星爆發產生的高速富鐵殼層,周圍包裹著膨脹的激波,掃過星際氣體和塵埃。By introduction to structure analysis and design calculation of middle pressure tubular waste heat boiler with expansion joint, the author thinks rational selection to the standard and code of the boiler and vessel is the key to assure the product design and manufacture quality and guarantee personal safety without the special national standard " tubular waste heat boiler " now
摘要通過介紹一臺6t / h 、帶膨脹節的中壓管殼式余熱鍋爐的結構分析和設計計算過程,認為在目前國內尚沒有專門的《管殼式余熱鍋爐》標準情況下,合理選用各受壓元件所對應的鍋爐、壓力容器標準規范,是確保該類產品設計製造質量和保障人身安全的關鍵。Above 450, the formation of low density u ( al, si ) 3 phase, together with the release of the impurity gas and fragmentation of u3si2 particles, will cause fuel meat to swell, al matrix to crack and u3si2 particles to invade to clad. as a result, the thickness of the meat increased, the thickness of clad decreased and the deformation of fuel plates increased, and the leakage probability of the radioactive mass increased reasonably
同時,由於芯體膨脹及鈾硅顆粒碎裂的綜合作用,使u _ 3si _ 2顆粒向包殼侵入,最終使燃料板芯體厚度增加較大,芯體及燃料的體積也顯著增加,包殼厚度減薄;高溫將加速芯體u _ 3si _ 2顆粒碎裂、芯體開裂、包殼以及燃料板變形,從而使燃料芯體與包殼脫開,最終可能導致放射性物質泄漏。? by comparing the experimental data with the modeling results, it was found that the he in the projectile produces reaction after considerably long time. and the expansion velocity of the shell is about one hundred meters per second, far below the velocity driven by detonation ( about 2000m / s ). ? the post - test recovered fragments prove that the reaction violence remains on low level
?通過試驗結果和數值模擬的殼體邊界和徑向膨脹速度的對比分析,發現帶炸藥彈體在以120m s左右的速度撞擊鋼靶后,經歷了相當長時間后才產生反應,且此時殼體的膨脹速度僅在百米每秒的水平,遠低於爆轟驅動下能達到2000m s左右的速度。分享友人