試驗彈頭 的英文怎麼說
中文拼音 [shìyàndàntóu]
試驗彈頭
英文
dummy warhead-
In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。Based on the line spring model of rice and levy, this paper sets up eight nodes line spring element and its stiffness matrixes and works out a program consist of prism element, hexahedron element and line spring element
編制了五面體單元、六面體單元和八節點線彈簧單元相結合的計算程序,計算了t型板接頭表面裂紋的應力強度因子,計算值與光彈性試驗結果吻合較好。A new and final round of mirv tests was scheduled to start in may.
新的,也是最後一輪的多彈頭分導導彈試驗定於五月份開始。South korea is urging north korea not to test nuclear warheads, warning that such action would seriously threaten international stability
韓國呼籲北韓不要試驗核彈頭,警告說這種舉動將對國際穩定構成嚴重威脅。But their original mission of designing nuclear warheads, apparently, also has not suffered despite international agreements like the comprehensive test ban treaty
但是他們最初設計核彈頭的任務顯然地也沒有受到像全面禁止試驗條約談判的國際協議影響。Case a we called here is a type of srmcs based on designing method a. case b was redesigned based on case a in order to meet the needs of enhancive warhead mass, but it burst under low pressure
由設計方案a研製的發動機殼體稱為a殼體。為滿足彈頭質量增加的需要,在設計方案a的基礎上研製了b殼體,但b殼體在試驗中發生了低壓爆破。The following conclusions are gained : ( 1 ) the located shear band prongs the ligament near the top crack tip and the structure may occur shear - mode fracture at the angle of 155 ? to crack when load is 87. 92mpa ; the mode of fracture of the flange joint structure is not possible to be void - mode ; ( 2 ) it is proved that loading and then unloading repeatedly can not increase the possibility of invalidation of the structure when the times of loading and unloading are not too more when load is operating pressure ; the structure is safe when the vessel is operating ; ( 3 ) in the fe model of the thesis, not considering the influence of water pressure test which is in the process of fabrication of vessel in fe results in larger deviation in analysi
得出了以下結論:在8792mpa的載荷下筒體一封頭連接結構處的集中剪切帶貫穿韌帶,可能發生沿與原裂紋線成155 「角方向剪切型斷裂;筒體一封頭連接結構不可能發生韌窩型斷裂; ( 2 )在工作壓力下進行次數不多的反復加、卸載,結構不會破壞,也不會喪失安定性:結構在工作狀態下是安全的; m在本文的彈塑性有限元模擬計算中,對于裂紋尖端進行力學分析時,不考慮壓力容器製造過程中水壓試驗的影響,將導致計算結果出現較大的偏差; ( 4 )筒體完全屈服時的載荷為92石3mpa ,封頭完全屈服時載荷為86Plastics piping systems - elastomeric - sealing - ring - type socket joints for use with unplasticized poly vinyl chloride pipes - test method for leaktightness under internal pressure and with angular deflection
塑料管道系統.與未增塑聚氯乙烯管一起使用的彈性密封環式套筒接頭.內壓下角度偏轉密封試驗Plastics piping systems. elastomeric sealing ring type joints and mechanical joints for thermoplastics pressure piping. test method for leaktightness under external hydrostatic pressure
塑料管道系統.熱塑塑料壓力管道用的彈性密封環型接頭和機械接頭.外部液壓條件下防漏密封試驗方法Plastics piping systems - elastomeric sealing ring type joints and mechanical joints for thermoplastics pressure piping - test method for leaktightness under external hydrostatic pressure
塑料管道系統.熱塑塑料壓力管道用的彈性密封環型接頭和機械接頭.外部流體靜壓條件下防漏密封試驗方法Plastics piping systems. glass - reinforced thermosetting plastics components. test methods to prove the design of rigid locked socket - and - spigot joints with elastomeric seals
塑料管道系統.玻璃纖維增強式熱固性塑料元件.檢驗帶有彈性密封件的剛性鎖定管座套筒接頭設計的試驗方法Technological innovation is the development of enterprises in the last word, i have always maintained the secretary rise in special wallssevered the forefront of the core system, in 2000, the high - intensity of my invention cesium potassium glass chip. test success has been on the market seven years, 2007 to special ( fire ) glass wallsindoor fire glass partition, fire glass window design, construction and 10 years of deep - processing glass curtain wall designconstruction and constantly sum up experience and experiment, glass walls severed system to fire. high temperature must be within the framework of anti - bomb material support fixed glass in the event of fire. at the time of the explosion have enough time to ensure the integrity of the entire system. bullet - proof glass or glass does not fire in a short period of time due to damage fixed framework, a glass panel fell off, lost the fire or bomb - functional
企業不斷的技術創新是我們發展的硬道理,也是我司一直保持林立於特種幕墻、隔斷系統前沿的核心, 2000年,我司發明的高強度單片銫鉀防火玻璃,經試驗檢測成功推向市場以來已有7個年頭,七年來特種(防火)玻璃幕墻、室內防火玻璃隔斷、防火玻璃門窗的設計、施工及十多年來的玻璃深加工,幕墻設計、施工及不斷的經驗總結和試驗,玻璃幕墻、隔斷系統要防火、防炸彈沖擊波必須要有耐高溫高強度的框架材料固定支撐玻璃,在一旦發生火災、爆炸的時候要有足夠的時間保證整個系統的完整性,不至於防火玻璃或防炸彈玻璃在短時間內由於固定框架破壞,而玻璃脫落,失去了防火或防炸彈的功能。Firstly, this paper summarizes modern weaponry stealth technology at home and abroad, and lays special emphasis on analyzing stealth problem of cruise missile ’ s guidance head cover, aerocraft radar canopy and other privileged sites. secondly it makes a research on related theories of transparent metallic mesh that applied to missile ’ s guidance head cover and aerocraft radar canopy, and deduces relational expression between transparent metallic mesh structural parameters and radar wave - shielding efficiency, infrared transmitting. we use laser direct writing technique to fabricate a metallic mesh ( dimension : 70mm 70mm ; line width : 5 m ; period : 350 m ) on glass surface, then do experiment to test radar wave - shielding of metallic mesh via radar transmitting and receiving device
本文首先綜述了國內外現代武器系統隱身技術方法;重點對巡航導彈導引頭罩和飛機雷達艙罩等特殊部位的隱身問題進行了研究,研究了金屬網柵用於導彈頭罩和飛機雷達艙罩隱身的相關理論,推導了金屬網柵結構參數對雷達波屏蔽效率和透紅外關系式;用激光直寫工藝,在玻璃表面上製作了一塊面積為70mm 70mm ,線寬為5 m ,線周期為350 m的金屬網柵;在實驗室里用雷達發射和接收裝置測試了網柵對雷達波的屏蔽實驗;認為利用金屬網柵技術對雷達波具有一定的屏蔽作用,而且不影響精確制導的紅外線高效透過。Technology of non - damage test for concrete intensity is extensively applied in project testing, as a precise and direct approach. accordingly, the test in this essay makes use of average concrete samples made up of commo - n raw material in boutou, and adopt comprehensive method of ultrasonic elasticity to test the concrete used within one year in boutou. through the regression analysis, we get the regression equation of anti - intensity of these two materials under the given conditions. according to the result, we establish the accurate curve line for comprehensive method of ultrasonic elasticity and provide practiced and non - damage testing approach and calculating method for concrete intensity test and reference for testing staff concerned
混凝土強度無損檢測技術作為一種簡便快捷準確的測強技術在工程檢測中得到了廣泛的應用,鑒於此,本次試驗通過採用包頭地區常見原材料製成的一定批量常見齡期的不同種類(指混凝土試塊中的粗骨料、混凝土強度等級不同)普通混凝土標準試塊,採用回彈?超聲綜合法對包頭地區齡期不超過一年的現場混凝土進行了大量的試驗,並利用回歸分析,給出兩種骨料混凝土在相應測強條件下的立方體抗壓強度回歸方程,根據實驗結果建立包頭地區精度較高的混凝土回彈?超聲綜合法基準測強曲線,為實際工程的混凝土現有強度評定提供簡單易行的無損測試方法和計算方法,供有關檢測人員參考使用。Targets made of ship - building steel, which is concerned, were penetrated by conical and flat - ended projectiles. the damage and failure behaviors of targets have been studied systematically by micro - hardness, metallography and scanning electron micrography. the results show that the ductile hole failures and back - surface petal failures are achieved when targets penetrated by the conical projectiles
本文以某船用鋼為研究對象,運用彈板侵徹試驗及顯微硬度、金相顯微鏡和sem等分析測試手段,研究了靶材在侵徹過程的物理變化和損傷規律,從而對尖頭彈和鈍頭彈侵徹船體鋼的物理過程有了較全面的了解。Plastics piping systems. injection - moulded thermoplastics fittings for elastic sealing ring type joints for pressure piping. test method for resistance to a short - term internal pressure without end thrust
塑料管道系統.壓力管道用彈性密封圈型接頭的注模熱塑配件.耐無端推力短暫內壓力性能的試驗方法To prove the applicability of respective regression equation, the essay adopt regression analysis to test the accordance of samples and find the testing report accords with the predicating one. to test the applicability and practical usage of the intensity curved line in boutou, we test the concrete items on site, and compare it with standard curved line in my country, and the consequence shows that : the intensity curved line of the comprehensive method of ultrasonic elasticity has high applicability and accuracy
為了更好的檢驗回歸所得到的超聲回彈綜合法測強曲線方程在包頭地區的適用性和實用性,我們特地進行了工程現場混凝土構件強度的檢測試驗,並且和全國的基準曲線方程相比較,得到的數據顯示:我們由試驗得到的超聲回彈綜合法測強曲線方程在包頭地區有很好的實用性和適用性,精度相對較高。With testing not needed for the warheads you have or plan to update, why not ratify the ctbt
既然有了不需要試驗的核彈頭,或者沒有也打算更新,那麼為什麼還不批準ctbt ?Connectors with resilient pin for testing purposes on terminal blocks ; main dimensions for plug and socket
接線板上試驗用帶彈性銷的連接器.插頭和插座的主要尺Plastics piping systems - elastomeric - sealing - ring - type socket joints of unplasticized poly vinyl chloride for use with pvc - u pipes - test method for leaktightness under negative pressure
塑料管道系統.與未增塑聚氯乙烯管一起使用的未增塑聚氯乙烯彈性密封環式套筒接頭.負壓下的密封性試驗方法分享友人