彈針 的英文怎麼說
中文拼音 [dànzhēn]
彈針
英文
vibrate the needle-
The government blamed a bomb attack on an army bus in colombo on the tigers, and said it would abrogate the truce, which had “ ceased to have any meaning ”
當天在科倫坡發生了一起針對一輛運兵大巴的炸彈襲擊,政府指責猛虎組織應對此次事件負責,並且聲稱將廢除休戰協議,因為「它已經沒有任何意義了」 。The government said the attack, the first such aerial bombing by the tigers - - who claim to have built up an air force - - was aimed at the military base and did not cause any damage to the adjacent civilian airport
政府說這次襲擊,這是第一次發起的空中投彈襲擊- - -猛虎組織已經承認是針對軍事基地而發起的襲擊,並且沒有對周邊平民機場造成損害Abstract : the paper emphasizes on exoatmospheric antimissile missile rapid reaiming problem, and according to pontryagin ' s maximum principle the optimal control law in the conditions of long miss distance and long elimination time is presented
文摘:針對大氣層外反導導彈快速重新瞄準問題,在脫靶量和消除它的時間都比較大的情況下,用龐特里亞金極大值原理求出了最優控制規律。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。Because of its extensive application and underdeveloped research level in our country, this paper establish the numerical model of blank cartridge ejecting device, the whole process from blank cartridge burning to eject missile is analyzed by classic interior ballistic theory and gas dynamics. several simulation examples are given, and the effect of different parameter structure on ejecting device is discussed
鑒于這類系統在我國的廣泛應用與相對滯后的研究水平,本文針對三種類型五種型號的掛彈鉤建立了拋放彈彈射機構的數學物理計算模型,用經典內彈道和氣體動力學理論分析了火藥彈燃燒到彈射活塞完全推離懸掛物的整個過程。The main contents are as follows. ( 1 ) filter cloth and the surrounding soil mass are taken as an approximate isotropy in horizontal section, the relationship of stress and strain is studied, the anisotropy is fully considered, the constitutive model of filter cloth reinforcement fly - ash compound is obtained, it is tested with numerous indoor experiments. ( 2 ) the permeable coefficient is introduced into the constitutive relationship of soil mass with relevant seepage theory ( kozeny - carman experience formula ). the test of filter cloth depositing hi the condition of long term seepage flow is done hi the dissertation, the varying regular of permeable coefficient without pressure is presented
本文首先對國內外的研究現狀作了回顧和總結,然後主要針對土工織物加筋粉煤灰復合體的本構關系和計算理論進行研究,主要內容有: ( 1 )將土工織物和周圍土體視為一種近似的彈性非線性橫觀各向同性體,研究它的應力應變關系,充分考慮它的各向異性,得到土工織物加筋粉煤灰復合體的本構模型,然後通過大量室內試驗進行分析驗證; ( 2 )引入有關滲流理論,即柯茲尼-卡爾曼( kozeny - carman )經驗公式,將滲透系數引進到土體本構關系中。The instrument includes a weight suspended in a spring connected to a registering needle which notes the vibration on a strip of celluloid.
這種儀器有一個重錘懸在與記錄針聯接的彈簧下面。記錄針在一條電影膠片上記錄振動。Made with different columniform axeses for more silence and safe when turn the door can be used with other floor spring such as " crown " " new stars " " domar " " garzi " excluding its own brand
配備多種圓柱形滾針軸承座,使門扇轉動更寧靜,更安全,除與自身品牌的精密配合外,還可與皇冠、新星、多瑪、蓋澤等地彈簧配合使用。After canvassing the basic theories and methods of reliability and optimization design of the transmission system, analyze the designs of the v - belt transmission, arc cone gear and disk spring separately. it is propitious to raise efficiency, improve capability, increase reliability, and decrease cost and so on
在研究了機械可靠性優化設計基本理論和方法之後,分別分析了v型帶傳動、圓弧錐齒輪、液壓卡盤碟型彈簧的可靠性優化設計,對其進行針對性的研究,並通過試驗對設計結果進行檢驗。In addition, correctly specified spring contacts also offer a stable, highly consistent interface, even under the harshest conditions
此外,正確指定的彈針即使在最苛刻的條件下也能提供穩定、高度一致的介面。Differentiating what appears to be a simple electromechanical component is critical in understanding how to select the correct contact for a given application
辨別什麼是一個簡單的機電組件對了解如何為指定應用選擇正確彈針至關重要。A new, flexible goose - neck probe simplifies the search for leaks at e. g. flanges, shut - off devices and valves
一個新的,靈活的頸彈針簡化了對查尋凸緣,開關設備和閥門的泄漏。These systems reliably hold the plunger in contact against the internal barrel wall, providing a constant, sliding, low - resistance connection
這些系統可靠地將觸彈針內的頂針固定到殼體內壁,提供恆定、滑動、低電阻的連接。Biased battery contacts offer exceptional stability during the most severe of shock conditions
偏置電池彈針在最惡劣的的沖擊條件下也能提供異常優秀的穩定性。Figure 2. these reliable connector systems all use spring contacts
圖2 .這些可靠的連接器系統全部使用彈針。It is useful to understand how the internal design of these contacts aids their overall performance and durability
了解這些彈針的內部設計如何幫助它們的整體性能和耐用性是很有用的。With this system, contact lifetime is approximately 50, 000 cycles, after which internal wear creates a less - stable connection
通過這個系統,彈針的使用壽命約為50 , 000次,之後內部磨損將降低連接的穩定性。In addition to bias, the manufacturing technique and plating of the barrel itself influences r2 over the lifetime of the contact
除了偏置以外,殼體本身的製造技術和鍍層也會在彈針的整個使用壽命期限內影響r2 。Figure 4. this cross - section of a typical spring contact shows its basic elements, all of which have an effect on the contact ' s performance
圖4 .典型彈針的剖面圖顯示了其基本元件,所有元件都會影響觸點的性能。These characteristics are why many top defense and medical technology companies choose spring contacts and connectors for interconnections
這些特性是很多一流國防和醫療技術公司為其連接選擇彈針和連接器的原因所在。分享友人