針形頭部 的英文怎麼說
中文拼音 [zhēnxíngtóubù]
針形頭部
英文
needle nose-
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。Geng ventebra is the supply of human body brain department blood biggest hub, pawn geng ventebra appearance patient, scondition can anise headache, migraine, heart disease, hypertension and siabetes adopt vanious famous and precious ptant through professional skill, alleviate to aim at gebg vertebra strain stick out, shoylder jia scorching etc, case
頸椎是人體供應腦部血液最大軀紐，當頸椎出現病況會出現頭痛，篇頭通，心臟病，高血壓，糖尿病，採用多種名貴的精油配方，強力滲透進人體細胞，通過專業手法，緩解針對頸椎勞損突出，肩胛炎等情形。The research, development and applications of the deformable models are reviewed. the algorithm is realized to extract brain contour from mri head images. some improvement on deformable models is presented
本文對可變形模型的基本概念和研究進展進行了介紹，給出了其應用於頭部磁共振圖像提取腦區域的演算法實現，並針對我們在實際研究工作中遇到的問題，進行了相應的改進，取得了良好的效果。In this paper, in order to solve the difficulties in the rain pipe construction in jianyu road of yulin city, the pipe - pushing technique for the hand - type tool pipe in the sand soil layer has been researched by experiments in which many practice problems were considered such as the movement and deformation of sand soil, the difficulties for the pipe to enter the scheduled work soil, the collapse of excavation surface, the departure of pipe center and the difficulties to correct this departure. by both the calculations for the stabilities of back - supporting soil body and excavation surface and the theoretical analysis on the reasons for the departure ' s producing, some construction techniques were introduced and adopted in this paper which include not only the change and reinforcement to both the back - supporting soil body and the scheduled work soil body but also the settings of pipe cap, lattice and correcting system on the head of the tool pipe
本文針對榆林市建榆路雨水管道中遇到的技術難題，進行手掘式工具管砂土層頂管法施工技術試驗研究，在研究中考慮砂土層存在的后靠土體移位、變形，工具管難以進入出洞土體，挖掘面易坍塌、管道中心易偏差及難糾偏等問題，通過對后靠土體和挖掘面的穩定計算及偏差產生原因的理論分析，提出並採用后靠土體換填加固，出洞土體換填加固，以及在工具管頭部設置管帽、格柵、糾偏系統等技術措施Abstract : based onmethods of foreign countries of using wi nd tunnel test and numerical flow simulation, optimum nose a nd tail shapes ofhigh - speed trains are studied to achieve optimum aerodynamic performance so as to efficiently reduce the influence of theaerodynamic phenome na on the train operation and the environment. research results of foreign countr ies are introduced
文摘:針對國外利用以風洞模型模擬試驗和以流場數值模擬計算為主的方法來尋求高速列車最佳的頭尾部形狀，使列車的綜合氣動性能最佳，從而有效地降低空氣動力學現象對列車運行和周圍環境的影響進行了探討，介紹了國外在此方面取得的主要成果。Extension of improved variety in tianjin has made a great progress since the start - up of the 9th " five seed project, but there are still many problems exist. including : 1. disconnection among seed cultivation, seed reproduction and seed extension, short of sustainable scientific research of seed cultivation, lack of effective variety protection and competitive varieties
品種質量是種業發展的關鍵環節，本文針對天津市種業的現狀指出當前存在的主要問題在於：一是育、繁、推脫節，科研育種力量后勁不足，品種保護跟不上，沒有拳頭品種；二是良種推廣部門多是貿易公司形不成產業；三是產后加工跟不上，阻礙了良種產業化的形成。In qingdao, john chapple, visited the vegetable production and wholesale markets and processing enterprises in pengzhou on january 18th - 19th, 2005 and exchanged ideas with local leading enterprises, vegetable sellers and relevant staff of the vegetable office of the agriculture and animal husbandry bureau of pengzhou and various vegetable stations about the strengths and weaknesses of the development of the vegetable industry in pengzhou and the eastern coast areas and how to control the quality and safety of vegetables. the development of the vegetable industry in pengzhou was identified by john as feasible for the domestic market. but at the same time, he thinks that although the orientation responds to the domestic market, the increasing awareness of the quality and safety of agricultural products of the consumers also poses a great challenge to the vegetable producers of pengzhou
的john chapple總經理於2005年1月18 - 19日考察了彭州的蔬菜生產批發市場，加工企業，並於當地的頭企業蔬菜營銷戶彭州市農牧局蔬菜辦各業務科站的相關人員對彭州蔬菜與東部沿海地帶的蔬菜各自存在的優劣勢，發展方向，如何控制蔬菜的質量安全等方面進行了交流， john對彭州蔬菜發展定位在國內市場是認同的，同時認為盡管是針對國內市場，隨著消費者對農產品質量安全意識的提高，對彭州的蔬菜生產者也形成了一個很大的挑戰，一些發達國家有關市場蔬菜產后儲藏的經驗可以借鑒，避免自己花很多時間來摸索。First, it points out that it is necessary to shift the cognitive concepts and foster the awareness of green. secondly, it indicates that the macro approach for government is to develop the ecological agriculture, promoting the establishment of national security authentication system for agricultural products. it also says that the micro approaches are to actively implement the international green marketing strategy and strengthen the intensity of industry organizations
第三部分針對如何順應綠色壁壘、擴大我國農產品出口的對策選擇進行了研究，首先要轉變認知觀念，樹立綠色意識;其次提出了政府的宏觀對策是發展生態農業，建設國家農產品質量安全認證體系，建立綠色貿易壁壘預警機制;企業的微觀對策是積極實施綠色營銷戰略;形成以龍頭企業為重點的市場競爭主體;加強行業組織力度;發展農產品精深加工業。In the light of the characteristics that the joint parts between the concrete rigid - frame structure and steel box arch ring of caiyuanba changjiang river bridge in chongqing mainly work as the compressive elements, the design of the parts is carried out by means of improving the steel plates, and the design methods and local details design of prestressing steels are put forward in order to ensure the safety of the bridge structure
摘要針對重慶菜園壩長江大橋混凝土剛構與鋼箱拱接頭主要為受壓構件的特點，採用改進鋼板形式進行設計，提出預應力鋼筋的設計方法及局部細節設計，確保結構安全可行。Abstract : the present paper analyzes the axial pressure of the coil, the working principle of the coil drum and causes of slide scar on the strip head and advances the new method for the taper control of the coiling tension
文摘:針對單機架平整機的帶鋼頭部滑傷問題，分析了鋼卷徑向壓力、捲筒的工作原理，及帶鋼頭部滑傷形成原因，提出了卷取張力採用錐形控制的新方法。分享友人