立體位阻 的英文怎麼說
中文拼音 [lìtǐwèizǔ]
立體位阻
英文
steric hindrance-
Establishing an human spine dynamic model is an significan event to study spine injured biomechanics of pilot " s ejective injury, parachute opening, landing and study the endurance to impact loading on human spine. in this paper, the huston " s method of kane " s equations is developed so that it can be applied to the multibodysystem including translation between the bodyies. the dynamic model of human spine is provided basing on these theories, while the big movement of spine is considered. the deformation of vetebra is far smaller comparing with the intervetebra disc, so the spine is considered into multibodysystem including rigid bodies ( vetebra ) and the flexible bodies ( intervetebra disc ). the computer solution correspond with the results of the large scale human impact test. the rigid coefficient factors and the damping factor of intervetebra joints are obtained
人體脊柱動力學模型的建立對研究飛行員彈射救生、傘兵跳傘開傘、著陸等脊柱損傷的生物力學以及研究人體脊柱耐受沖擊載荷的極限問題都具有重要意義.首先發展了凱恩方程的休斯頓方法，使其可應用於變形體連接的多體系統，並以此理論為依據建立人體整椎脊柱沖擊動力學模型，此時考慮脊柱的大位移運動，每個椎骨的變形相對椎間盤的變形小得多，把脊柱看成由剛體（椎骨）和變形體（椎間盤）組成的多體系統.並以大型真人坐姿沖擊實驗結果進行了擬合，最後得到腰椎間關節剛度系數因子和阻尼系數因子Macromolecules cannot approach the ligand owing to steric hindrance of the matrix.
由於載體的立體位阻的關系，大分子化合物不能接觸到配基。Strategic alliances can be divided into functional agreed strategic alliances and share participial strategic alliances according to its degree and extent. functional agreed strategic alliances is cooperation with the means of agreement in one or more fields, in which the participants keep their own legal and organization
對于l 』淺略聯盟的形式，以聯盟程度與范圍為標準戰略聯盟可劃分為功能協議式戰略聯阻和股權參與式戰略聯盟，前者主要是在一個或幾個具體領域里以協議方式進行合作，參與聯盟各方保持各自的法人地位和獨立的組織機構。Syntheses of ? ? diimine and 2 - aminopyridine transiting metal complexes bearing 2, 6 - unsym - substituents on the aryl, and investigation on the steric and electronic effects of the unsym - subatituents on the catalytic property
以2 ， 6位不同基團取代的苯胺與相應的二酮反應合成系列的? ?二亞胺和吡啶胺基過渡金屬配合物。主要考察芳環2 ， 6位基團立體位阻對催化性能的影響，同時也考慮基團的推拉電子效應。It creates the model of layer soil by using the cdegs software, analyses the resistance error which is measured by traditional three - poles way, measures the grounding grids resistance and soil resistance rate of hejin power plant, creates the electromagnetic model of layer soil and grounding grids model of hejin power plant, calculates the step voltage > touch voltage n voltage distribution of earth surface in fault of hejin power plant. in the end, it compares the measuring value and calculating value of grounding grids resistance in hejin power plant
本文利用cdegs軟體建立分層土壤接地模型，對傳統三極法測量接地電阻誤差進行分析；對河津電廠接地網接地電阻和土壤電阻率進行測量；建立河津電廠分層土壤電磁模型和接地網模型；計算河津電廠接地網電阻和事故狀態下跨步電壓、接觸電壓和地表電位分佈；最後對河津電廠接地網電阻實測值與計算值進行比較分析。Mass spectrometry of synthetic hw - ma and rgd - hw are in full agreement with those speculated theoretically, which proves the success of peptide synthesis and refold. on isolated mouse phrenic nerve - diaphragm preparations, hw - ma can block the neuromuscular transmission in 35 minutes or so ( l 10 - 5 g / ml ), its biological activity shows 73 % decrease comparing with biological activity of native hwtx - i. it proves t hat the protein engineering of synthetic chimera hwtx - i has gained success to some extent, although it did not achieve our expectations. thus it proved that hwtx - i can be using as natural scaffold for protein engineering. and also emphasized the importance of " local stereo circumstances " of activity site when the foreign activity site was transferred into a natural scaffold
濃度為1 / 1059 / ml的hw一ma突變體能可逆阻斷小白鼠隔神經書高肌的接頭傳遞，阻斷時一間為35min左右，與天然hwtx一i比較，生物學活性下降3一4倍，說明合成的突變體改造獲得了一定的成功，盡管與我們預期的目標有一定的差距，從而證明hwtx一i可以作為蛋白質工程研究的天然分子骨架，同時也強調了往天然分子骨架中轉移外源活性位點時維持活性位點「局部立體環境」的重要性。Then a simplified computational modal of damping isolation systems is established for a platform structure, and the relationships between the parameters of isolation layer and structural damping ratio, including their vibration - suppressed effect on the whole structure and the relative displacement of isolation layer are studied, and the simulation analysis under several representative load case of random wave force and earthquake affairs is performed. under random wave force, using complex mode theories, non - classically damp problems considering the interaction between the structure and wave, lying in deepwater, are studied. and the resolution solution of structural response are achieved. the results of calculating and analysing show that adding damping isolation to a jacket is an effective way to reduce vibration for offshore platforms
針對某一典型平臺結構，建立了海洋平臺結構阻尼隔振體系簡化計算模型，進行了波浪荷載工況和地震工況的數值模擬，研究了隔振參數與結構阻尼比的關系以及它們對結構整體和隔振層層間相對位移的控制效果，運用復模態理論研究了位於較深水位的固定式導管架海洋平臺在隨機波浪力作用下考慮結構與波浪相互作用時運動方程中非經典阻尼的解耦問題，獲得了結構響應的解析解。Xu zhiyong, a law lecturer who won a seat in 2003, says he advised fellow independents to avoid the media for fear of provoking party conservatives into blocking their election bids
，在2003年贏得一個席位的法學講師，建議其他獨立候選人避開媒體，因為擔心激怒政黨里的保守派去阻礙他們當選。In the thesis the low drag - low noise optimization of the vehicle main form design is realized, main accomplishments are as follows. researched the knowledge of drag and flow noise, the parameters of the boundary layer are calculated by the hess - smith method and boundary layer momentum integral method. the calculation of the length of transition zone and change in boundary layer displacement thickness between laminar and turbulent states in the transition is improved, then the drag coefficient and self - noise from the transition zone are calculated as the objective functions of the optimization
主要研究內容和成果如下：對航行器繞流流場進行分析，深入研究了阻力和流噪聲產生機理，建立了阻力系數和自噪聲的評估數值計算模型；採用物面分佈源匯法和邊界層動量積分法對繞流流場的流體動力參數進行計算，改進了轉捩區長度和邊界層位移厚度的計算，應用於航行器頭部駐點自噪聲的計算；最後設計了阻力系數和自噪聲數值計算程序模塊。Design procedure of u - shaped anti - rolling tank system is established, and program of scale design for tank is summarized, and an innovation selecting the natural frequency of controlled passive anti - rolling tank is put forward according to variation range of wave frequency, the natural frequency of rolling of a ship and other influencing factors, and causes of formation of tank damping and motion state of water in tank are studied, calculation formula of the u - tube tank damping and design method of tank damping configuration are given, and the influence of tank vertical location within the ship on ship parameters, stabilization performance of tank and water motion in tank is studied
建立了完整的u型減搖水艙系統設計程序；總結了u型減搖水艙尺度設計；提出了根據波浪頻率變化范圍、船舶固有頻率變化范圍和其它影響因素，選取可控被動式減搖水艙固有頻率的新方法；分析了u型減搖水艙阻尼的形成原因，給出了估算水艙阻尼和設計水艙阻尼結構的方法；研究了減搖水艙在船舶中的垂直位置布置對船舶參數、水艙減搖性能和艙內流體運動性能的影響。In order to set up the dynamic model of swimming micro robot, this dissertation builds up the statics model and analyses the micro motion amplifying performance of micro robot mechanism, builds up the vibration model of micro robot and analyses the vibrating performance without and with damp, researches the propelling force of driven wing and the resistance of micro robot in liquid based on the theory of flat board resisting stream, builds up the dynamic model of swimming micro robot for the first time in nation and analyses its swimming performance which is influenced by driving signal frequency, amplifying performance of main machanism, area of driven wing, character of fluid and so on. this dissertation manufactures the micro robot and sets up the experimental environment and tests the amplifying effect and the vibrating performance
本文建立了主體機構靜力學模型，研究了主體機構的結構參數對微位移放大性能的影響；建立了主體機構振動模型，研究了主體機構在無液體阻尼和有液體阻尼情況下的振動特性；根據流體力學平板繞流理論，研究了驅動翼產生的推進力和微機器人在流體中受到的阻力；在此基礎上國內首次建立了泳動微機器人的動力學模型，並對模型進行了深入的研究，詳細闡明了驅動信號頻率、主體機構放大性能、主體機構振動特性、驅動翼面積、液體性質等因素對微機器人泳動特性的影響。By adopting a cash - in and cash - out fun - raising method, which pays for the various social security items of the current year through that year ' s fiscal revenue and through a part of the earnings from the enterprises, the coverage of our country ' s traditional social security system is limited to workers of state enterprises and to workers of some collectively owned enterprises. this method, owing to its lack of accumulated funds and of figuring out estimates for its due payable responsibility, cannot possess long - term positive financial potentials. instead, it hinders us from establishing our modern enterprise system and prevents us from reforming our mechanism of using and financing the work force
我國傳統的社會保障系統，保障和覆蓋對象狹窄，基本上僅對國營單位職工和部分集體單位的職工提供保障，採取現收現付的籌資模式，根據需要和可能，用當年財政收入和企業收入中的一部分直接支付當年的社會保障各項待遇，沒有基金積累也沒有對制度未來償付責任的估計，這樣的制度不可能具有長期財務能力，也阻礙了勞動制度的改革和現代企業制度的建立。Article 20 when highway transportation is blocked because of serious natural disasters, local governments at and above the county level should immediately mobilise and organize nearby army units, government organs, organisations, schools and enterprises and establishments as well as urban and rural residents to assist the highway department in restoring highway transport within a set time limit
第二十條公路交通遇嚴重災害受阻時，當地縣級以上人民政府應當立即動員和組織附近駐軍、機關、團體、學校、企業事業單位、城鄉居民協肋公路主管部門限期修復。This paper analysis and criticizes the functions and system design of china ' s judicial fee after evaluating china ' s judicial fee system and its operation. it points out that because the function of gaining resource is outstanding, while the function of adjusting the public policy is not enough, the system design hindered civilian ' s rights of litigation, impeded realization of judicial independence and judicial fairness
本文運用相關理論，在對我國裁判費用制度規范及其運作進行考察的基礎上，對我國裁判費用制度的功能定位和制度設計作出了分析、評價，指出我國裁判費用制度獲取資源的功能取向過于強烈，而實現公共政策調整的功能體現則明顯不足，以至於制度設計產生了妨害公民行使訴訟權、阻礙司法獨立與公正實現的不良後果。分享友人