material limit 中文意思是什麼
material limit
解釋
材料使用極限-
On the basis of investigations into the progressive yield process and the possible failure modes of rcc gravity dams, the quasi - elasticity design limit state of the ctrtical stability criterion is proposed and the real working state of the dams designed according to the ctriterion is discussed. a check formula using the material strength reducing factor as the safety index and a simplified formula similar to against sliding stability fromula are derived. finally, the corresponding design safety factors are given by using fem calculations with various influence parameters to be taken into account
本文在研究碾壓混凝土重力壩漸進破壞過程和可能失穩方式的基礎上，提出了以準彈性臨界作為穩定臨界準則的設計極限狀態，分析了按該準則設計的大壩的實際工作狀態，導出了以準彈性強度儲備系數為設計安全指標的審查公式以及形式與抗剪斷公式相同的簡化公式，探討了定量計算考慮各種因素影響的相應設計安全系數的合理取值，並與現行規范方法進行了比較 -
When the width of reticle is less than 30nm, the semiconductor material achieves its physical limit, and it would be happen that quantum effect
刻線寬度小於30nm時，半導體材料達到它的物理極限，就會發生量子效應。 -
The thickness varies according to the half - apex angle, and the forming limit half - apex angle is the key which nc incremental sheet metal parts forming process succeeds, it relates to the material and thickness of the sheet metal
變形區厚度的變化與成形半頂角有關，其中，成形極限半頂角是數控漸進成形能否成功的關鍵，它不僅與材料有關，而且與板料厚度有關。 -
The antibacterial performance is permanent, can ’ t loses because many times wash 。 therefore the bamboo fiber is favor, has the very various reason : first is the raw material for supply is insufficient, the petroleum source gradually dried up, causes dependence petroleum as the raw material of fabric to be a question ; the cotton and kapok short, because the cotton planter surface not to be able to increase causes the quantity to limit ; the lumber because the quantity is also limited, adds the afforestation policy which the upper limit chops limits cuts down to carry out but does not result in deed. but china is the big country of bamboo source, the bamboo grove surface occupies the world bamboo source 1 / 3, the bamboo lives the cycle short, the quantity big, the management uses to be low, the research and development of the bamboo fiber product has obtained very big progress and enhancement
本文首先從項目提出的背景、研究的依據和范圍、主要經濟指標、存在的問題和建議等方面對安徽金鹿集團竹纖維產品開發項目的可行性研究進行總體概論，本可行性研究為備選方案。然後通過從消費者消費傾向、紡織原料供需矛盾、當地竹資源的優勢、國內竹漿粕及竹纖維技術成熟性及國內大部分成套設備先進性的優勢等方面對項目提出的背景進行了分析，闡述了項目建設的必要性的有利性。論文通過分析世界漿粕、再生纖維素纖維市場以及國內漿粕、再生纖維素纖維市場的供需，分析未來國際和國內市場對竹纖維和竹漿粕的市場需求。 -
Nothing contained in this section shall limit the authority of the assistant attorney general or the federal trade commission to secure at any time from any person documentary material, oral testimony, or other information under the antitrust civil process act [ 15 u. s. c. a. 1311 et seq. ], the federal trade commission act [ 15 u. s. c. a. 41 et seq. ], or any other provision of law
本節規定不限制聯邦貿易委員會，司法部長助理隨時依據《反托拉斯民事訴訟法》 ， 《聯邦貿易委員會法》或其它法律規定，向任何人隨時獲取文件性材料、口頭證據或其它信息。 -
The products of follicle stimulating hormone ( fsh ) used in animal husbandry are all extracted from the pituharies of bovine, goat, pig and some other animals. the lack of material and low purity of this kind of fsh limit its extensive application
當前畜牧業生產中所使用的卵泡刺激素（ fsh ）產品都是從牛、羊、豬等家畜的腦垂體中直接提取的，由於材料來源有限、純度差且常有其它激素的污染，影響了fsh的廣泛應用。 -
Following this principle, dpc adopted the method of " goal management ", i. e. disintegrating the three goals of investment, schedule and quality to different levels in accordance with different administrative levels to keep their consistency generally. moreover, dpc tried some effective new pattern such as in - phase management, strategic pass management and block management to shorten the time limit on the premise of ensuring the project quality. using some effective science way and modern management technology such as key line method to realize the reasonable resources allocation, including human resource, material resource and financial resource
在這一理念的指導下，大連石化分公司運用了目標管理，將投資、進度、質量三大目標層層分解，並保證目標點的設置和時間段的劃分切實可行，方便合理；目標分解結構在較粗的層次上與組織分解結構一致，實現了組織結構設計與目標分解設計的配套；努力提高作為建設單位為各參建方的服務意識，注重與參建各方的有效溝通和相關單位的全方位協調；採用同步管理、關口管理和分塊管理等多種有效的新模式，在保證工程質量的前提下，趕工期，搶進度；用關鍵線路法、凈值法等有效的科學手段和現代管理技術來實現建設工程中資源的合理配置。 -
With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3
首先，分析了纖維類正交鋪層復合靶板在沖擊載荷作用下的損傷破壞機理，結合包含損傷和應變率效應的材料動態本構方程，建立了纖維復合材料板彈道極限速度的預測公式；其次，根據陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特點，建立了陶瓷/復合材料靶板抗彈性能分析模型，給出了彈道極限速度預測公式；最後，利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題，對雙層陶瓷復合靶板的優化設計進行了分析，給出了在一定面密度下的最佳優化系數，討論了一定彈道極限速度下的面密度和厚度隨優化系數的變化關系。 -
From experimental result, i preliminarily know that eps is good thermal insulation material because the absorption of water is low and heat insulation is good, it is practicable at preserving temperature field of frozen earth roadbed and bringing frozen disaster under control ; second, according to the analysis of the eps that is applied into practical project, i have studied the practical effect which eps preserve roadbed temperature field, and the influence that was made after building field. i have get that eps can influence moisture content and frozen upper limit, through practical measuring data, i have studied freezing and expanding quantity and melting and submerging quantity during a complete frozen and melting cycle as well as have expanded and proved the practical application effect of eps with some reference significance to deep research of some connected problems. finally, through computer data analysis, setting up the analytical model of finite unit, i have simulated the temperature field of roadbed heat preservation, then expounded and proved that the height of embankment influenced the effect of thermal insulation material
其一是對聚苯乙烯泡沫塑料（ eps ）保溫板以及天然路基土層、路堤填料進行了室內試驗分析，結合國內外現在的有關科研成果，綜合確定其各項特徵參數；從試驗結果初步認識到聚苯乙烯泡沫塑料是一種吸水率低，隔熱性好的保溫材料，在凍土路基溫度場的保護和凍害治理方面是可行的；其二通過eps保溫板在現場工程實踐中的應用分析，研究了保溫板在保護路基土層溫度場的實際效果以及修築路堤后造成的影響，保溫板對土體含水量、凍結上限的影響，通過實測資料，研究了在一個完整的凍融周期內整個路基的凍脹量和融沉變形量，論證了保溫板的實際應用效果，對有關問題的進一步研究和相關工程設計具有參考意義；其三，通過計算機數值分析，建立有限元分析模型，對保溫路基的溫度場進行了模擬計算，論證了路堤高度對保溫材料效果的影響。 -
Sige simox : oxygen ions with high dose were implanted into sige grown directly on silicon substrate for the first time, and sige - oi novel structure was formed successfully with additional high temperature annealing ; it has been confirmed that oxygen implantation with 45kev, 3 1017cm - 2 and annealing at 12500c in ar + 5 % o2 for 5 hours, are fit for the formation of sige - oi structure ; ge loss during the high temperature annealing has been observed, which is originated from ge volatility and ge diffusion ; it has been proposed to use nanoporous layer induced by h + / he + implantation to surppress ge diffusion and to use surface oxidation to overcome the upper limit of sige simox. sige smart - cut : hydrogen ions were implanted into sige material and followed by high temperature process ( 4000c to 7000c ) ; blistering study was done and suggested the possibility of sige layer transfer by smart - cut technology ; it is concluded that the bubble formation is easier in sige than in si, and the strain in sige / si and the difference of binding energy in sige and in si could possibly contribute to this effect. behavior of sige / si implanted with hydrogen : gave a detailed study on sige implanted by beamline or phi hydrogen implantation ; it has been found that great strain is introduced into sige by hydrogen implantation and this strain could be alleviated by high temperature annealing ; both for conditional beamline implantation and piii hydrogen implantation, 600 is appropriate for the post - implantation treatment
Sige - simox工藝方面：首次採用硅（ 100 ）襯底上直接外延的100nm厚sige的樣品中注入高劑量的o離子，通過退火處理成功制備了sige - oi新結構，即sige - simox工藝，證實了以45kev注入3 10 ~ （ 17 ） 7cm ~ （ - 2 ）劑量的氧離子，隨后在氧化層的保護下經1250 ， ar + 5 o _ 2氣氛的高溫退火（ 5小時）過程，可以制備出sige - oi新型材料；實驗中觀察到退火過程中的ge損失現象，分析了其原因是ge揮發（ ge通過表面氧化層以geo揮發性物質的形式進入退火氣氛）和ge擴散（ ge穿過離子注入形成的氧化埋層而進入si襯底中） ，其中ge擴散是主要原因；根據實驗結果及實驗中出現的問題，對下一步工作提出兩個改進的方案：一是通過在si襯底中注入適量h ~ + / he ~ +形成納米孔層來阻斷ge擴散通路，二是可以通過控製表面氧化來調節安止額士淤丈撈要表面sige層中的ge組分，從而部分解決sige -
In order to solve the static, dynamic and material nonlinear problems of mega - frame structure, this paper analyzes mega - frame structure by qr - method and sets up a new computational form. in this paper, the author adopts the method of repeated increment and no limit stabilization to handle t he elastic - plastic rigid equation and dynamic equation
然後，利用qr法對巨型框架結構進行分析，解決該結構的靜力、動力及材料非線性問題，利用增量迭代法及樣條無條件穩定演算法分別求解彈塑性剛度方程及動力方程，建立了高層巨型框架結構分析的新的計算格式。 -
At first, the author establish the linear and geometric nonlinear static equation on the base of rigid equation of element by qr method and analysis the inner force of spatial lattice structures, and establish the linear and material nonlinear dynamic equation and solve these equations by the method of no limit stabilization
建立網殼結構的線性靜力方程和幾何非線性靜力方程，進行了靜力性能分析；建立線性動力方程和材料非線性動力方程，用樣條無條件穩定演算法分別對其進行求解。 -
To accurately predict forming limit, a criterion to reflect material performance in essence was indispensable besides increasing the fea model accuracy
為了準確地預測成形極限，除了提高有限元模擬精度外，應找到一種本質地反映材料性能的韌性斷裂準則。 -
Simultaneity, through contrast analysis validate that antiseimic capacity of expansion web is better than that of steel web. therefore, based on the experiences summed up by precedence, the formulation for calculating the crack load and limit load of brick masonry house reinforced by expansion web is advanced, which provides project reference. based on the analysis and studies of masonry shearing strength, test of prestressed single brick masonry wall, and test of prestressed brick masonry house models, and ect, the article has carried through several aspect research as below : 1. a series of experiment on material capability of expansion web, including intensity of single thread and expansion web, ect ; 2. research on influence of loading and destroy of masonry brick building reinforced by expansion web under lowcyclic loading ; 3. study of impact of expansion web on ductility, energy dissipation, intensity, ect under the same situation as above ; 4. put forward computation formulation of masonry brick building reinforced by expansion web
本著以上的研究目的，本文在分析和借鑒前人砌體抗剪強度理論、預應力單片墻試驗研究、預應力模型抗震性能試驗研究等基礎上，進行了以下幾方面的研究工作: 1 .作為一種新型結構材料擴張網，進行了一系列的材性試驗（單絲強度、網片強度和在砂漿中被約束條件下的網片強度及其相應的彈性模量） ； 2 .研究了水平荷載往復作用（低周交變）下，普通鋼絲網和擴張網砂漿對砌體結構抗裂及承載能力和破壞形態的影響，並將這兩種材料的加固效果進行了對比； 3 .上述狀態下，兩種網片水泥砂漿對砌體結構變形、延性、耗能、剛度退化等抗震性能的影響及其影響效果的比較； 4 .提出擴張網水泥砂漿加固砌體結構的抗剪強度計算建議公式。 -
This constitutive model describes the non - associated plastic flow of granular material, and replaces the assumption that granular material complies with associated flow rule in the limit " equilibrium theory of granular material
該本構模型反映了散體材料的非相關塑性流動，取代了散體極限平衡理論中散體材料服從相關流動法則的假定。 -
In addition, according to difference between the top - level materials and the low - level materials, the model of leveling the mat erial flow is set up separately. furthermore, the model of leveling the material flow with constrain of resource supplying limit. in the model of optimization on the workload, the mutual effect of line balancing and scheduling is analyzed by an instance ; the factors of line balancing, scheduling, and system parameters, such as workstation length, the launch rate are taken into considered
在基於負荷的多目標協同優化模型中，通過實例分析了平衡設計與排產設計對系統目標的交互影響，綜合了流水線的平衡設計和排產設計與工作站長度、產品投放速率等系統參數對系統的影響來優化混合流水生產系統設計，建立了在2種工作站類型與2種假設情形構成的4種組合下的優化模型，給出了一個優化實例。 -
In order to assure the bonded - strengthened beams to have ductility and fully exert the compressive capability of concrete, the paper deduces the lower limit compressive height used in design from the plane section assumption and theory of limit destruction. the lower limit compressive height is when the strain of compressive edge fiber reaches its peak value ( 0. 002 ) and the externally bonded material reaches its limited strain ( 0. 01 )
由平截面假定和界限破壞理論，並保證粘貼加固梁具有一定的變形能力和較為充分地發揮混凝土的抗壓性能，本文以受壓區混凝土邊緣應變達到峰值應變（ 0 . 002 ） ，而加固材料應變剛好達到極限值（ 0 . 01 ）的界限破壞時混凝土受壓區高度做為粘貼加固梁設計高度的下限值_ （ c0b ） h 。 -
In the light of its special property being not easy to gain strength, through mechanics researches on different methods to stabilize this kind of low _ liquid _ limit silty soil as subbase material, evaluated both technically and economically, we have got a cement lime stabilization plan to meet the index requirements for non _ side _ limit strength of compression of subbase of class2 road stipulated in the specification ; by means of improving the workmanship, thickening the loose layer of soil, adding soil on covering weave fabric before compaction, such problems can be solved as very poor compaction, loose surface during compaction, roughness and unevenness, coats of layer and shear damages
本文針對黃河沖積而成的低液限粉土其粘粒含量極低、土的不均勻系數很小、膠體活性差的工程特性，通過採用不同方法穩定該類土作底基層材料的力學性能研究，從技術、經濟角度綜合評價，得到滿足規范抗壓強度指標要求的水泥石灰穩定方案。通過對原材料、試驗配合比設計、施工、等方面進行優化，從而顯著減輕了基層的早期及長期縮裂程度，從而提高了路面的耐久性。 -
With no limit of viscosity, hardness, and fiber content of the material, it is functioned with air cooling, screen - free, etc
具有風冷、無篩網等多種性能，它不受物料粘度、軟硬度及纖維等限制，對任何物料能起到較好的粉碎效果。 -
The compilation and the applicability of the teaching material limit the implementation and popularization of the new curriculum greatly and have tight connection with the result of the reform of the elementary education. in this dissertation the topic of the compilation and the applicability with the case study of the trial teaching material curriculum of compulsory education of nine years. mathematics
教材作為課程方案與學校和課堂層面的教學行為的中間環節，其編制和適用性在很大程度上制約著新課程的實施和推廣，關繫到基礎教育課程改革的成敗。本研究以《九年義務教育課程?數學》為研究個案，就有關義務教育教材編制和適用性進行了探討。
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