缺口強度 的英文怎麼說

中文拼音 [quēkǒuqiángdù]
缺口強度 英文
notch strength
  • 缺 : Ⅰ動詞1 （缺乏; 短少） be short of; lack 2 （殘缺） be missing; be incomplete 3 （該到而未到） be ...
  • 口 : Ⅰ名詞1 （人或動物進飲食的器官; 嘴） mouth 2 （容器通外面的地方） mouth; rim 3 （出入通過的地方） ...
  • 強 : 強形容詞（強硬不屈;固執） stubborn; unyielding
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 缺口 : 1. （物體邊緣缺掉一塊） breach; gap; loophole 2. （不足;缺額）insufficiency3. [機械工程]notch
  1. The results from x - ray diffraction demonstrated that pp / mmtome was a fully intercalated nanocomposite, pp / mmtom and pp / ommt were partly intercalated nanocomposites, but the intercalation effect of pp / mmtom nanocomposite was better ; the crystallization characteristics of pure pp and pp / mmt nanocomposites were investigated by dsc, waxd and pom. the result of these testing showed that mmt nano - layers acted as nucleating agents for the crystallization of pp, the addition of mmt had effect on the crystallization process, leading the increasing of crystallization temperature crystallization rate and crystallinity, but also the dimension of spherulite reduced. but the formation of pp crystal did n ' t change, the formation of pp crystal in three pp / mmt nanocomposites and pure pp were a - form on the whole ; influences of three sorts of mmt on mechanical properties of pp / mmt nanocomposites were studied, as a result, the addition of mmt comprehensively improved mechanical properties of pp : notched impact strength, tensile strength and flexural properties were all increasing, but the extent of increasing were n ' t large

    通過xrd分析比較這三種pp mmt納米復合材料微觀結構得到， pp mmt _ （ ome ）屬于完全插層， pp mmt _ （ om ）與pp ommt的插層程度相近，但是pp mmt _ （ om ）相對較好；通過對純pp和三種pp mmt納米復合材料的結晶性能研究發現，蒙脫土納米片層對pp結晶產生明顯的異相成核作用，結晶能力增強，使pp的結晶溫度和結晶速率提高，結晶度增加，球晶晶粒細化，但是沒有改變pp的結晶形態，三種pp mmt納米復合材料的結晶形態都屬于晶；通過對pp mmt納米復合材料的力學性能測試得知，蒙脫土的加入全面提高了pp的力學性能，缺口沖擊強度、拉伸強度和彎曲性能都有一定程度的提高，浙江{ _業大學碩十學位論文摘要但是提高幅度都不是很大，不過ommt 、 mmtom和mmtc ） me三種蒙脫土對pp力學性能有著不同的改性作用，其中pp / mmtom最好， pp月邊mto崛次之， pp / ommt最低，這種情況主要是由蒙脫土對pp結晶性能的影響和蒙脫土的納米改性作用造成的。
  2. Nonpolar polypropylene has bad compatibility with mmt even after organic modification to mmt. so polypropylene ( pp ) grafting acrylic acid was produced by the suspension grafting method as compatilizer. as pp / mmt nanocomposites prepared from htab modified mmt as concerned, the interlayer spacing of mmt is 4. 61nm, 4. 2nm and 4. 09nm respectively when the mmt content is 1 %, 2 % and 3 %. so, the abtained nanocomposites has intercalated structure

    當土含量為2 ，相容劑用量為15時力學性能最好，缺口沖擊強度和拉伸強度分別達到16 . 45kj m ~ 2和35 . 77mpa ，分別比純pp增加了280和4 . 3 ，蒙脫土的加入起到了增韌和增強的雙重作用。
  3. The intercalation mechanism of insitu emulsion polymerization has been proposed for the first time. then acr / montmorillonite nanocomposites blended with pvc, the tem and xrd indicated that the montmorillonite were dispersed with nanometer in pvc matrix. the flexural strength and flexure modulus of composites increased with the montmorillonite content, and the impact strength of composites a little increased

    且隨著acr蒙脫土納米復合材料中蒙脫土用量的增加，雖然pvc acr蒙脫土納米復合材料的拉伸性能變化不大，但抗彎強度和彎曲模量明顯增大，而且其缺口沖擊強度也有一定幅度的增大，具有工業實用價值。
  4. Based on the experimental data of rotor steel 1crmov in the loading of low - cycle fatigue at high temperature, the strength behavior and the fatigue life curve of this material at 550 have been achieved. meanwhile, with respect to three kinds of notched bar, their material damage assessment method under multiaxial stress condition is discussed

    本文在1crmov材料的高溫低周疲勞實驗數據進行了整理和統計的基礎上，得到了材料的疲勞強度特性曲線和疲勞壽命曲線，同時對三種不同缺口形式的圓柱形試件進行了多軸應力狀態下的材料損傷的研究，並通過數值計算方法進行了疲勞壽命評估。
  5. Charpy impact strength notched kj m2

    簡支梁沖擊強度缺口kj m2
  6. Analysis results of histogram statistics and section electron microscopic scan technique, are that fracture feature of the cracks of the hbbb is similar and the crack is multi - source strain fatigue one. internal defects of the cast, such as impurities, gas holes, etc, are the main causes for early cracks. the contrast analysis of static strength, model and transient respond on three structures with fem proves that geometrical stress concentration in partial area has influence on early crack, also

    利用直方圖等統計方法和電鏡掃描技術對該抱軸箱體裂紋分析的結果是：抱軸箱體的裂紋斷口特徵相近，裂紋性質屬于多源性低周疲勞裂紋，鑄件中的夾雜、氣孔等內部缺陷是導致過早裂損的主要原因；利用有限元法對該抱軸箱體三種結構的靜強度、模態和動態響應對比分析，證實了局部幾何性應力集中對過早裂損也有一定影響。
  7. The discuss starts from the " positive externalities " of tech - research and development, pointing out that the products of tech - research and development somewhat has the property of " public good ". without < wp = 8 > government ' s interfere, the intensity of tech - research and development by private section ca n ' t meet the need of " pareto optism " because of the " positive externalities ", as a result, the items of venture capital are insufficient and the development of venture captal will be pull back. rational policies of government expediture can internalize the " positive externalities " - transforming them to more revenue or less cost of the tech - research and development private suppliers. be feared of the high risk at the beginning of venture capital, the private section ca n ' t provide enough capital, the " capital gap " should be fetched up by government with equity capital, creditor ' s right capital, subcidy, at the same time, some other means, such as government purchase, credit guarantee, capital insurance, tax expenditure can promte private capital, is also important. in this part, the function of the above means, the establishment and enforcment of them are breafly discussed. because tax policies play a critical role in fiscal policy, r - y chart is used to analyse the relation between tax and venture capital, at last, a conclution is drawn : tax expenditure can promote venture capital

    這部分論述從科技研發成果的「外溢性」入手，指出科技研發成果在不同程度上具有「公共品」性質，這種外溢性使得在純市場條件下，私人部門研發活動強度達不到社會資源配置最優的要求，也使風險投資項目來源不足， < wp = 6 >阻礙風險投資的發展。合理的政府財政支出政策可以使「外溢性」內部化。之後，論述了風險投資資本來源與政府財政支出政策的關系，由於風險投資尤其是其初期的高風險性，民間風險資本不足，應由政府以股權及債權投資、補助等財政直接支出方式彌補資本缺口，運用政府采購、財政擔保、保險、貼息、稅收優惠等間接支出方式，鼓勵民間資本進入風險投資領域也同樣重要。
  8. Firstly, the parameters controlling ductile crack growth are gotten from the resistance curve result of standard 3 point bending specimen, then the resistance curves of the tension specimen for the welded joint with different strength mis - matching are predicted based on the cell model

    首先由標準三點彎曲試件的阻力曲線，得出反映材料微觀損傷的特殊單元模型控制參量，再根據該參量對不同接頭強度匹配下雙邊缺口拉伸試件的阻力曲線進行了定量預測，其結果與試驗結果相當吻合。
  9. Moa is kind of necessary over - voltage protector for safety running in electrical power system, it ' s used for prevent the equipment against the damage of atmosphere and operating over - voltage without gaps is belong to the third dynasty product, it ' s recognized as the up - to - data over - voltage protector, this kind of product is made up of zinc oxide films and polymer housing for example sr, epdm, hdpe it has features of small volume, simple structure, light height, pololution - prool and non - detonation and is suitable to be usde in the densely populated city

    避雷器是電力系統安全運行不可缺少的過電壓保護產品，用以保護電器設備免遭大氧過電壓和操作過電壓的損害，而復合外套無間隙氧化鋅避雷器是屬于避雷器第三產品，是當今各項性能最好的產品，其核心元件電阻片全部採用氧化鋅閥片，而外殼材料是採用復合有機材料，如硅橡膠（ sr ） ，改性三元乙丙橡膠（ epdm ）高密度聚乙烯（ hdpe ）等，它具有體積小，結構簡單，重量輕，耐污積強，防爆等優點，最適合人口密度城市中使用。
  10. If more psmn was added, izod impact strength of ppmn began to decrease

    繼續增加psmn的填充量，缺口沖擊強度開始下降。
  11. The problem that ommt resulted in pvc degraded was settled. but na - mmt in pvc / na - mmt composite was simply common filler, the space of the layers was 1. 29nm

    通過力學性能測試發現，在蒙脫土含量為7phr時，硬質pvc的缺口沖擊強度最大提高了108 % ，彎曲模量也有所提高。
  12. The results showed that polyacrylate / caco3 is better dispersed in the pvc matrix. the notched impact strength of pvc and polyacrylate / caco3 blends is improved obviously. and the tensile strength of the blend has significantly unchanged

    Pba - pmma caco _ 3粉末與pvc共混后能較好地分散在基體pvc中，並能明顯提高共混材料的缺口沖擊強度。
  13. The mechanical properties of system of hpvc / mmt composites showed, the notched impact strength of hpvc / mmtome nanocomposite was 1. 08 times of that of pure hpvc, but the notched impact strength of pvc / na - mmt composite increased only 29 %

    但是，硬質pvc / na一mmt復合體系的缺口沖擊強度只提高了29 % ，蒙脫土層間距還是1 . 29nm ，屬于普通填充型復合材料。
  14. When the contents of other blending components were fixed, with the content increasing of psmn, izod impact strength of ppmn was enhanced gradually. when the content of montmorillonite was 2wt %, max value of 36. 24kj / m2 was achieved

    在其它共混組分含量不變的條件下，隨psmn填充量的增加，復合材料缺口沖擊強度逐漸提高，在蒙脫土填充量為2wt時達到最大值36 . 24kj m ~ 2 。
  15. ( 3 ) in comparison with nanoparticles, alkylated nanoparticles and composited nanoparticles evidently improve the mechanical properties of polymer matrix. in particular, addition of composited particles enhances the impact strength of pp by nearly 100 %

    （ 3 ）與納米粒子相比，烷基化納米粒子與復合納米粒子改善了聚合物基體的力學性能，尤其是復合粒子的添加，使基體缺口沖擊強度有著較大的提高。
  16. The results showed that the notched impact strength of pvc / acr blends was improved remarkably and the tensile strength and the flexural strength of the blends have not obviously changed. the notched impact strength of pvc / acr blends was increased to about 3 times more than the pure pvc when the ratio of pvc / acr is 100 / 6 ( wt )

    結果表明，所合成的acr和pvc共混后能提高pvc的抗沖擊性能，並呈現明顯的韌性斷裂特徵，而材料的拉伸性能和彎曲性能下降不大，當pvc acr = 100 6時，共混體系的缺口沖擊強度較純pvc提高3倍多。
  17. Through empirical analysis on three kinds of effects mentioned of investment expansion, using co - integration analysis, regression analysis, granger causality test, it proves that three effects do exist. according to further empirical test on the causality and long - term correlativity between investment and inflation, it shows that prominent causality and correlativity exist. investment has obvious effect on inflation and is the important reason of inflation

    同時通過協整分析、回歸分析、格蘭傑因果關系分析等實證檢驗，對我國投資擴張的強需求效應、能源缺口效應和貨幣供給增加效應的存在性進行檢驗，發現上述三種效應確實存在;通過對投資擴張與通貨膨脹的因果關系和長期均衡關系的進一步實證檢驗，發現投資擴張與通貨膨脹之間具有顯著的因果關系和相關關系，投資擴張對通貨膨脹的作用程度比較明顯，是導致通貨膨脹的重要因素。
  18. The following results are achieved : ( 1 ) in accordance with the empirical electron theory of solids and molecules, considering the number of covalent bond pairs on the strongest bond in a segregation structure na, the elements for matrix - strengthening can be chosen. ( 2 ) on the basis of the available phase - equilibrium thermodynamics calculation of alloy system and phase diagrams, which have been worked out, the contents of alloy elements can be identified with reference to the types, quantity and phase - transformation of carbides. ( 3 ) both the values relating to toughness ( including bending strength, yield strength, impact value of unnotched samples ) and hardness of new dm9 die steel are higher than those of crl2mov die steel

    結果得出： （ 1 ）根據固體與分子經驗電子理論，利用偏聚結構單元的最強共價鍵上的共用電子對數n _ a ，可以選擇工模具鋼基體相的強化元素； （ 2 ）根據合金系相平衡熱力學計算及已有的相圖，可以碳化物類型、數量及其相變確定合金元素含量； （ 3 ）新型dm9鋼在強韌性（抗彎強度、屈服強度、無缺口沖擊值）和硬度方面均高於cr12mov鋼； （ 4 ）以dm9鋼與6crw2si 、 7cr2wmovsi （ dm7 ） 、 h13和cr12mov四種模具鋼的實驗比較，進一步驗證了上述冷作模具鋼合金設計方案是合適的。
  19. Impact strength unnotched

    沖擊強度無缺口kj m
  20. The results show that : the strength and fatigue lifetime of the outer casing including welding line can satisfy the design requirement. although the some parts of bearing has been yielded, the strength at the weld is large enough for requirement. and welding defect, indicted by sem analyses of failure section, is main reason affecting fatigue lifetime

    分析結果表明：外機匣（包含焊縫）強度和壽命滿足設計強度和壽命的要求；軸承座的強度已經進入屈服階段，而軸承座及其焊縫處的壽命卻是滿足設計壽命要求；另外斷口的金相分析表明焊接缺陷的存在是影響疲勞壽命的主要原因之一，故需提高焊接技術，減少焊接缺陷的存在以提高焊接結構的壽命。
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