density resistance 中文意思是什麼

density resistance 解釋
密度阻力
  • density : n. 1. 稠密；濃厚。2. 【物理學】濃度；密度；比重。3. 愚鈍，昏庸。
  • resistance : n. 1. 抵抗，反抗，抗拒，抵禦；敵對，抵抗力，反抗力，阻力，【生物學】抗病性。2. 【電學】電阻；阻抗；電阻器。
  1. The controlling parameters for smooth blasting in qin - ling zhongnanshan tunnel project are optimized according to the fundamental principle of smooth blasting, considering the minimal resistance, coefficient of embrasure density, coefficient of non - coupling, density of dynamite and rate of exploding. the efficiency of this method has been analyzed and justified by the high speed and good quality of the project

    根據光面爆破的基本原理，從最小抵抗線、爆眼密集系數、不耦合系數、線裝藥密度、爆破進尺等幾個方面確定秦嶺終南山隧道光面爆破主要參數的選取，分析了該隧道鉆爆設計在隧道施工中的運用取得的成效，提高了施工進度，同時也保證了施工質量。
  2. In this paper, the effects of fly ash, cement, lime, fine sands, foam agent, w / c ratio and additional agent on foamed concrete were studied by experiments, the best combination ratio of fly ash foamed concrete whose density varies from 551kg / m3 to 650kg / m3 was obtained through orthogonal test design, the foam agent quantity and the fly ash quantity effect the fly ash foamed concrete greatly, so the author selected them as independents to establish duality linear regression equations, the equations were quite ideal through the test of model summary r. moreover, the author also did some experiments about the water resistance of magnesium oxychloride cement fly ash foamed concrete, the outcome showed that phosphoric acid has good effect on water resistance, and its appropriate quantity was found

    本文通過試驗研究了粉煤灰、水泥、石灰、細砂、發泡液、水灰比及外加劑對粉煤灰發泡混凝土性能的影響，採用正交設計試驗方法得出了600級粉煤灰發泡混凝土的最佳配合比，同時發現發泡液和粉煤灰摻量對發泡混凝土的影響最為顯著，因此，以二者為自變量建立了二元線性回歸方程，通過全相關系數的檢驗發現方程較為理想。此外，還對氯氧鎂水泥基粉煤灰發泡混凝土的耐水性進行了相關實驗，發現磷酸有較好的耐水性效果，同時找到了其合適的摻量范圍。
  3. 4. hard maple : origin of north america and europe, wooden features : density 0. 49 - 0. 55g cm3, it is valued for its strength, beauty and resistance to wear. texture is fine with a uniform grain and a fairly clear white color. maple is best when left natural with a clear seal coating

    木材特徵：氣干密度0 . 49 - 0 . 55g cm3材質軟， ，強度，韌性適中結構均勻，紋理直，木材堅固，耐沖擊力切割，膠粘和磨光性能良好，耐腐耐磨性良好。
  4. Hypereutectic al - si alloys are known to be suitable for wear - resistance material because of its low density, high tensile properties and low coefficient of thermal expansion

    高硅鋁合金的耐磨性好，強度高，密度低，熱膨脹系數小。
  5. The paper studied comprehensive performance of ten different mixed lawn grass at chengdu city, the characteristics of lawny planting speed, greensward density, leaf texture, green vegetation index, disease resistance, the cover age, uniformity and comprehensive quality were evaluated

    摘要對10個混播組合草坪草在成都地區的綜合表現進行了研究，分別對建植速度、密度、葉片質地、綠度、抗病性、蓋度、均一性、綜合評定共8項質量進行綜合評價。
  6. Product features : it not only features all exellent quality of quality vitrified tiles, but aslo features unmatched microlite feeling, with perfect density, uniformity. super light and strength, jade - like texture and crystak feel ; the product is superior in acid and alkali resistance, corrosion resistance and weather resistance

    產品特點:既具備優質玻化石的所有優良品質，同時又具備玻化石無法比擬的微晶質感，通體緻密，平整規正，超高光澤，超高強度，玉石般的質感，晶瑩剔透;產品耐酸堿度，抗腐蝕性能耐候性更優越
  7. Product features : it not only features all excellent quality vitrified tiles, but also features unmatched microlite feeling, with perfect density, uniformity, super high luster and strength, jade - like texture and crystal feel ; the product is superior in acid and alkali resistance, corrosion resistance and weather resistance

    產品特點：具備優質玻化石的所有優良品質，同時又具備玻化石無法比擬的微晶質感，通體緻密，平整規正，超高光澤度，超高強度，玉石般的質感，晶瑩剔透；產品耐酸堿度、抗腐蝕性能、耐候性更為優越。
  8. It has noncombustible, non - toxic, corrosion resistance, bulk density of small, low thermal conductivity, chemical stability strong, and low moisture absorption rate, hydrophobic good, and many other advantages, is recognized superior insulating properties, thermal insulation, sound - absorbing materials with a wide range of purposes

    它具有不燃、無毒、耐腐蝕、容重小、導熱系數低、化學穩定性強、吸濕率低、憎水性好等諸多優點，是目前公認性能優越的保溫、隔熱、吸音材料，具有十分廣泛的用途。
  9. It is designed according to electrical stove or microwave oven request. heating pipe adopts high temperature resistance mgo powder as the insulation medium and the stainless steel case is passed oxidation deal through the advanced web band protection oven 1050c in order to become the a special oxidation layer and improve the high temperature oxidation and bittern corrosive performance of the heating pipe. the heating tube has high power density and strong heat radion. this product with good safe performance can work normally after 3000hrs life test

    加熱管選用耐高溫氧化鎂作絕緣介質，不銹鋼外殼經過先進的網帶氣體保護爐1050的氧化處理，形成一種特殊的氧化層，提高電熱管的抗高溫氧化及鹽鹵的腐蝕性能。電熱管的功率密度較高，熱輻射能力強。產品經長達3000h的壽命試驗后，仍能正常工作，安全性能好。
  10. Wooden features : density 0. 64 - 0. 80g cm3 ; with glossy wood, the new plane is cedar flavor, texture staggered, plane with a black strip pattern ; structure is detailed, uniform ; medium weight, high strength, easy to dry and wear resistance against borers and termites

    3沙比利：學名筒狀非洲楝，英文名： sapelli ，產于非洲。木材具光澤，新切面有雪松味，紋理交錯，切面有黑色條狀花紋結構細，均勻重量中等，強度高，易乾燥，耐磨，抗白蟻和蛀蟲危害。
  11. 1. sapelli : origin of africa. wooden features : density 0. 64 - 0. 80g cm3 ; with glossy wood, the new plane is cedar flavor, texture staggered, plane with a black strip pattern ; structure is detailed, uniform ; medium weight, high strength, easy to dry and wear resistance against borers and termites

    木材特徵：氣干密度0 . 64 - 0 . 80g cm3木材具光澤，新切面有雪松味，紋理交錯，切面有黑色條狀花紋結構細，均勻重量中等，強度高，易乾燥，耐磨，抗白蟻和蛀蟲危害。
  12. A model of the interface state density distribution near by valence band is presented, and the dependence of the threshold voltage on temperature, the c - v characteristics and the subthreshold characteristics are predicted exactly with this model ; the effects of s / d series resistance on the output characteristics, transfer characteristics and effective mobility of sic pmosfets are analyzed. thirdly, the output characteristics and the drain breakdown characteristics are modeled with the procedure medici. the output characteristics in the room temperature and 300 ? are simulated, and the effects of gate voltage. contact resistance, interface state and other factors on sic pmos drain breakdown characteristics are analyzed

    提出了一個價帶附近的界面態分佈模型，用該模型較好地描述了sicpmos器件閾值電壓隨溫度的變化關系、 c - v特性曲線以及亞閾特性曲線；分析了源漏寄生電阻對sicpmos器件輸出特性、轉移特性以及有效遷移率的影響；論文中用模擬軟體medici模擬了sicpmos器件的輸出特性和漏擊穿特性，分別模擬了室溫下和300時sicpmos器件的輸出特性，分析了柵電壓、接觸電阻、界面態以及其他因素對sicpmos擊穿特性的影響。
  13. Cigarette tip and fire resistant high - density water and fire resistance

    防煙蒂和火/耐火層高密度/表面水火不侵
  14. As a super refractory, nature flaky graphite has many advantages such as high thermal conductivity, high thermal shock resistance, excellent high - temperature strength, excellent machinability, high sublimation temperature and low thermal expansion coefficient. unfortunately, the poor water wettability, low density and flaky structure of graphite surface limit its application with large quantity

    天然鱗片石墨以其熱膨脹小，導熱性、抗熱震性和化學穩定性好等諸多優點而成為適應鋼鐵冶煉苛刻環境耐火材料的原料，但石墨在水中的潤濕性、分散性差以及在空氣中易氧化等缺點限制了它的進一步應用。
  15. Hf - current generates warmth in tissues. this warmth rises proportionally to electrical resistance and superproportionally to the square of current density

    高頻電流流過組織時產生熱量，這些熱量和電阻抗、電流強度的平方成正比。
  16. Effects of diamond particles and their adding contents on the coating hardness, friction coefficient, wear resistance, corrosion current density and microstructures were studied

    研究了金剛石粒子及其添加量對塗層硬度、摩擦因數、耐磨性能、腐蝕電流密度和微觀組織的影響。
  17. When basement rock rupture pass through the well cross section, the fracture belts can be identified with some evidences, for example, the compensate neutron increasing and the stratum density diminishing synchronization, the dual - laterolog resistance diminishing greatly and the positive difference between the deep laterolog resistance and the shallow laterolog resistance appearing. when the compensate neutron increase, the stratum density diminishing and the dual - laterolog resistance value diminishing slightly, the fracture belts can be confirmed with the intrusive vein at high frequency in well cross section

    當有基巖斷裂在井削麵上通過時，若補償中子增大與地層密度變小同步發生，雙側向測井電阻率有明顯變低並有正差異出現，則可以判別為裂縫發育帶；當補償中子增大，地層密度變小及雙側向幅度變小都不太明顯時，則可以利用井剖面中頻繁出現的侵入巖脈來確定裂縫發育段。
  18. 8. movingui : origin of africa. wood features : density 0. 33 - 0. 48g cm3, uniform fine structure, texture staggered ; good wear resistance ; and anti - termite ; have shiny ; a hint of aroma ; nail - holding good

    木材特徵：氣干密度0 . 33 - 0 . 48g cm3結構細膩均勻，紋理交錯耐磨性好能抗白蟻具光澤有淡淡香氣握釘力良好。
  19. Abstract : in light of thicker grain and smaller viscosity of debris flow, a segmented simulation of the debris flow with flume is presented. for the first time. more difficult resistance similarity is brought about by geometric rate without excessive coarsing and discontinuous similarity of sand grain composition in model is eliminated with different grain scale. on this basis the density similarity and sand conveying similarity are achived. the method presented is verified through a model test case

    文摘:針對水石流顆粒粗，粘性小的特點，提出了利用水槽進行分段模擬水石流的設想，首次通過幾何變率解決難度較大的阻力相似問題，改變了以往過度加糙的方式;通過變粒徑比尺的方法消除了模型沙級配不連續相似的問題，較好地實現了固體物質級配相似，達到了泥石流的密度相似和輸沙相似.通過水槽概化模型試驗實例，對本方法進行了驗證
  20. The researches of dynamic behavior and liquefaction potential of saturated sands have been further. however, more and more macroscopic liquefaction phenomena and experimental investigations show that different depositional environments lead to different structure of soils, while the influence of structure property of soils on liquefaction resistance is no less than that of density and consolidation stress and so on. ancient alluvial flat deposits, namely recently deposited soils, are easier liquefaction during earthquake

    對於一般飽和砂土的動力特性和液化勢的研究已比較深入，然而，愈益增多的宏觀現象和試驗研究表明，由於土的沉積環境不同而導致土的結構性的差異，而土的結構性對抗液化能力的影響並不亞於密度、固結壓力等因素，古河漫灘堆積物即新近沉積土在地震當中更容易液化。
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