base resistance 中文意思是什麼

base resistance 解釋
基本電阻
  • base : n 1 基底,基,根基,底座;底層,底子;(紀念碑等的)基址;(山)麓。2 【軍事】基地,根據地。3 根...
  • 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 investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological

    分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定,及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。
  2. We shall take the typical emitter-to-base resistance as about 250 ohms.

    我們取發射極基極電阻的典型值為250歐姆左右。
  3. First, passive resistance network was selected as direct current biasing network, which offered direct voltage for base through the resistance voltage divider composed of two resistances, among them the upper resistance connected from the dc to base, the lower resistance connected from the base to ground. the collector connected with dc directly

    直流偏置網路採用無源電阻網路,通過由兩個電阻組成的電阻分壓器為基極提供直流電壓,上偏電阻從電源串聯到基極,下偏電阻從基極到地,集電極直接加電。
  4. The probe ' s linearity, temperature and dynamic characteristics are analyzed base on principal theory of eddy - current displacement sensor, such as the influence of the coil q value to the linearity characteristic, influence of the diameter of coil to the linearity characteristic, influence of coil resistance to the temperature characteristic, influence of the measuring coil to the syntony loop

    在介紹渦流位移傳感器的基本理論的基礎上,分析了傳感器探頭線性特性、溫度特性、動態特性的影響因素。從探頭線圈q值對線性特性的影響;探頭直徑對線性的影響;探頭線圈電阻對溫度特性的影響;激勵信號溫度特性的影響:檢測線圈?振迴路動態響應特性等方面分析並提出製作高質量傳感器探頭的改進措施。
  5. The establishment of yuxi base area resistance against japan won distinctions in the war of resistance against japan

    豫西抗日根據地的建立為抗日戰爭的勝利立下了汗馬功勞。
  6. The aviation materials, such as superalloys ( mainly cobalt - base alloys ), titanium - base alloys, stainless steels, ceramics, highly abrasionproof nonmetals, have become excellent clinical materials because of their premium properties of light mass, high strength, fatigue resistance, heat resisting, high reliability and biocompatibility, have been widely applied in surgical implants

    航空材料中的高溫合金(主要是鈷合金) 、鈦合金、不銹鋼、陶瓷、高耐磨非金屬等材料以其輕質、高強、高抗疲勞性、高耐熱、高可靠性,並且具有良好的生物相容性等優良性能,已成為臨床中較為理想的植入材料,並被廣泛應用於外科植入物方面。
  7. Standard specification for magnesium oxide and aluminum oxide powder and crushable insulators used in the manufacture of metal - sheathed platinum resistance thermometers, base metal thermocouples, and noble metal thermocouples

    金屬外殼的鉑電阻溫度表基金屬熱電耦和貴金屬溫差熱電偶製造中使用的氧化鎂和氧化鋁粉末及壓扁絕緣子的標準規范
  8. At last, the load transmission property of cast - in - place piles, the developing cause of friction resistance and base resistance, and some factors which influence pile ' s bearing capacity and settlement are analyzed. then, we introduced two parameters, e and c to represent the disturbing effect in pile construction on parameters of modulus es and cohesive c, which determined by the pressed piles

    在這個基礎上進一步分析了打入樁的沉樁擠土效應對樁荷載傳遞的影響及其與靜壓樁的差異,在靜壓樁修正系數k _ c和k _ e保持不變的情況下,再引進打入擾動系數_ e和_ c ,以其和原來靜壓樁的k _ c和k _ e的乘積作為打入樁時的修正系數。
  9. This product is pvc base material, and has many advantages such as no glue falling , luster , opacity , intensity , good warm resistance and heat resistance, and is the best dust cleaning partner in working procedure of pcb making

    本產品為pvc基材,具有不掉膠、光澤度、不透光度、強度、耐溫耐熱性好等優點,是pcb製程工序中最佳的除塵夥伴。
  10. Galvanic action improving weather corrosion resistance of the base steel sheet

    電解電鍍鋅大大增強鋼片的防銹能力
  11. Products function : put our “ sun shine ” brand carbon steel fiber evenly seep into concrete to form steel fiber reinforced concrete and it can decrease the thickness of reinforced concrete by half, it not only shorten the project time, save the material and manpower expense, bring distinct economic benefit, but also increase the performance of crack resistance, percussion resistance, tensile strength, bend resistance. scosspr resostamce amd wear resistance of the reinforced base materials. if the weight ratio of 2 % steel fiber seep into the concrete, it can solve the brittleness problem of the concrete, in the condition of 60 % ralative air humidity, after 21days air - dry, even 520 days air - dry, it ' s difficult to find any crack by eyesight, the bend resistance for the steel fiber concrete is 140 times stronger than the concrete without steel fiber, the capability of impact resistance increase 10 times

    產品功能:將本公司「雙興」牌碳鋼纖維系列產品均勻地摻入混凝土中,形成鋼纖維增強混凝土,可使工程中鋼筋混凝土的施工厚度降低一半,不僅縮短了施工工期,節省了材料和人工費用,帶來顯著的經濟效益,且增強了基體的抗裂、抗沖擊、抗彎、抗剪、耐磨擦等性能,如摻入本公司2 %鋼纖維的混凝土,不僅解決了混凝土的脆性問題,在空氣相對濕度60 %的條件下風干21天後,甚至在風干520天,肉眼很難發現裂縫,摻入鋼纖維后的增強混凝土比不摻鋼纖維的混凝土抗彎強度提高140倍,耐沖擊荷載提高10倍。
  12. And the results of calculation and numerical simulation indicate, without increasing the intrinsic collector - junction area of power devices, collector - combed structure helps to raise the intrinsic heat - dissipating area and base ' s perimeter, improve heat - dissipating method of each cell of the chip, enhance the distribution uniformity of junction temperature and current of each cell of the chip, reduce the thermal resistance and raise the dissipation power pd and output power p0, fairly well relax the contradiction among frequency, out - put power and dissipation power of the devices, and further improve the devices " property against second breakdown

    而計算分析和二維數值模擬分析結果表明:梳狀集電結(基區)結構在不增加器件本徵集電結面積的條件下,增大了器件的本徵散熱面積和基區周長,改進了每個子器件單元內的散熱方式,提高了單元內結溫和電流分佈的均勻性,降低了器件的熱阻,增大了器件的耗散功率和輸出功率,較好地緩解了目前傳統結構中頻率與功率、功耗的矛盾,並有利於改善器件抗二次擊穿的性能。
  13. Corrosion resistance of nickel - base alloy spray welding layers after undergoing weld thermal cycle

    帶噴焊層鋼管焊接接頭熱影響區耐蝕性能的研究
  14. The experiential formula between kc and base resistance q from cpt and, the relationship between ke and c # ( strength of concrete ) are also created by fitting 94 pressed pile testing date. based on analyzing the compacting effects caused by driving pile in loess and it ' s influence on bearing capacity and settlement, another two disturbance parameters, c and e, are proposed for multiplying respectively the parameters of soil cohesive c and deformation modulus es to reflect this effect. by fitting 51 driven pile testing date, we created an experiential formula between the e and r ( the modulus ratio between pile and surrounding soil ), also an experiential formula between the c and base friction resistance fs / pa from cpt of pile surrounding soil

    在本文中分析了靜壓樁的沉樁擠土效應對其承載力與沉降特性的影響,在計算模型中引入了樁周土粘聚力c的修正系數k _ c和樁周土變形模量e _ s的修正系數k _ e來體現這種影響,通過對94根靜壓樁試樁資料進行擬合,建立了k _ c與樁端土靜力觸探的端阻q _ c之間經驗公式以及k _ e與c # (混凝土標號)之間的對應關系。
  15. According to elasto - plasticity theory, with the help of finite - method program ansys, the paper undertakes the computer analogue tests about the bearing capacity of pile tip arranged by orthogonal principle, and attains the relations of pile - tip bearing capacity to embedment depth, pile diameter, cohesion, internal friction angle and modulus of deformation. by the means of mathematical statistic, regression equation of the ultimate bearing capacity calculated by finite element method is gained through the regression analysis of 81 group data from the computer analogue tests. by comparison and analysis of the values calculated by finite - element regression equation and the values of in situ loading test, the regression equation is gained which calculates the size effect for base resistance of large diameter pile

    根據彈塑性理論,運用大型有限元軟體ansys按正交設計理論對樁端承載力進行模擬計算,獲得樁端承載力與樁長(埋置深度) 、樁徑、粘聚力、內摩擦角及變形模量等主要影響因素的關系,並採用數理統計方法,對81組ansys模擬試驗結果數據進行回歸分析,得到有限元法確定樁端極限承載力的回歸公式,並將有限元法回歸公式計算值與現場小壓板載荷試驗值進行比較分析,得到大直徑樁端阻的尺寸效應系數計算公式。
  16. Based on the full - depth / part - depth shear spring model proposed by luo weide and the theoretical corealation between the pile base resistance and the pile base settlement presented by randolph, a elastic analytical approach for computing the pile compression is conducted

    本文利用羅惟德全深度? ?變深度剪切彈簧模型推導了樁身壓縮量的彈性理論解析計算方法,選用randolph的樁端沉降與樁端阻力的關系,利用荷載傳遞法推導了樁身壓縮量的數值計算方法。
  17. The experiments show that the bearing capacity of super - long and large - diameter bored piles is mainly contributed by side friction, especially by their upper and middle parts, even under the bearing limitation, the ratio of base resistance to the total load is very low because of the soil residue at the bottom of piles, so this type of piles is friction ones

    試驗表明:即使在極限荷載下,超長樁的豎向承載力仍主要由樁側摩阻力提供,且主要集中在樁的中上段,下段摩阻力很小,樁的端阻力由於樁底沉渣的影響也難以發揮出來,所以超長樁為典型的摩擦樁。
  18. The ratio of mach number between lateral jet and free flow induce intensity degree of jet interaction. it has no obvious difference between two interactions with two types of nozzle exit configuration, rectangle and ellipse. the shock in front of jet results in increase of shock resistance and the jet ejection causes increase of base resistance

    研究表明,側噴流與來流馬赫數之比是影響繞流場的重要因素,該值越大則側噴干擾越強烈,矩形和橢圓形兩種側噴口形狀對側噴流場干擾波系的影響並不明顯。
  19. Beginning with plentiful experimental bases, some problems about pile - foundation technical criterion are discussed, some suggestions about are advanced, some rules about rock - socketed offect are educed : rock - socketed pile has conclusively rock - socketed offect, and when rock - socketed length achieves a certain value, increasing length will not influence bearing capacity, but base resistance still exists. based on the neural network model of limit load of rock - socketed segment of piles, the analysis method of characteristic parameters is proposed by means of self - organizing character map network

    在分析大量的實測資料基礎上,對樁基技術規范中嵌巖樁的承載力計算公式進行了分析探討,認為f _ ( rc )應具體情況具體分析,取值應符合現場實際; s 、 p應在靜載試驗后再確定。
  20. By fitting 106 testing date of cast - in - place piles, the experiential formula between the e and c # as well as l / d ( ratio of length and diameter of pile ) and, the experiential formula c and base resistance qc / pa from cpt of pile surrounding soil are given. finally, we put some examples to testify this theory

    通過對51根打入樁的15組樣本數據的試樁資料進行分析計算,建立了_ e與樁與樁側土的剛度比r之間的經驗公式; _ c與樁側土的靜力觸探成果f _ s p _ a之間的經驗公式。
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