約孔 的英文怎麼說

中文拼音 [yāokǒng]
約孔 英文
yocon
  • 約 : 約動詞[口語] （用秤稱） weigh
  1. About 15 to 20 percent of patients who require treatment for perforation or bleeding will not have an antecedent history of ulcer pain.

    為出血或穿孔而需治療的病人中，約1520以往無潰瘍疼痛的病史。
  2. In the simulation, the mpc technique of msc. nastran is used to simulate the mechanical behavior of contact between the interfaces of piston pin and bearing of small end, crankpin and big end bearing, connecting rod body and bearing cap ; also constraints are applied to the connecting rod reasonably

    分析中採用了patran中的多點約束（ mpc ）技術，有效地模擬了活塞銷與小頭孔內表面、曲柄銷與大頭孔內表面以及連桿體與大頭蓋接觸面的力學接觸狀態，並對連桿進行合理的約束。
  3. Back covered porous brick has been developed in the late period of 1990 ' s, and is produced by semi - dry - pressing method. it has such many advantages as high production efficiency, energy saving, high density, beautiful appearance, high strength, easy bricklaying, and can save 1 / 3 masonry mortar compared with solid brick

    盲孔多孔磚是20世紀90年代後期研製成功的、用半干壓法壓製成型的封底多孔磚，它生產效率高，節約能耗，產品緻密，外形好，強度高，易砌築，用於砌體工程時，可節約1 3砂漿。
  4. Abstract : the paper introduces a kind of method of connecting optimal design of the hydraulic manifolds and establishes the mathematical model based on the constraints of fluxing area and distance between the connecting tubes in the manifolds. a kind of algorithm is provided at the end of it

    文摘:介紹了一種液壓集成塊孔道優化設計方案，建立了以通流面積和壁厚為約束條件的數學模型，並給出了相應的演算法。
  5. " do you know, " he said at last, " i ve had that same criticism passed on me once before - by a very great man, a scientist and evolutionist, joseph le conte

    「你知道不？ 」他終于說話了， 「以前也有人這樣批評過我那是個非常偉大的人，一個科學家，進化論者，約瑟夫勒孔特。
  6. The threshold value of soil water contents for photosynthesis and stomatal resistance is about 14 ( 0g ), i. e., 60 65 of field capacity

    棉花的光合速率和氣孔阻力隨土壤含水量變化的閾值約在14土壤含水量水平，該閾值相當於田間持水量的60 65 。
  7. Aggregate long ellipsoid, 13 cm long, 9 cm in diameter ; pericarp with glaucous lenticels

    聚合果長橢球形，長達13厘米，直徑約9厘米，外果皮有蒼白色皮孔。
  8. 9. feet sweat because there are about 250, 000 pores on their soles that squirt a 60 millilitres of liquid each day. 10

    9 .腳會流汗，是由於腳掌長了大約250 ， 000個細孔，每天分泌60毫升的汗液。
  9. Suddenly you got all moral, rampaging like the old testament prophet.

    突然間你板起了道德面孔，象個舊約擁護者那樣暴跳如雷起來。
  10. Aggregate fruit spicate, 10 cm long, stipe 2 cm long ; follicles ellipsoid or ovoid, 1. 2 - 1. 5 cm long, apex with short and curved tip, outside inconspicuously sparsely lenticeled

    聚合果穗狀，長約10厘米，柄長約2厘米； ? ?長圓形或卵形，長1 . 2 - 1 . 5厘米，頂端具短而彎的尖頭，表面具不顯著的稀疏皮孔。
  11. Limestone and dolomite cover about 130 km2 which takes up about 1 / 7 areas of the national land in china. besides, it is pluviose, muggy and damp in there areas, all of these accelerate the karst caves. there are more than 100, 000 caves and holes under the earth, which consists of a karst caves kingdom in the world

    中國石灰巖和白雲巖的出露面積約為130km2 ，約佔全國總面積的1 7 ，加之雨量充沛，氣候溫熱潮濕，喀斯特較為發育，地下洞穴孔道，計有數十萬個之多，成為世界上的洞穴王國。
  12. Well, while things stood thus, suddenly the hispaniola struck, staggered, ground for an instant in the sand, and then, swift as a blow, canted over to the port side, till the deck stood at an angle of forty - five degrees, and about a puncheon of water splashed into the scupper holes, and lay, in a pool, between the deck and bulwark

    就在這種情況下，伊斯班裊拉號突然一震，搖搖晃晃沖上淺灘，船底擦到了沙地上，船身迅速地向左舷傾斜，直到甲板成四十五度角豎了起來，大約有一百加侖的水從排水孔涌進來，在甲板和舷墻之間形成了一個水池子。
  13. He was a man of twenty - five or twenty - six years of age, of unprepossessing countenance, obsequious to his superiors, insolent to his subordinates ; and this, in addition to his position as responsible agent on board, which is always obnoxious to the sailors, made him as much disliked by the crew as edmond dant

    他約莫有二十五六歲，天生一副對上諂媚對下輕視無禮，不討人喜歡的面孔。他在船上擔任押運員，本來就惹水手們討厭，他個人的一些作派也是惹人討厭的一個因素，船員都憎惡他，卻很愛戴愛德蒙唐太斯。
  14. Compared with the 5. 8s complete sequence of the snail arion rufus, its1 and its2 regions were recognized and combined for analysis. from sequence observation, it showed that the zhejiang sample has more inserted sites and fragments while the sequences of other three are nearly all the same. the average g % + c % of the four individuals was 46. 8 % while the zhejiang sample ' s was 48. 3 % and the other three ' s were all about 46. 2 % ; ts / tv and genetic distance mainly lies between the zhejiang sample and the other three individuals, which were 0. 8 and 0. 07 respectively

    用於比較的序列長約350bp ，觀測一級結構，加拿大、墨西哥灣扇貝和美國二代個體的its1和its2序列幾乎完全相同，而浙江個體則具有較多的插入位點與片段； 4個個體平均g + c含量46 . 8 % ，其中浙江個體為48 . 3 % ，其它3個個體均為46 . 2 %左右；轉換顛換比與遺傳距離主要存在於浙江個體與其它3個個體之間，分別為0 . 8和0 . 07左右；以櫛孔扇貝作外群構建的分子系統樹表明：浙江群體已產生了一定的分化。
  15. The recovery of atmospheric light oil yield of atmospheric in the northern atmospheric distillation tower of shenghua teaching & test factory, science and technology group of china university of petroleum has been increase by about 4 or 5 percent through the following methods : changing the tray perforation of atmospheric tower, adjusting the amount of stripping steam and the outlet temperature of the atmospheric heater and merging atmospheric excess vapor into 3rd atmospheric drawn - stream to keep the fractions content of bottom oil below 5 % before 350

    摘要中國石油大學科技集團勝華教學實驗廠北常減壓蒸餾裝置換煉勝利管輸油后，通過改變常壓塔塔盤開孔率、調節常壓塔汽提蒸汽量和常壓爐出口溫度、常壓過汽化油併入常三抽出線等措施，控制常壓塔底油350前餾分含量小於5 % ，使常壓輕質油收率提高約4 % ~ 5 % 。
  16. Then the article analyses the effecting elements about the economic result of blasting and puts forward some improving measures, and summarizes optimizing model on economic result of blasting both internal and overseas bearing upon. the theory is based on the blasting cost model, which proposed by dr. zhong hanrong. combining with the specialties of water and electricity engineering, starting off through blasting result, it emphasizing considers drilling cost, deep hole bench blasting cost, reblasting cost, and the cost of bottom fleet hole blasting that in mixed loading emulsion explosive blasting

    本文在加拿大鐘漢榮博士提出的爆破成本模型基礎上，結合水電工程的特點，從爆破效果出發，著重考慮了應用混裝乳化炸藥爆破的鉆孔成本、深孔梯段爆破成本、二次爆破成本和爆破后根底淺孔爆破成本，以塊度、振動、安全為約束條件，以這四項成本最小為目標函數，廣泛收集各種爆破經濟技術條件，建立了爆破優化經濟數學模型。
  17. The optimum conditions for air electrode preparation were shown as follow : 20 % ptfe and 20 % mno2 in active layer, thickness of active layer 0. 15 - 0. 25mm and the ratio of active carbon to ethine black 4 : 1 ; 60 % ptfe in the gas diffusion and waterproof layer, employing na2so4 as pore - making agents, thickness 0. 35 - 0. 45mm, colding forming and layer sequence catlytic layer / gas diffusion and waterproof layer / current collector layout ; employing 40 meshed nickel screen as current collector and thermal treatment temperature over 200

    確定了制備空氣電極的優化工藝條件，催化層中ptfe含量約20 ， mno _ 2的最佳含量約為20 ，催化層中活性炭和乙炔黑的比例為4 ： 1 （質量比） ，厚度在0 . 15 - 0 . 25mm之間。防水透氣層中ptfe的含量約為60 ，以無水硫酸鈉作為造孔劑，厚度一般為0 . 35 - 0 . 45mm 。電極各層採用催化層/防水透氣層/集流體的排布方式，冷壓成型，熱處理對空氣電極的性能影響較大，熱處理溫度不低於200 。
  18. In this paper, the influence of cycles of drying and wetting on strength and deformation are studied by means of routine direct shear apparatus, triaxial apparatus and light consolidation apparatus which include : the influence of force of constraint on strength, the total stress strength of expansive soils with different saturation degree, the influence of cycles of drying and wetting on the total stress strength, the relation between saturation degree and compression modulus and that between saturation degree and void ratio, the influence of cycles of drying and wetting on the effective stress strength, the relation between saturation degree and generalized suction

    本文利用常規直剪儀、三軸儀以及輕便固結儀，分別對非飽和膨脹土的強度和變形特性以及干濕循環對強度和變形的影響進行了一系列的試驗研究。以飽和度、干濕循環次數為變量，分別探求了外力約束對膨脹土強度的影響，不同飽和度膨脹土的總應力強度特性，干濕循環對非飽和膨脹土總應力強度的影響，飽和度與壓縮模量以及孔隙比的關系，干濕循環對飽和膨脹土有效應力強度指標的影響，廣義吸力與飽和度的關系，建議了一組計算非飽和膨脹土變形及強度特性的經驗公式。
  19. The research reveals that in the complex foundation, the application of screw drill press concrete stake technology is feasible. it has notable effects in reducing the sedimentation of the complex foundation, ensuring the stake quality of the basic stake, improving the weight bearing capacity, saving costs, and cutting time limit

    研究表明，螺旋鉆孔壓灌混凝土成樁技術在復合地基中的應用是可行的，它在減小復合地基的沉降量，保證基樁的成樁質量，提高承載力，節約工程造價，縮短工期等方面均有顯著作用。
  20. The theory hypothesis of " pore restriction " is first proposed in this paper. during polymerization, one end of linear molecule inserts the channels of zeolite to form hard end through chemical bond or supermolecule acting force, the other end forms soft end through condensing or polymerizing with other monomer molecule. on the basis of the theory hypothesis, a kind of novel pattern of organic - inorganic composite materials - pu / zeolite composite materials - has been designed

    本文首次提出了「孔約束」的理論假說，即在高分子材料聚合過程中，線型分子的一端通過化學鍵或超分子作用力插入分子篩的孔道中形成硬端，而另一端則與其它單體分子縮合或聚合形成高分子材料的軟端；在此假說的基礎上，設計了一類孔約束型有機?無機復合高分子材料的新模式，即聚氨酯/沸石分子篩復合材料。
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