直孔型 的英文怎麼說

中文拼音 [zhíkǒngxíng]
直孔型 英文
straight pass
  • : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
  • 孔型 : [冶金學] pass; roll pass
  1. The method of crack - division is used to make radial cracks at the edge of cavity. a series of integral equations for determining the dsif at tips of anti - plane crack are set up in terms of the green ' s function

    按「契合」的方式和採用裂紋切割技術構造出邊徑向界面裂紋對sh波散射的模,利用green函數建立接求解m裂紋尖端動應力強度因子的定解積分方程組。
  2. The aim of this work is to have a better understanding of the structure, differentiation and phylogenetic relationship of the tribe hyoscyameae in the solanaceae using evidence from leaf epidermis, seed morphology, palynology, embryology, floral organogenesis, trnl - f and its sequences, and plant geography. the results are summarized as follows : 1. leaf epidermis leaf epidermis of 21 species in seven genera of the tribe hyoscyameae and four species in four related genera was investigated under both light microscope ( lm ) and scanning electron microscope ( sem )

    解剖學在光學顯微鏡和掃描電鏡下,觀察了茄科天仙子族( hyoscyameae ) 7屬21種及鄰近4屬4種共25種植物的葉表皮特徵,結果表明:氣器在各種植物的上、下的表皮均有分佈,多為無規則,也有不等細胞;葉表皮細胞形狀有不規則形、十字形、近長圓形和不規則多邊形,垂周壁較平或各種波狀。
  3. Both upper and lower epidermis cells are polygonal or irregular in shape in all species studied. the patterns of anticlinal walls are straight, arched or sinuous, and the raphal cuticular striastriae are occasionally observed on periclinal walls. stomatal apparatus and secretory cells are found on the upper epidermis of several species and on the lower epidermis of all species

    結果表明:這些植物葉片的上、下表皮細胞呈多邊形或不規則形,垂周壁式樣為平、弓形或波浪狀,平周壁偶有脊狀條紋;少數種類上表皮還有氣器或分泌細胞,所有種類下表皮具氣器和分泌細胞;氣器類以平列和側列居多,偶爾有無規則;氣極區呈稍角質加厚或棒狀加厚,稀t形加厚。
  4. The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations

    摘要通過分析一種分體式充氣可調阻尼減振器的結構和工作原理,運用流體力學理論,建立了該減振器阻尼特性的非線性參數化模,模擬分析了活塞阻尼閥徑、阻尼調節徑、氣室初始體積、活塞桿徑、油管內徑等主要結構參數對減振器阻尼性能的影響,通過試驗測試,得到了減振器樣件的阻尼特性及其可調范圍。
  5. In this paper, thermal evolution history of organic matter of the source rocks and hydrocarbon generation history have been researched by tti method, hydrocarbon migration direction and migration times were probed combining with the area structure development feature ; distribution pattern of the main reservoir intervals on lateral and longitudinal have been predicted by researching on development feature and control factors of the reservoir intervals, the actions of reservoir conditions in hydrocarbon accumulation and bearing also were probed combining with pore evolution feature ; the micro - pore feature of regional cap and direct seal in carboniferous - lower triassic in this area have been determined with micro - capillary pressure curve and intrusive mercury curve ; the prospecting districts have been pointed out combining with the hydro - geologic feature, the potential reservoirs were classified according to trap types in this area, the author attempt to evaluate on the hydrocarbon - bearing condition in the str ata of carboniferous ~ lower triassic from hydrocarbon generation and migration reservoir condition, reserved condition etc, and predict the reservoir types and hydrocarbon - bearing patterns combining with the structure evolution. based on above, the author point out that the central block of chenghu - tuditang synclinorium and the southern block of dangyang synclinorium are the advantageous regions for exploration

    本文用tti方法研究了烴源巖有機質的熱演化史和油氣生成史,並結合區內構造發育特徵,探討油氣在區域上的運移方向和在時間上的運移期次;通過對儲集層段的發育特徵和控制因素的研究,預測了本區主要的儲集層段在橫向上和縱向上的分佈規律,並結合隙演化特徵,探討儲集條件在油氣聚集成藏中的作用;利用微毛細管壓力曲線法和壓汞法,對石炭系?下三疊統的區域蓋層和接蓋層的微隙特徵進行了定量評價,並結合水文地質分佈特徵,指出有利於油氣保存的地區;根據區內存在的各種圈閉類,對可能存在的油氣藏進行了分類,並試圖從油氣的生成與運移、儲集條件、保存條件等方面,動態地綜合評價石炭系?下三疊統油氣成藏條件,並結合構造演化特徵,預測其油氣藏類和成藏模式。
  6. At the surface of the pollen grains there are three types of aperturates, including three porates type, three colpates type and three porate - colpates type ; and four types of sculpture, namely, reticulate, striate, striate - reticulate and verrucate. the upper epidermal cells of the leaves of 12 species plants are detected with hpias - 1000 image analytic system through the treatment of binarization, and the experimental methods are proved stable. the results indicated that the waviness of the anticlinal walls ( sfc ) and the ratio of the feret ' s diameter ( slf ) of the epidermal cells of the middle lamina in the third node of leaves starting from the lowerest part of the stem have a relative constant range and could distinguish from each other. oieanolic acid, l, 5, 8 - trihydroxy - 3 - methoxyxanthone and swertiamarin are separately detected on the tlc, and the different chromatogram of various plants can be considered as characters of identification. the contents of oleanolic acid in 12 species of plants are determinated by hplc, but among the different plants and botanical organs their contents are different, and the highest content in flowers

    本文對川鄂產獐牙菜屬藥用植物資源進行了野外調查、標本採集和鑒定,對12種乾燥藥材的性狀進行了描述,提供了可以鑒別的特徵。通過掃描電子顯微鏡觀察的12種本屬藥用植物的花粉粒均為單粒花粉,萌發有3, 3溝和3三種類;表面紋飾包括網狀紋,條狀?網狀紋,條狀紋和瘤狀紋四種類。用hpias ? 1000高清晰度彩色病理圖文分析系統對葉片上表皮細胞作圖像分析,並進行方法學研究,結果表明,同種植物莖上第3節葉片中段主脈和第1側脈之間葉上表皮細胞垂周壁彎曲程度sfc值和細胞縱、橫向徑的比值slf值,種間有顯著差異,每種都有相對恆定范圍值。
  7. Do some necessary calculations and decide on the general scheme of compton back - scattering imaging scanner to the real wall inspection. include the selection of radioactive source, the calculation of compton back - scattering beam, the calculation of the basic condition of finding out the different materials and the determination of some important parameters as well. 3

    其主要內容包括入射源的選擇,散射粒子的理論計算,發現異物的最低條件計算以及系統的一些重要參數的確定,主要包括:放射源的選擇,散射角的確定,后準器的形狀與尺寸,前準器的尺寸,前準的大小,檢測器的種類與號,檢測器的效率等。
  8. The major diameter filling pile drilling machine of qj250 - 1 type applies to major diameter bridge pier hole of various geologic conditions such as ravelly ground, clay loam layer, sandy gravel, breaking layer and lithosphere as well as other various major diameter pore forming construction

    1徑灌注樁鉆機適用於鬆散地層、粘泥層、砂礫層、破碎層和巖石層等多種地質條件的大徑橋樁,以及其它各種大徑成施工。
  9. Ps radiation mechanism has been discussed and investigated for many years and many theoretical models have been proposed to describe photoluminescence in porous silicon, for instance quantum confinement effect model, polysilanes model, siloxen and its derivant, surfacial states model and quantum confinement - light center model etc. in addition, study status of ps at present is addressed and applied problems in some fields are analyzed in this section

    多年來,人們對多硅發光機理一進行著堅持不懈的探討和研究,提出了許多種解釋多硅層( psl )發光的模,典的有下列幾種:量子限制模、硅-氫鍵或多硅烷( polysilanes )的發光、硅氧烯及其衍生物的發光、表面態模和量子限制-發光中心模
  10. As an important step, the roll groove design - the selection of the roll groove system and the determination of the dimension, makes the decisive effect on the dimensional accuracy and the mechanic character of the tread steel bar

    設計作為螺紋鋼筋生產中的重要環節,對螺紋鋼筋尺寸精度的高低起著決定性作用,系統的選擇及尺寸的確定接影響到成品鋼筋的尺寸精度及其機械性能。
  11. Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of direct methanol fuel cell ( dmfc ) have been expressed with the tffa model. model calculation has been carried out to investigate the effects of structural parameters of the dmfc cathode on the electrode performance, which is respectively represented by the curve of cathode overpotential versus current density. much attention has been paid to parameters including the porosity of the reaction layer, the thickness of the thin - film on the flooded - agglomerate, the radius of the flooded - agglomerate, the volume fraction of the flooded - agglomerates in the reaction layer

    本文首先運用tffa模描述接甲醇燃料電池( dmfc )陰極氧氣的傳遞和電化學反應過程,研究了過電位-電流密度曲線受陰極結構參數變化的影響程度,其中著重考慮了以下幾個參數:催化層的隙率,浸漬聚集體薄膜的厚度,浸漬聚集體的半徑,浸漬聚集體在催化層中的體積分數。
  12. Results showed that the pollen grain of p. mira, which is used as material by sem for the first time, was nearly elliptic in shape and the extine pattern was simply striped with no pores

    結果表明,光核桃花粉粒的形態呈橢圓球形,其外壁紋飾呈簡單的紋平行,無穿,是最原始的桃亞屬植物野生種,未發現與栽培種有接的關系。
  13. A restriction of ten sheets of stamps of each denomination ( viz. 250 sets of stamps ), twenty souvenir sheets, twenty imperforated stamp sheetlets, five serviced first day covers, five sets of picture cards and five presentation packs per customer queuing will be imposed on the first day of issue on january 13, 2002 and on subsequent days until stock lasts

    由發行首日,即二二年一月十三日開始,每位排隊的市民限買每種面值郵票十張(即二百五十套郵票) 、二十個小全張、二十個無齒張、五個已蓋銷首日封、五套圖片卡,以及五個套摺,至存貨售完。
  14. With double travelling cranes, advanced 60mm punching machine, 140mm fungus type punching machine ; domestic leading 159mma r tube rolling - mills, 159mm7 rack calibrator ; the national monopoly product micro tension - reducing diameter machinery and the producer gas generator ; 40, 60, 80, 220mm straightening machine ; 5 40 tons motoblocs ; bottom rolling type continual annealing furnace ; 14m pitch type heating furnace as well as qg1118 highly effective pipe cutter and so on as well as correlated necessary facility

    公司據有雙配行車的大廠房17500平方米,先進的60mm穿機, 140mm菌式穿機國內領先的159mmar軋管機, 159mm7機架定徑機國家專利產品微張力減徑機和煤氣發生爐40 60 80 220mm矯機540噸拉拔機滾底式連續退火爐14m斜坡式加熱爐以及qg1118高效切管機等以及相關配套設施。
  15. A model for analysis of the blasting effect of parallel cut

    含空眼掏槽爆破效果分析模
  16. Based on nanometer powders, cajc cvbased oxides were synthesized by constant sintering, cold isostate pressure and hot pressure methods. it can be found that sintering methods have a great influence on thermoelectric performances : the sample synthesized by hot pressure method is most dense and has the best thermoelectric performances. the microstructures and thermoelectric properties of cascog - based oxides doped by four dopants have been investigated

    採用不同的后續工藝制備最終的熱電材料,研究不同工藝對熱電性能的影響發現:熱壓燒結制備出的熱電材料最緻密,其熱電性能也最好;先冷等靜壓成后常壓燒結方法次之;接常壓燒結法燒出的樣品氣最多,性能也最差。
  17. Abstract : on the basis of the general chromatography rate model, the effects of bi number, number, mass transfer pel number, particle diameter, injection and ratio of solute diameter and pore diameter on the chromatographic peak of taxol and the separation of taxol and cephalmonnine were simulated with computer. the essential factors affect on the chromatographic process of taxol and cephalmonnine were obtained and a more useful theory was provided to direct the chromatography separation of taxol and cephalmonnine

    文摘:根據建立的液相色譜普遍化速率模,模擬了比渥數、數、傳質彼克列數、粒徑、進樣量和溶質分子徑同多粒子徑比對紫杉醇色譜峰峰形和紫杉醇和三尖杉磷堿色譜分離度的影響,獲得了控制紫杉醇和三尖杉磷堿色譜過程的主要影響因素,從而為紫杉醇和三尖杉磷堿的色譜分離提供了更好的理論指導。
  18. Its atomized parcel is so small that no drip is separated out. this kind of centrifugal nozzle has high humidifying efficiency and low energy cost, which could be used in many situations in textile factories such as directly humidifying in workshop and humidifying in air pipeline

    撞針高壓小徑離心式噴嘴的霧化粒子細小、無水滴析出、加濕效率高、耗能少,可接向車間加濕,適用於紡織廠等多種應用場合。
  19. Modelling and test study of the influence of the boring bar diameter on spiral ditch in deep - hole boring

    鏜削中鏜桿徑對螺旋溝影響的模和試驗研究
  20. In the external region, heat transfer between the u - tube borehole and the ground is considered with a model of a finite line - source in a semi - infinite medium, and it is the first time to achieve an analytical solution of the temperature distribution for a such a transient two - dimensional conduction problem by means of the green - function method

    對單個鉆的傳熱劃分為兩個區域分別進行研究。在鉆周圍區域,將豎u管的傳熱簡化為有限長線熱源的傳熱問題,採用格林函數法首次得到了有限長線熱源溫度分佈的解析解。
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