典型試樣 的英文怎麼說

中文拼音 [diǎnxíngshìyàng]
典型試樣 英文
representative sample
  • 典 : Ⅰ名詞1 （標準; 法則） standard; law; canon2 （典範性書籍） standard work of scholarship 3 （典故...
  • 試 : 名詞（古代占卜用的器具） astrolabe
  • 樣 : Ⅰ名詞1. （形狀） appearance; shape 2. （樣品） sample; model; pattern Ⅱ量詞（表示事物的種類） kind; type
  • 典型 : 1 （在同類中最具有代表性的人或事） typical case; typical example; model; type; specimen 2 （具有...
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. The structures and characteristics of several graphite samples are measured by means of powder x - ray diffraction ( xrd ), brunauer - emmer - teller ( bet ) surface area measurement, inductively coupled plasma ( icp ) spectroscopy, particle size analysis and electrochemical measurements. the effects of origin, structure, impurity, particle size, specific surface area of carbon materials on the electrochemical characteristics are studied. a synthetic graphite with abundant resources, low cost and favorable performance is determined as the raw material for modification of graphite

    採用xrd 、 bet 、 icp 、激光粒徑分析及電化學性能測試等方法，對國內外多種典型石墨樣品的結構與性能進行比較，研究石墨材料的來源、晶體結構、雜質含量、顆粒大小、比表面積等因素對其充放電性能的影響，確定一種性能較好、價格低廉、來源廣泛的普通人造石墨粉作為熱處理與摻雜改性、以及復合結構炭材料研究的原材料。
  3. This paper analyzes the driving mechanism and motion realization of underwater gliders, presents the simulation result of its typical motion modes, then describes the overall arrangement of an underwater glider test model being designed, and finally discusses the design and selection of the glider ' s buoyancy adjusting mechanism, pitch adjusting mechanism and roll adjusting mechanism in detail

    分析了水下滑翔機器人的驅動機理和運動實現，給出了水下滑翔機器人典型運動的模擬結果，並以正在設計的一水下滑翔機試驗樣機為研究對象，描述了樣機的整體結構布局，詳細研究了浮力調節機構、俯仰調節機構和橫滾調節機構的實現方法，並就樣機中各執行機構的設計實現進行了論述。
  4. By means of laboratory and field experimentation of typical semi - rigid base materials, the relationships among laboratory experimental values, field maintain values, field core values and construction criteria are put forward. and the relationships between different test methods are established. using time - temperature conversion principle, it processes the intensity assessment of field cores, then offers the method of determining the test deflection of pavement surface

    通過典型半剛性基層材料的室內外試驗，研究主要設計參數的室內試驗值、野外養生值、現場取芯值及施工指標間的關系，建立了不同試驗方法間的相關關系，運用時溫換演算法則，對現場芯樣進行強度評定，並提出了路表彎沉檢測標準的確定方法。
  5. The experiment results proved that the dosages of optimal hardening agent soil stabilized by the hardening agent designed by this method were much higher than that stabilized by cement

    試驗證明：對不同的典型土樣，利用該公式計算得到的固化劑各組分的摻入比與試驗得到的結果比較接近，且按本設計方法配製出的固化劑加固效果優於水泥加固的效果。
  6. Soil ph value ranged from 6. 0 to 7. 2, the ph value had no markedly difference among the three horizons in each plot, and so did that among seven types of forest. the organic matter content in horizon a of plot g2 ( coniferous forest ) was the highest ( 193. 03a kg - 1 ) in seven plots and the lowest one was in plot g3

    另外，在3個固定樣地內（ g _ 1 、 g _ 2 、 g _ 3 ） ，通過埋袋試驗，研究了白樺枝條、白樺凋落葉、岷江冷杉凋落葉等3類典型凋落物在3個不同埋藏深度土壤中的分解。
  7. How to distinguish the sliding zone from a loess landslip relied on the technician ' s experience in - site. 4 typical loess landslides located in jingyang county along jinghe river, named dongfeng landslip, shutangwang landslip, xiuchidu landslip and taiping landslip were studied through in - situ measurement and sample tests to identify the sliding zone

    摘要以陜西徑陽縣徑河沿岸4個典型黃土滑坡為研究對象，通過現場勘察和采樣試驗，探尋滑帶土的物理特性和結構特徵差異，以期在實踐中為確定滑動面位置提供可靠依據。
  8. Based on the two fertility indices, organic matter and total nitrogen, 73 typical soil samples collected from calcareous cultivated soils with different yield levels in 10 counties of henan province were divided into three categories in fertility by hierarchical clustering analysis

    本文在河南省十個縣市不同產量水平的石灰性耕作土壤上採集了73個典型樣品，並根據土壤有機質和全氮量這兩個肥力指標，用系統聚類的方法將供試土壤劃分為高、中、低三種肥力類型。
  9. Ae signals released from different lay - ups composite specimens were acquired by a wideband transducer, and fracture surfaces of the specimens were observed by scanning electron microscope ( sem )

    寬帶傳感器記錄了不同角度纖維鋪層的復合材料試樣在拉伸破壞過程中的聲發射信號，用掃描電子顯微鏡（ sem ）觀察了試樣的幾種典型的損傷破壞斷面，對比分析了不同類型的損傷機制。
  10. The typical samples with different lithological characters are collected from two wells of representative reservoir consisting of sandstone and conglomerate of positive rhythm. compressional and shear wave velocities, porosity, and clay content are measured in two states fully saturated with water

    在復雜的正旋迴砂礫巖儲層中，從兩口井系統地採集了不同巖性的典型樣品，在不同的有效壓力及兩種狀態氣飽和和水飽和下測試了巖石的縱橫波速度。
  11. The pure sample with spinel structure can be easily prepared by optimizing the processing parameters. the typical product is limnio4 with the cell constant a = 8. 235 and the powder size belongs to nanometer and sub - micrometer

    表明用改進的檸檬酸配合法可以合成出單相正尖晶石limn _ 2o _ 4 ，其典型的試樣組成為limn _ 2o _ 4 ，晶格常數= 8 . 235 ，粒度大小為納米級。
  12. Erosion damage decreases rock load area, after defining damage variable, the damage stress in rock can be calculated by the method bring forward by lemaitre conveniently. for surrounding rock of a deep buried tunnel under the condition of drained, its seepage character is not only controlled by the high stress in rock, but also influenced by the development of erosion damage. in the whole course of rock " s deformation and failure, its seepage character decreases with the increment of stress in elastic stage, while " increases with the development of failure

    巖樣中全應力?應變三軸滲透試驗過程中的典型表現為隨著應力的增加，巖體內的空隙和裂紋受載閉合，滲透性降低，應力達到一定閾西南交通大學鷹士研究生學位論文第11頁值后，巖體內部裂紋發生擴展和歸並，滲透性增強；同樣，地下水的動、靜壓力作用對裂紋的擴展和歸並也起著促進作用。
  13. This will be dealt with in this paper. the discrimination for noise source from qn700 indicates : the fan noise ( 625hz ), the electromagnetism noise ( 962hz ) and the burning noise are the main noise sources

    對汽車燃油空氣加熱器中具有典型代表結構的qn700型樣機的測試分析表明：風扇噪聲（ 625hz ） 、電機噪聲（ 962hz ）和燃燒噪聲是加熱器的主要噪聲源。
  14. By testing lots of samples from the district of feixi, lujiang and tongcheng, the paper gains some indexes of expansive soils

    對肥西、廬江和桐城三地區所取的典型膨脹土樣做了室內土工試驗。
  15. Two test methods are employed : one is loading the samples before thawing, and the other is loading the samples after completely thawed. the coefficient of thaw settlement as a function of granule, as a function of water, and also as a function of dry density are protracted ; besides, the consolidation coefficient of thawed samples as a function of granule, as a function of water, and as a function of dry density are protracted. we can discover from the test results that the thaw - settlement coefficient and the consolidation coefficient of thawed samples are mainly relevant to the granule, dry density and the water content they have little to do with the geology and geography factor of the frozen soils

    為了研究季節凍土區工業民用建築的基礎淺埋穩定性問題，特開展了有關季節凍土的融化壓縮特性的研究，先後在內蒙古農業大學三個比較典型的建築地點取了將近三百個試樣，在室內進行試驗，採取兩種試驗方法即先融化后壓縮試驗法和同時融化壓縮試驗法，通過對這三個不同地點的兩種不同的試驗方法的試驗結果進行對比分行，分別繪制了融沉系數與凍土的含水（冰）量、干容重以及顆粒級配的關系曲線;融化壓縮系數與凍土的含水（冰）量、干容重以及顆粒級配的關系曲線，由試驗結果發現凍土的融沉系數和融化壓縮系數都與凍土的含水量呈正向相關關系，可近似的用線性方程來表示;兩種實驗方法的總沉降量與凍土的含水量呈正向相關關系，與凍土的干容重呈反向相關關系，也可以近似的用線性方程來表示。
  16. Experimental soil used in this study was from inner mongolia, typical loess sampled from top layer of cultivated soils

    試驗土樣取自於內蒙古清水河地區耕作表層土，是典型的黃綿土，為淡黃色。
  17. In the paper, based on the existing literature research foundation an analog circuit catastrophic fault location approach by using feedforward networks with back ? propagation learning is realized. by this approach, the simulation require ments before test are reduced because fewer training samples are needed, and the fault location process is fast. this method is very efficient in location of single hard fault wit component tolerances. the measureme nt space feature and the general characterization concept of single and double soft fault in linear circuits are presented. according to this concept, a linear circuits soft fault location approach using subhidden layer bpnn is established with element tolerance, and it is shown that this approach is successful in fault location. a double fault feature extraction.,

    本文在現有文獻理論研究的基礎上實現了採用bp演算法前向多層神經網路對直流測試下模擬電路硬故障的診斷方法。其特點是採用少量典型特徵樣本作為bp網路的訓練樣本，獲得訓練樣本的代價小，減少了測前工作量，同時診斷速度快，在考慮元件容差時仍有好的診斷效果。文中介紹了線性電路單一軟故障和雙軟故障所具有的電壓增量空間特性和統一特徵概念。
  18. We studied the effect of laser quenching ( harden by phase transformation ) on some representative mould steels. through measuring the rigidity on the surface of samples treated by laser heat treatment, and through photographing microstructures of the steel surface, we find many reasons attribute to high hardness. these reasons include ultra - fine grains, high density dislocation and more content of carbon in martensite

    我們研究的是激光淬火對幾種典型模具鋼的作用，通過對熱處理后的試樣的硬度分佈的測定，用金相和電鏡觀察金相組織的變化，認為激光熱處理產生高硬度的原因是晶粒細化、高的位錯密度和高的馬氏體含量。
  19. The relative density of the sample has reached as high as 97. 4 % of fully dense. the mean micro hardness has reached hv496. 3. the fractography of the fracture section of the tensile sample was characteristic of dimple typically which indicated that the fracture belong to ductile fracture

    ；試樣相對密度可以達到理論值的97 . 4 ；硬度方面由於激光立體成形工藝的特點，最後幾層的硬度比開始時的高，平均硬度達到了hv496 . 3 ；拉伸試樣的斷口形貌具有典型的韌窩特徵，屬于延性斷裂。
  20. By testing lots of soil samples from the district of bengbu, huaiyuan and suxian, the paper gains some indexes of expansive soil

    對蚌埠、懷遠和宿縣地區所取的典型土樣做了室內土工試驗。
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