斷面積 的英文怎麼說

中文拼音 [duànmiàn]
斷面積 英文
basal area
  • : Ⅰ動詞1 (分成段) break; snap 2 (斷絕;隔斷) break off; cut off; stop 3 (戒除) give up; abstai...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • 面積 : [數學] area
  1. The method of modified simplex was applied to optimize the models, and the fitting results show that liu - logistic model was more suitable than logistic model to the actual growth trend of form. taxus chinensis var. mairei population, and the highest growth rate of basal area was the tenth age class, namely the phase when breast diameter was 68 ~ 76 cm

    以胸高斷面積代替種群生物量,分別採用logistic常規模型及劉金福提出的logistic改進模型對南方紅豆杉種群的增長動態進行研究,運用改進單純形法對模型進行優化,擬合結果表明改進模型比logistic常規模型更符合南方紅豆杉種群的增長趨勢,南方紅豆杉種群的最大增長速度出現在第10齡級,即胸徑為68 76cm時期。
  2. The large bowlder surface of dinner table must be uplifted vertically in avoidance of breakage. the small one shall also be held vertically instead of horizontally

    的餐臺玉石,必須豎抬,避免餐臺裂。小的玉石也應豎拿,切忌平橫抬橫拿。
  3. Sorting capacity at subic bay was doubled through facility expansion and enhanced automation for even faster document sorting. later that year, fedex strengthened service offering between asia pacific and europe with upgrade of md - 11 aircraft, doubling cargo capacity and expanding volume by 50 tons per day

    全新的設施達十四萬平方尺,貨件分類設施的提升至兩倍,並且增設了更先進的自動化系統,能縮短文件分類的時間,充分顯示聯邦快遞不努力拓展亞洲網路。
  4. Assessment of receiver operating characteristic curve on diagnostic value of nail creatinine in acute and chronic renal failure

    曲線下對急慢性腎衰竭的鑒別診
  5. The products are suitable for the innovation of urban electrical network where its streets are narrow. it can effectively reduce the necessary height of the pole / tower, due to high bent resistant capacity, there will completely avoid the case that porcelain crossarm happen to crack. more, it can be well pollution resistant

    本產品適用於城網技術改造,能有效地利用城市狹窄的走廊升壓送電,可降底矸塔高度,由於其彎曲強度高,可防止瓷橫擔容易出現的裂事故,而且耐污性能好。
  6. What is structural area points to form a building to bearing system, the area that the component part place such as mound of the wall of each component, column, wall and partition occupies disjunctive plane

    什麼是結構指構成房屋承重系統,分隔平各組成部分的墻、柱、墻墩以及隔等構件所佔的
  7. Structural area of the residence is to point to form a building to bearing coefficient, the area that the component part place such as mound of the wall of each component, column, wall and partition occupies disjunctive plane

    住宅的結構是指構成房屋承重系數,分隔平各組成部分的墻、柱、墻墩以及隔等構件所佔的
  8. The constructional technology in tunnel of great section wind drift sand

    公路大砂隧道施工技術
  9. Section two the evaluation of biocompatibility of the acellular dermal matrix by the method of cell culture. the new born rat ' s epdermic cells were cultured with the acellular dermal matrix together as experiment group, while the epdermic cell were cultured simply as control. 24 hours later, under the invert microscope, the epidermic cells anchored well and transparent flat cells were observed in both groups. 7 days later, both cultured cells were taked out and fixed in 95 % ethanol, stained with hematoxylin and were observed under light microscope. many cleaved cells were observed in both groups. during cell culture, no pathogenic microganism was observed. so we considered the acellular dermal matrix was aseptic and had good biocompatibility. section three subdermal implantation of the acellular dermal matrix. 24 rats were used in the experiments. a piece of acellular dermal matrix ( 1. 5 x 1. 5cm2 ) was implanted beneath the dorsum skin flaps of each rat, 1 week, 2 weeks, 3 weeks and 4 weeks after implantation, 6 pieces of acellular dermal matrix were harvested and the size of implanted acellular dermal matrix were measured, the sections were used for he staining and observed under light microscope. the result were as folio wing : 1 - 2 weeks after implantation, the acellular dermal matrix began to adhere to the tissue around and turned red gradually ; 3 - 4weeks after implantation, the acellular dermal matrix adhered closely to the tissue around and could be recognized easily, 1 - 3 weeks after implantation, the size of implanted acellular dermal matrix had no statistical difference ( p > 0. 05 ). 4 weeks after implantation implanted acellular dermal matrix contracted ( p < 0. 05 ). under light microscope, l - 2weeks after implantation, the fibroblast cells infiltrated the acellular dermal matrix and a small amount endothelial cells of vessel and lympho - histiocytic cells infiltrated the acellular dermal matrix. 3 - 4 weeks after implantation, infiltrating blood vessels were evident. so we think that the acellular dermal matrix had low immunological reactions and could induce the infiltration of fibroblast macrophage cell and the endothelial cells of vessel

    結果如下:皮下包埋卜周者,無細胞真皮基質漸與周圍組織粘附,顏色由蒼白轉紅;皮下包埋3周者,無細胞真皮基質與周圍組織緊密枯附,盾晰葉辯;術后卜周,包埋的基質變化較包埋前無統計學差異o川0引,術后4周包埋的無細胞真皮基質較包埋前縮小j刃刀5 ) 。光鏡下術后卜周,宿主的淋巳組織細胞、成纖維細胞浸入生長,釉附在膠原纖維上,少量血管內皮細胞浸入基質;術后34周,無細胞真皮基質內較多的血管形成,故可認為無細胞真皮基質免疫原性低,能誘導宿主的成纖維細胞、巨噬細胞浸入生長,為一種新型的真皮替代物。第四部分無細胞真皮基質與自體層皮片復合移棺的研究, sd大鼠10隻,在其背部卜方造成全厚皮膚缺損的創
  10. Shandong tengzhou huacheng metal co., ltd. enjoyed free mport anf export right awaeded by the state evonomic and trade co mmissiom, with 20years histoy of specolozed in metalwork. our favtory lovated in beauty spot of honghe everglade near weoshan lake in the south - eest of shandong rovince. we regisstered fund is 22 800 000rmb, and thr acreagr id 30000 squares, anthe workshop is 12000 squares, with 358 workerd ( not include the 16 filiale ) but 21 of them are advanced engineers, advances technology, completely testing equipment, good quantity of produces, and advance technology about surface producing, under the spirit of together effort with our clients, our company would make a new view on the surface making in many fields, such as : airplane, vessel, armory, car, container and so on

    山東省滕州市華成金屬製品有限公司是一家具有中華人民共和國自營進出口資格的企業,已有20多年專業生產金屬磨料的歷史,公司位於中國魯西南地區的微山湖紅荷濕地風景區,公司注冊資本2280萬元人民幣,工廠30000平方米,車間12000平方米,員工358名(不包括下屬16個分廠)其中高級工程技術人員21名,技術力量雄厚,質量檢測手段完善,產品質量穩定,具有先進的表處理技術.公司本著與客戶共同努力的觀點,在材料和技術應用上不創新,不提高,把飛機,造船,兵工,車輛,集裝箱等行業的表處理,強化,推向一個嶄新的局
  11. In china, its planting area is over 340, 000 hectare every year, which is the second place in foliaceous vegetable planted. with the increase of the planting area, planting in winter naturally was paid much more attention to. temperature becomes the restrictive factor of quality and quantity because it is often exposed to low temperature during the winter

    甘藍是一種世界性的重要蔬菜,在我國甘藍年種植達34萬公頃以上,居葉菜類的第二位,近年來栽培擴大,露地越冬栽培也越來越受到重視,由於冬季經常遭受低溫甚至零下低溫的影響,溫度就成了影響甘藍露地越冬產量和品質的制約因素,但是關于低溫對甘藍影響的研究卻很少。
  12. Every fragmental evergreen broadleaved forest is divided three sublayer, however, their structure of layers are not dear, some fragmentations with less areas, are not integral, such as yuanxiao peak. there are less plants in the first sublayer

    各片森林總的來說也分三個亞層,但層次結構不明顯;有些較小的片,層次結構不完整,如猿哮峰,第一亞層的植物較少。
  13. Lying in the east of heilongjiang province, yishu graben is a cenozoic fault basin comprising two large second - class structural units, i. e., tangyuan and fangzheng fault basins

    摘要依舒地塹位於黑龍江省東部,為新生代陷盆地,湯原陷和方正陷為其兩個較大的二級構造單元。
  14. For hoods with shutters in four sides, the results show : 1 ) the hoods positively placed boards are called hoods used for venting airflow ; hoods negatively placed boards are called hoods used for leading airflow ; 2 ) among the hoods used for venting airflow, the most effective hoods should have positive declining angle value of 30, the ratio 4 of areas between the four windward faces and the gular section ( fy / fj = 4 ), the value of b range from 70 mm to 120 mm and the value of b / h range from 0. 5 to 0. 6 ; 3 ) the most effective hoods should have negative declining angle value of 60, the ratio 4 of areas between the four windward faces and the gular section ( fy / fj = 4 ), the value of b range from 100 mm to 170 mm ( the optimum value is 120 mm ) and the value of b / h range from 1. 4 to 2. 2 ( the optimum value is 2. 0 )

    對於四設百葉型風帽,計算表明: l )正裝傾斜擋板的百葉型風帽可認為是排風型風帽,倒裝擋板傾斜的百葉型風帽可認為是進風型風帽; 2 )排風型風帽中,擋板正裝30 」 、風帽四個迎風的有效fy和風管凈斷面積fj的比值( fy腸)為4 、擋板寬度b在70inln到120inln之間、板間距比值隴在0 . 5到0 . 6的百葉型風帽排風效果最好; 3 )進風型風帽中,擋板倒裝裝60 「 、風帽四個迎風的有效和風管凈斷面積的比值( fy例)為4 、擋板寬度b在100咖到170mm之間( 120mm為最佳) 、板間距比值隴在1 . 4到2 . 0的進風型風帽( b爪= 2 . 0為最佳)的百葉型風帽進效果最好。
  15. The hiatus in sedimentation is filled in progressively from below.

    是從下邊逐漸填滿的。
  16. The soil salification is a serious problem for agriculture and environment. especially now with the development of industry, the situation of soil salification becomes more and more serious, and the quality of water is continuous worsened. research on the mechanism of salt tolerance especially in the important crops, such as wheat, is becoming more urgent than ever before

    土壤鹽漬化是影響農業生產和生態環境的嚴重問題,隨著工業污染加劇,灌溉用水的質量不下降和化肥使用不當等原因,次生鹽堿化土壤有不加劇的趨勢,給農業生產造成重大損失;黃矮病毒病是小麥等禾本科植物的重要病害之一,其傳毒介體蚜蟲更使植物產量損失巨大。
  17. The impacts of both the velocity head and momentum distribution in the t - junction of a tailrace surge tank on the critical stable sectional area of the tank were analyzed by using gardel ' s empirical equations for t - junction flow. based on thoma ' s theory, a formula of the critical stable sectional area is derived. 5

    基於gardel關於三通管水頭損失的經驗公式,研究分析了連接管處的速度水頭以及進出調壓室水體與尾水隧洞水體之間的動量交換,對有連接管的尾水調壓室穩定斷面積的影響,並在托馬( thoma )假定基礎上,推導出相應的調壓室穩定的計算公式; 5
  18. According to the the regression analysis on the bloting and shotcreting roadways of henan pingmei group, the regression equation on the degree that absolute grade and area of roadway influence coefficient of frictional resistance is built in the paper. the notable character test of the regression equation is completed. at last, the degree that absolute grade and area of roadway influence coefficient of frictional resistance is discussed and summed up. the practical and guiding sense in choosing coefficient of frictional resistance of congeneric roadways is given in the paper

    通過對平煤集團大量的錨噴巷道的回歸分析,建立了巷道壁絕對粗糙度和巷道斷面積對摩擦阻力系數影響程度的回歸方程,並對回歸方程作了顯著性檢驗,最後對巷道粗糙程度和斷面積對錨噴巷道摩擦阻力系數的影響程度進行了討論和總結,對同類巷道摩擦阻力系數的選取具有實踐指導意義。
  19. With prestressed rolling mill of the middle steelworks of taiyuan iron and steel limited group company as the researched object, this article analyze the existent questions and research the initial stress of prestressed rolling mill and computer control system, analyze the design thought of prestressed rolling mill and clarify the relationship between the dimensional precision of rolled material and the rigidity of base of rolling mill and the main method to increase the rigidity of base of rolling mill, analyze how to confirm the rigidity, sectional area of handle and post, and pretightening force, put forward the viewpoint that the key to assure great rigidity is to assure that the remnant initial stress is always positive during rolling, and develop intelligent control system with plc as the core on the basis of the former research to assure that the remnant initial stress is always positive during rolling

    本文以太鋼集團公司中型型鋼廠預應力軋機為對象,分析了該廠預應力軋機所存在的問題,對預應力軋機的預應力以及微機控制進行了系統研究;分析了預應力軋機的設計思路,闡明了軋材尺寸精度與軋機機座剛度的關系及提高軋機機座剛度的主要途徑;分析了預應力軋機設計過程中預應力軋機的剛度、預緊拉桿和機架立柱斷面積及預緊力的確定;提出了預應力軋機保證高剛度的關鍵就是「確保軋制過程中,殘余預應力始終大於零」的觀點;在前述研究的基礎上開發了以可編程邏輯控制器為核心的智能監控系統,以確保「軋制過程中,殘余預應力始終大於零」這個要求。
  20. Capture cross section

    捕獲斷面積
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