齡期因數 的英文怎麼說
中文拼音 [língqīyīnshǔ]
齡期因數
英文
aged factor-
Form. taxus chinensis var. mairei is protecting plant in the first class, which is a precious and endangering plant in china in this paper, the quantitative characterics of form. taxus chinensis vsr. mairei population including age structure, spatial distribution pattern, growth dynamics of tree basal area, niche characterics, fractal dimension and competition between specises were studied using methods of mathematics ecology from the angle of population ecology of form. taxus chinensis var. mairei, then the prent state and the endangering causes were analysed. this research offers gist to protecting and enlarging the crude resourse of form. taxus chinensis vsr. mairei population, afforesting plantation and sustainable utilize for us
本文從南方紅豆杉種群生態學的角度、主要應用數學生態學的方法探討南方紅豆杉種群的數量特徵，包括南方紅豆杉種群年齡結構、種群空間格局（探討分佈格局動態規律與生境相互關系） 、不同立地條件下種群優勢度增長趨勢、生態位寬度、生態位相似比例、生態位重疊、空間占據能力及種間競爭等，分析其目前現狀及瀕危原因，期望為南方紅豆杉野生資源的保護和擴大、營造人工林及可持續利用提供理論基礎，也為瀕危植物種群生態學的研究提供參考。The volcanic rock age and the age of the qiangtang formation determined the wudaoliang group between 20 - 5ma, discovering a flood of spore and pollen with ostracods fossils ( regard eucypris as principle ), which are miocene epoches typical numerator, therefore wudaoliang group accumulate in miocene epoch is doubtless ; 9 - 2ma are the age of the suonahu formation based on the data of the esr, which were characteristic of later period in miocene epoch - pliocene epoch, spore and pollen with fossil all were miocene epoch period
由火山巖和覆于其上的羌塘組的年齡限定五道梁群的沉積時間為20 - 5ma ，五道梁群中發現大量的孢粉和介形蟲化石（以eucypris為主） ，分析認為它們都是中新世時期的典型分子，因此五道梁群的沉積時間為中新世是無疑的；嗩吶湖組的esr測年數據范圍為9 - 2ma ，代表中新世晚期?上新世時期，孢粉和化石都具有中新世時期的特徵。Conclusion patients with saggy deformities are quite different in their cause, age, occupation and expectation for the operation, most of them could obtain satisfactory results so long as the general condition of patients is evaluated, suitable techniques are used and careful procedures are performed
結論瞼袋形成的原因各異，患者的年齡、職業以及對手術的期望值差別較大，術前對患者的情況有一個正確的認識，選擇合適的術式，術中注意處理每一個環節，絕大多數患者都能取得滿意的效果。Based on theoretical analysis and computational model, a three - dimension numerical simulation software 3c3d ( concrete cracking control 3d ) was finished in which finite element and finite difference method were both hired. compared with the known data, good agreement proved it reliable and practicable. finally, by means of the software, with variant of environmental temperature and relative humidity and different curing conditions, the variety regulation of temperature and humidity and the stress due to them within concrete were analyzed
然後針對收縮開裂的本質因素即混凝土內部的溫度梯度和濕度梯度，進一步從理論上分析了高強高性能混凝土早期溫濕度場隨齡期發展的分佈情況，分析溫濕度變化與收縮變形的關系，建立了相應的計算模型，並且採用有限元和有限差分方法編制三維模擬系統軟體3c3d （ concretecrackingcontrol3d ） ，通過與已知數據的對比分析，驗證了該模型的可靠性和實用性。Correspondingly, the median age of the population rose from 35 to 37 over the same period
因此，年齡中位數在同期間由35歲上升至37歲。As long - term outcome studies of acute renal failure ( arf ) are scarce and non - homogeneous, we studied 187 consecutive acute tubular necrosis ( atn ) patients without previous nephropathies, discharged alive from our hospital between october 77 and december 92 and followed - up until december 99 ( range 7 ? 22 years ; median 7. 2 )
因為關于急性腎衰（ arf ）長期預后的研究很少而且結論不一，我們觀察了本院從十月份（ 77例）到十二月份（ 92例）存活出院並一直隨訪到次年十二月份（ 99例）共187例沒有既往腎臟病史的急性腎小管壞死患者（年齡范圍7 ? 22歲，中位數7 . 2年） 。Based on the theoretical model, influence of slenderness ratio, the changing frp ratio, strength of the frp composites and the concrete as well as load eccentricity ratio on the bearing capacity of the members after sustained load is discussed. finally, simplified calculating method of the reduction factor for the bearing capacity of circular frp - confined concrete beam - columns with long - term effects considered is suggested. the achievements in this paper may be referred for practical engineering
在系統分析長細比、截面含frp率、 frp抗拉強度、混凝土強度、加荷齡期和荷載偏心率等因素對長期荷載作用下frp約束混凝土構件承載力的影響規律的基礎上，給出考慮長期荷載作用影響時frp約束混凝土構件承載力折減系數的簡化計算公式，可為工程實踐提供參考。First1y, in this paper, the testes about tensi1e resistance of masonry components in different period are processed and re1ated suppositions and formu1as are brought forward : the formu1a about maxima1 shear stress of top side in high or tier masonry bui1dings is deduced. it can be found easi1y that the factors affect ing the maxima1 shear stress are vertica1 resi stance coefficient 1oad magnitude wa11 geometry dimensions and its modu1us of e1asticity
首先，進行了不同齡期下的砌體試件抗壓力學性能試驗，提出了相關的假定和公式，推導出了縱橫墻荷載差影響下的多、高層砌體結構房屋頂層的最大剪應力公式，從中可以看出影響最大剪應力的因素有豎向阻力系數、荷載大小、墻體的幾何尺寸和墻體的彈性模量等。Based on the literature review this study classifies the variables in four dimensions : borrower characteristics dimension, loan characteristics dimension, property characteristics dimension and regional characteristics dimension. 19 variables such as borrower ’ s age, loan - to - value etc enter these four dimensions. using the statistics software spss10. 0, this study conducts descriptive statistics, factor analysis, discriminant analysis and logistic regression
結合國內外研究經驗以及樣本數據，本文從借款人特徵、貸款特徵、房產特徵、區域特徵四個維度，選取了性別、年齡、貸款金額、貸款價值比、住房總價值、房價指數等19個變量，利用spss10 . 0統計軟體中的描述性統計、因子分析、判別分析、邏輯斯蒂回歸分析對個人住房抵押貸款違約風險的影響因素進行了實證分析，並在分析中區分了實質性違約和逾期。Of the number of the above - mentioned traffic accidents in each of the past three years, broken down by district, bus company, passenger casualty, pedestrian casualty, age of the bus and experience of the driver ; and, among them, the number of accidents involving five or more casualties each year, and the details of each accident, including the date, location, information mentioned in the above breakdown ( except district ) and cause of the accident
（甲）過去三年，每年上述交通意外數目，請按區域、巴士公司、乘客傷亡人數、途人傷亡人數、巴士車齡、車長年資提供分項數目；請就其中造成最少五名傷亡的意外，提供每年的意外數目，以及每宗意外的詳情，包括日期、地點、上述分項數目提及的資料（區域除外）和意外成因；The tests show that the strength is mainly affected by the slurry density, type and dosage of fly ash and curing age
試驗結果表明，影響膏體充填材料強度的主要因素有質量分數、粉煤灰摻量種類以及養護齡期等。分享友人