梯段高度 的英文怎麼說
中文拼音 [tīduàngāodù]
梯段高度
英文
stair rise-
The growth dynamics of tree basal area of form. taxus chinensis var. mairei population in different altitude were discussed using the liu - logistic model, and the results showed that the altutide of 790 meters is more suitable to the survive of form. toms chinensis var. mairei population than 990 meters. plot sampling was selected and dynamic analysis was used to study the height structure of taxus chinensis var. mairei population, and the quadrate picture of height structure and the curve of survival rate were drew
運用改進模型對南方紅豆杉種群在不同海拔梯度的種群優勢度增長進行了探討，表明海拔790m處的南方紅豆杉具有較大的環境容納量，但增長速度不快，海拔990m處的南方紅豆杉種群環境容納量不高，但具有較大的增長速度，這可能與群落的發育階段不同有關，兩地海拔均為南方紅豆杉適宜的生長海拔高度，相比而言，海拔790m的珍稀瀕危植物南方紅豆杉種群數量特徵的研究高度更宜於南方紅豆杉種群的生長。Through studying it is shown that in chagan sag, the geothermal gradients in the center are higher than those around the sag margin and major factors influencing the characteristics of temperature field distribution are the property of geotectogenesis and the differences in tectonic portion, lithology and underground water behaviour ; there are three types of mudstone compaction, i. e. normal compaction, undercompacition and overcomepaction ; there are two pressure systems in sandstone reservoirs, i. e. normal pressure and negative pressure systems and the strata ' s being uplifted and denuded is the key factor leading to the formation of the negative pressure system in reservoir ; and the distinctive temperature - pressure field characteristics in the sag are possessed of important petroleum geological significance in hydrocarbon source maturity, hydrocarbon generation, widening on oil and gas exploration domain and selecting exploration targets, etc
研究表明，查干凹陷中心的地溫梯度高於凹陷邊緣，大地構造性質及所處構造部位、巖性與地下水活動的差異是影響凹陷地溫場分佈特徵的主要因素；泥巖壓實存在正常壓實、欠壓實和過壓實三種類型，砂巖儲層段壓力類型可分為正常和負壓兩個系統，地層抬升剝蝕是導致儲層負壓系統形成的主導因素；凹陷獨特的溫壓場特徵對烴源巖成熟、油氣生成、油氣勘探領域的擴大及勘探方向的選擇等具有重要的油氣地質意義。This article puts forward a solution named divide - assemble by deducing the size of bp neural network to overcome entering the local best point, the dividing process is that a big bp neural network is divided into several small bp neural networks, every small bp neural network can study alone, after all small bp neural networks finish their study, we can assemble all these small bp neural networks into the quondam big bp neural networks ; on the basis of divide - assemble solution, this article discusses the preprocessing of input species and how to deduce the size of bp neural network further to make it easy to overcome entering the local best point ; for the study of every small bp neural network, this article adopts a solution named gdr - ga algorithm, which includes two algorithms. gdr ? a algorithm makes the merits of the two algorithms makeup each other to increase searching speed. finally, this article discusses the processing of atm band - width distribution dynamically
本文從bp網的結構出發，以減小bp神經網路的規模為手段來克服陷入局部極小點，提出了bp神經網路的拆分組裝方法，即將一個大的bp網有機地拆分為幾個小的子bp網，每個子網的權值單獨訓練，訓練好以後，再將每個子網的單元和權值有機地組裝成原先的bp網，從理論和實驗上證明了該方法在解決局部極小值這一問題時是有效的；在拆分組裝方法基礎上，本文詳細闡述了輸入樣本的預處理過程，更進一步地減小了bp網路的規模，使子網的學習更加容易了；對于子網的學習，本文採用了最速梯度? ?遺傳混合演算法（即gdr ? ? ga演算法） ，使gdr演算法和ga演算法的優點互為補充，提高了收斂速度；最後本文闡述了用以上方法進行atm帶寬動態分配的過程。Meanwhile, by analyzing the characteristics of hlsip ( including the newly - built and innovated projects ), it tries to explore suitable supervision model for the project and it mainly studies the quality, cost and time control of the project in different stages
同時，在分析高揚程梯級提水灌溉工程（包括新建項目和更新改造項目）建設特點的基礎上，論述了適宜於本項目建設和改造的監理模式，並著重研究了工程建設不同階段的質量、投資、進度控制理念及方法。The main points of hlsip quality control includes : during the design stage, it is necessary to control the scheme comparison and optimum design, esp. the waterwork, electromechanical device and irrigation region planning, to improve the design quality and pay attention to control the long - term benefits of design results ; during construction period, the supervisor should help proprietor choose construction contractor, sign the construction contract, supervise the manufacture of equipment and strictly execute the quality control procedure to subject the construction to controlled mode ; in addition, the contractors must improve their quality self - control, maintain the notion " quality first " and insist the full process, multiway, and multi system control of construction quality
高揚程梯級提水灌溉工程質量控制的重點包括：設計階段控制好方案對比、設計優化，特別是水工建築、機電安裝、灌區規劃等多專業多目標的確定和協調，提高設計質量和深度，注重控制設計成果的長期效益；施工階段協助業主選擇好施工承包商，制定出嚴謹、完備的施工合同，搞好設備監造，嚴格執行質量控製程序，使工程施工時時處于受控狀態；同時要提高承包商的質量自控能力，堅持施工質量的全過程、多方法、多體系控制。Surrounding these special problems met in gas hydrates exploration and through study of high - precision magnetic survey, the sea test by r / v haiyang 1y that is owned by guangzhou marine geological survey in dongsha area of the south china sea, systematical analysis of the test result and combination interpretation of magnetic survey with seismic profile, the authors successfully employ the method to recognize the truth or false of the diapir in seismic profile by integrating total field of high - precision marine magnetic measurement with its gradient change
本文就目前天然氣水合物調查中存在的這些特殊技術問題，通過對海上高精度磁力測量技術方法研究、廣州海洋地質調查局「海洋四號」船在南海北部東沙海域的海上試驗、對試驗結果的系統研究分析以及磁測和地震剖面兩種手段的綜合解釋，成功地嘗試了用高精度海洋磁測成果中的磁力總場和梯度變化特徵來識別水合物勘探中高解析度地震剖面上的泥底辟構造真偽的技術方法。A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied
本論文在激光光束波前畸變檢測和控制上進行了新的探索，主要就空間相位調制環路徑向剪切干涉儀以及它對波前畸變的檢測和液晶空間光調制器及其對中頻段波前畸變的控制進行了研究，其研究的內容和取得的成果如下：一、根據標量衍射理論，結合低頻波前畸變的高斯隨機位相分佈模型，研究了不同均方根梯度低頻畸變波前對激光光束焦斑聚焦性的影響，並採用描述中頻段波前畸變的功率譜密度概念，模擬計算了它對激光焦斑旁瓣的貢獻。The regional deformation anomaly of medium - term phase ( 1 ~ 3 years or more ) before strong earthquake occurrence usually shows three aspects of common characteristics : for regional vertical deformation, it shows distribution features of anomalous uplift area and concentration belt - high gradient belt of vertical differential deformation ( some of them reflect distribution of four quadrants ) related to tectonics ; for horizontal movement, it shows features of centralized high strain area ( or zone ) of domination shear deformation related to active blocks and faults ; it shows common features of regional vertical deformation anomaly area and high strain distribution area of horizontal deformation
摘要強震前中期階段（ 1 ~ 3年或稍長）區域性形變異常往往表現出3個方面的共性特徵：區域垂直運動變形呈現與構造有關的異常隆起區、垂直差異變形高梯度帶（有的還呈「四象限」 ）分佈特徵；水準運動變形呈現與活動地塊及斷裂構造有關的、以剪切變形?主的高應變集中區（帶）特徵；區域性垂直形變異常區與水準形變的高應變分佈區共性的特徵。Engaged system, subject ' s construction and the trans form of wage system in our university. meanwhile, it points out that being unable to satisfy the primary need of income, ignoring the elaboration of academic right, misunderstanding of the appointment of teachers post, the insufficient of training, and the lack of spirit encouragement are the main problems in colleges and universities
對我國高校採取的聘任制、學科梯隊建設、工資制度改革等有效激勵措施進行了總結，同時指出，不能滿足收入需要這一首要需要、忽視學術權力的發揮、教師職務聘任的誤區、培訓力度不夠以及缺乏精神激勵是現階段我國高校激勵存在的主要問題。Under the consideration of the engineering geological condition of dahuashui hydropower station, the pre - splitting blasting technology and reasonable construction method are adopted for the excavation of the dam foundation in accordance with the analysis on the rock strata therein, in which the design of the blasting parameters and powder charging structure as well as the angle control and the height of the excavating steps are particularly determined, and then better splitting effect is got for the slope excavation and the quality requirement of the construction is satisfied as well
摘要結合大花水水電站大壩工程地質條件，通過分析巖層具體情況，採用預裂爆破施工技術，合理施工方法進行壩基開挖，並對爆破參數和裝藥結構的設計，鉆孔的角度控制和梯段高度精心確定，使該邊坡開挖預裂取得良好的效果，保證了壩基開挖的質量要求。Results show that the levitation force is generated between the high temperature superconductor and the magnetic field under the critical temperature. the value of the levitation force is determined by the temperature and the gradient of magnetic field. that is the smaller of the gap, the larger of the levitation force when the temperature is fixed, and the value of the levitation force is an exponential function of the gap
研究表明，當高溫超導體的溫度低於其臨界溫度時，在磁場中開始受到力的作用；受到的懸浮力大小由溫度和磁場梯度共同決定；即溫度一定時，懸浮間距越小，對應的磁場梯度越大，懸浮力就越大，力的大小與懸浮間距成指數關系；而當懸浮間距一定時，溫度越低，對應的懸浮力也越大，且超導體剛進入超導態的一段溫度區間懸浮力增大最快。It is found that the maximum concentrations of the species change with the decrease of height, rising and dropping drastically in the transition region
實驗表明，煙氣毒性成分的濃度峰值隨高度的降低呈現明顯的階梯變化，在過渡區段驟升驟降。In the paper the initial iocation and dimension of step are studied from which we get the conclusion tha the energy dissipation is highcr if the initial location is at the curve section of l / 2 height of the spillway top and the dimension gap of neighbor step is bigger, the energy dissipation is higher
通過對階梯溢流壩的過渡階梯的起始位置和具體尺寸的試驗研究。得出過渡階梯的最佳起始位置約在壩頂曲線段1 2高度處且相鄰階梯的尺寸相差較大時，所得的消能率較高。The mechanism is that the introduced complementary oligonucleotides can bind to the corresponding mrna or double - stranded dna in genome and form partial double - stranded molecules or triple - stranded nucleic acid molecules by sequence - specific and nonsequence - specific antisense action, thus the target gene will be orientationally blocked and expression of the target inhibited so that therapeutic effect could be attained. in this study, we designed a fragment of human c ii ta cdna in antisense orientation using mrna of c ii ta as template. the primers were designed based on 94 - 500 nucleotides segment in 5 " end of ciita gene so that the interested gene contained 407 base pairs which included two aug codons in 1 16 and 188 nucleotides as well as the splicing site between the first and the second exons
本研究設計以c tamrna為模板的反義cdna片段，從c ta基因5 』端第94位到500位核苷酸段設計引物，目的片段407bp ，覆蓋第116和188位兩個aug密碼子，也包含了第一外顯子和第二外顯子間的剪接位點：用常規分子生物學方法構建了反義片段的腺病毒表達載體（ padeasy - 1系統） ；腺病毒載體經hek293細胞包裝產生含反義片段的重組腺病毒，用氯化銫密度梯度離心法獲得純化的高滴度腺病毒；進行體外基因轉移，分別用反義片段真核表達載體轉染p388d1細胞和用重組腺病毒感染hela細胞，觀察導入的c ta基因反義rna抑制細胞內組成型或誘導型c ta基因表達的作用，從而達到調控mhc -類分子表達的目的。The primary conclusions are drawn in this paper on these points : ( 1 ) after the blasting data of delayed time and height are gained based on the theory of gradually disintegration, the elements need to kill are executed similar with destroying the part of the building. then the pre - condition cg solver is pitched on to execute the nonlinear analysis
本文的主要成果如下： （ 1 ）根據逐段解體法爆破拆除設計的原理，計算秒延差時間和爆破高度，在已劃分網格的有限元模型中殺死擬爆除的部分單元，使整體結構處于失穩狀態下，然後利用前置條件共軛梯度法求解器對結構進行材料和幾何非線性求解。The soil co2 dynamics response to rainfall in the soil section was regular migration process : one gradient with up - high and down - low before rainfall - two gradient with up and down high and middle - low from the beginning rain - one gradient with up - high and down - low. the intensity of rainfall will influence the co2 concentration in the soil
濃度動態對降雨的響應表現為一個完整的有規律的動力遷移過程：降雨前上低下高單向梯度一降雨過程中及降雨後一段時間內上高下高中低的雙向梯度一恢復上低下高的單向梯度。強度不大的降雨可能會促進土壤co 。分享友人