時效變化 的英文怎麼說
中文拼音 [shíxiàobiànhuà]
時效變化
英文
secular variation-
The relational expression of the speed difference of drum and spiral propeller ( 0 ) and the difference of drum speed and input speed of the differential gear ( 1 ) is derived
由於鉆井液的比重和粘度是隨井下情況變化的不確定值，且現場對鉆井液的處理量時有變化，需隨時調節0或1以調節離心機的處理能力和效果。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。The electric field strengthens the laminate boundary of 2090 alloy. the laminate strengthening mechanism translates into boundary strengthening and grain inner toughening with more ductility fracture and less intergranular fracture. the ductility property is enhanced with no change of intensity
對鋁理合金sem實驗發現，電場固溶和時效強化了晶界，和晶內塑性的改善，斷裂特徵出現由分層沿晶斷裂向塑性斷裂轉變，斷麵塑性變形特徵增加。Recently, many adhesion molecules have been used in practice of forensic pathology, intercellular adhesion molecule - 1 ( icam - 1 ) and p - selectin are considered to be closely involve in wound healing. the authors immunohistochemically examined the time - dependent expression of icam - 1 and p - selectin
本研究應用免疫組織化學方法，觀察大鼠皮膚切創后不同時間細胞間粘附分子（ icam - 1 ）及p選擇素的表達變化，以期確定這兩種物質表達與損傷時間變化的規律，為皮膚損傷時間判定提供有效的免疫組織化學指標。Circulation for transferring record then, based on the above limitations, this paper proposes a dynamic load balancing method. through the simulation of the change over time of the traffic of customer data, it draws a comparison in the deviation of the change over time of the traffic in a certain sdm ( service data module ) with respect to that of the average traffic of all modules between old method and new method. the load imbalance ratio, the number of records transferred per unit time and the reduction of number of modules are evaluated
本論文針對上述兩個問題，提出一種改進的負載平衡方法，通過對用戶數據流量隨時間變化的模擬，比較了記錄遷移方法改進前後每一模塊的流量變化與所有模塊平均流量變化的趨近程度，同時還對幾個重要參數：模塊數量縮減率、負載不平衡比和單位時間內記錄遷移數量，它們之間的關系進行討論，得出改進后的記錄遷移方法能夠達到動態平衡負載的效果。Then, harmonic analysis is done with the newest baytap - g tidal data analyzing software developed by ishiguro and professor tamura, who are working in japan and the eterna34 tidal data analyzing software developed by wenzel, who had worked in german. as a result, the recently observed tidal gravity parameters of jiufeng station are obtained. finally, the ocean loading correction of the observing tidal gravimetric parameters, the temporal synthesized tide, correction of the station air pressure and the polar motion on the gravity residual, the analysis of the final residual, and so on, are investigated
Vauterin研製的tsoft潮汐數據預處理軟體，實施了觀測數據的預處理，為超導重力儀觀測數據的國際資料交換和數據分析準備了修正後數據；然後利用由日本ishiguro與tamura研製的最新的baytap - g和由德國的wenzel研製的eterna34潮汐分析軟體，對預處理后的重力潮汐觀測數據進行調和分析，獲得了九峰臺最近的觀測重力潮汐參數；最後討論了觀測潮汐參數的海潮改正、隨時間變化的重力合成潮的構制、大氣效應改正、極移重力改正以及最終重力殘差的分析。At the same time, the author briefly analyses the distribution of original provinces, tourism motives and tourism purposes about these domestic tourists. in chapter five, taking xidi village and hongcun village for examples, based on lots of statistical data, the author summarizes the temporal characteristics of tourist flows to ancient villages and makes a comparison with others. he also discusses the reasons affecting it, such as events, social factors, natural environmental factors, radiating effect of mt
第五章以西遞、宏村為例，在大量旅遊客流統計數據的基礎上總結出古村落旅遊客流時間分佈特徵；從事件、社會因素、自然環境因素、黃山的輻射效應、管理體制及經營管理水平等方面對西遞、宏村客流時間變化的影響因素展開深入探討；文章進一步討論了不斷攀升的客流所帶來的影響，並提出了相關建議與對策。In the situation that criss - cross electric wire netting, huge quantity of the electric equipment and electric wire netting information, urban road and building change constantly and so on, it is found that there exists close relations between various kinds of electric wire netting information and space geographical environment in practice. besides, the traditional electric figure system is hard to satisfy construction and operation of electric wire netting both safely and economically. so we utilize gis technical to manage and deal with the information, which could make dispatcher ' s department watch changes of information ocularly in real time
面對縱橫交錯的電網，數量龐大的電力設備，時刻變化的電網信息、不斷變遷的城市道路和建築等，從實際情況看，電網的各種信息與空間地理環境有密切的關系，而傳統的電力圖形系統已經很難滿足電網的建設和安全經濟運行的要求，因此只能依賴于gis技術管理和處理這些信息，才能使調度部門實時、直觀地了解信息的變化，做到有效、科學地管理電網。Its marginal efficiency in economy and environment is significant, since it makes full use of temporal and spatial variabilities of crops, soils, insect pest and disease to farming practices and field management
由於精確農業充分地利用了作物、土壤和病蟲害的空間和時間變化量來進行耕作和田間管理，因而，取得的經濟和環境邊際效益非常顯著。Considering the characteristics of internal force and structures of simply supported pc bridges, a novel automatically step - up method ( asum ), taking into account the influence of steel arrangement, steel ratio, stress losses of tendons and time - dependent concrete modulus, to analyze creep and shrinkage effects is presented. this method accepts all kinds of expressions of creep and shrinkage, and it is easy to calculate total stress, strain of concrete and steel and deflection of bridge at any time, the expected prediction accuracy will be obtained by further dividing the time - step within duration
首先，針對預應力混凝土簡支梁橋的受力特徵和構造特點，提出了徐變效應分析的全量形式自動遞進法，可考慮截面上鋼筋位置、配筋率、預應力鋼筋鬆弛、混凝土彈性模量隨時間變化等影響，且計算式可適用於任何形式的收縮、徐變特性表達式；建立的公式可方便地求解任意時刻混凝土、鋼筋的應力與應變和跨中梁體的豎向變形，計算精度可方便地通過計算時段的細分來控制，直至給出滿意的結果。This presentation will describe a procedure to model probabilistically the deteriorating effect on the failure probability with time
本講座將介紹一種能夠概率模擬破壞概率隨時間變化的這類衰退效應的方法。Macroporous adsorptive resin column and polyamide column were used respectively to purify arabinogalactan ( ag ) from larix gmeini rupr. the contents of impurity in ag and sugar varying with time were analyzed
摘要分別採用大孔吸附樹脂柱層析和聚酰胺柱層析技術純化興安落葉松中的阿拉伯半乳聚糖，研究了兩種層析柱洗脫過程中的雜質含量、糖含量隨時間變化的情況，對比分析了它們對阿拉伯半乳聚糖的純化效果。With the background of studying copper alloy bar for asynchronism traction electromotor, a kind of copper bar and its preparation techniques are developed, and its hardness, tensile properties, electrical properties and microstructure are studied. furthermore, the rule of structure and properties changing with heat - treatment is especially illustrated. the results show : the first, there is obvious aging strengthening effect in cu - 10zn - 0. 8 ( cr, zr ) alloy
論文以城市輕軌列車異步牽引電機用銅合金導條為研究背景，研究開發了cu - 10zn - 0 . 8 （ cr ， zr ）合命導條的制備工藝，測試了導條的硬度、拉伸力學性能和導電性能，觀察了導條的金相組織和電鏡顯微組織，重點研究了時效處理對導條組織、力學性能和導電性能的影響，得出了導條組織、性能隨時效溫度和時效時間變化的規律。Because the method uses the linear measurable function of bearings varying with time, so it is more effective than the normal method which based on bearings of the target directly, and at the same time it can overcome the limits when use the normal method in special situation
由於該方法將目標方位隨時間變化的非線性關系轉換到另一空間的線性關系，這使得檢測更加有效、直觀，並且能夠克服直接採用方位序列檢測目標轉向機動在特殊情況下失效的限制。The modeling and simulation describing the dynamic performance of the cylinder are established and the sectional acres of the actuating pneumatic organ are discussed ; after resolving the simulation model by matlab, the cylinder dynamic performance parameter based on time is obtained ; in the end, the influence of inertial load, stroke and valid area on the dynamic performance of the cylinder are discussed
然後針對主要部件? ? ?氣壓作動筒的工作過程，建立了描述作動筒彈射和回收過程的物理模型和數學模型，對其中的氣動元件有效截面積ae展開了討論。利用matlab求解模擬模型，根據程序設計結構編制模擬程序，得到氣缸動特性參數隨時間變化的可視化模擬結果。Retrieving soil moisture information with radar measurements could be is achievable by using the multi - frequency and / or multi - polarization measurements to separate the vegetation and surface roughness effects
， 2000 ） 。在乾旱半乾旱地區，監測地表土壤水分的時空變化特性對理解土壤?植被相互作用過程，提高土壤和植被的有效利用率尤為必要。It is widely adopted in a lot of applications, such as multimedia conference, intelligent robot, speech enhancement, etc. adaptive eigenvalue deposition algorithm aeda is one of the effective methods for its robustness performance of noise and reverberation. however, aeda is suffered from its slowness in tracking variation of time delay of arrival tdoa as well as its sensitivity to initial value
針對傳統的自適應特徵值分解時延估計演算法收斂時間慢對初值敏感以及不能有效跟蹤時延變化等問題，提出了一種改進的自適應特徵值分解時延估計演算法，該方法通過改進初值設定方法，有效改善了對時延變化的估計。The study has systematically investigated the characters of spatial and temporal variation of temperature and precipitation in qinghai since 1961, and the results show that the trend rate of annually average of temperature in qinghai is significantly higher than that of the other places in the whole china, with qinghai acting as a sensitive area of china climate warming, and that precipitation efficiency is also clearly improved
以配合西部大開發進行基礎性、戰略性和前瞻性研究，為青海省生態環境與社會經濟的協調發展，水土資源的可持續利用提供科學依據。本研究系統分析了1961年以來青海省氣溫、降水等氣候特徵因子的時空變化特徵，表現在青海高原年平均氣溫變化傾向率要明顯高於全國，是中國氣候變暖的敏感區，降水的有效性發生了明顯變化。The simulation on computer shows that the proposed algorithm is more effective than the searching minimum method of the noisy speech spectrum in variable noise - level environments
實驗結果表明，該演算法對電平隨時間變化的噪聲取得了較好的增強效果。Experiments demonstrate that this approach is efficient in extracting evolution patterns from temporal - spatial snapshots
通過實驗數據證明，此法能夠有效地從時空快照數據中有效提取時空變化模式。分享友人