生存曲線 的英文怎麼說

中文拼音 [shēngcúnxiàn]
生存曲線 英文
survival curve
  • : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
  • : 動詞1 (存在; 生存) exist; live; survive 2 (儲存; 保存) store; keep 3 (蓄積; 聚集) accumulat...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 生存 : subsist; exist; live; survival; vita
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. Based on the analyses on mechanical properties, microstructure and fracture of - the microalloyed steels socrv with various heat treatment technique, it can be affirmed that various fractures arttribute to various mechanism, we can draw conclusion that the strength and toughness of microalloyed steels 50crv will be increase simultaneously by optimal heat treatment technique. to illustrate the mechanism of the strength and toughness of microalloyed steels socrv, we designed the comparative experiment and observed the microstructure of the sample which occurred at different quench and tempering temperature and different tempering time. the last experiment results were determined by the four factors : fined microalloyed elements grains, the decompound of martensite, martensite transformation of remnant austenite and the second phase precipitation

    為解釋微合金化50crv鋼強韌化機理,本文通過對不同淬火溫度,回火溫度,回火時間下的力學性能指標的對比及顯微分析,認為微合金元素的細化晶粒,馬氏體的回火分解,殘余奧氏體的轉變,第二相的沉澱析出共同決定了微合金鋼的強韌化情況,特別是由於微合金元素的在,其細化晶粒及其碳氮化物的沉澱析出,導致鋼的良好的強韌性,並且如果工藝滿足第二相的沉澱析出強化大於回火馬氏體分解引起的軟化效應,會在硬度中產明顯的二次硬化現象。
  2. Eng. ) preparation of media, culture of bacteria, isolation and purification of bacteria, preservation of bacterial strain, gram stain and observation of bacterial strain, biochemical test, growth curve, preparation and analysis of bacterial dna

    中)培養基的制備,菌株的培養,菌株的分離及純化,劃分離法,及連續稀釋法,菌株的保,菌株的格蘭氏染色法,菌株化反應的測試,菌株的測定,菌株的染色體dna之制備及分析。
  3. In this paper, thermal evolution history of organic matter of the source rocks and hydrocarbon generation history have been researched by tti method, hydrocarbon migration direction and migration times were probed combining with the area structure development feature ; distribution pattern of the main reservoir intervals on lateral and longitudinal have been predicted by researching on development feature and control factors of the reservoir intervals, the actions of reservoir conditions in hydrocarbon accumulation and bearing also were probed combining with pore evolution feature ; the micro - pore feature of regional cap and direct seal in carboniferous - lower triassic in this area have been determined with micro - capillary pressure curve and intrusive mercury curve ; the prospecting districts have been pointed out combining with the hydro - geologic feature, the potential reservoirs were classified according to trap types in this area, the author attempt to evaluate on the hydrocarbon - bearing condition in the str ata of carboniferous ~ lower triassic from hydrocarbon generation and migration reservoir condition, reserved condition etc, and predict the reservoir types and hydrocarbon - bearing patterns combining with the structure evolution. based on above, the author point out that the central block of chenghu - tuditang synclinorium and the southern block of dangyang synclinorium are the advantageous regions for exploration

    本文用tti方法研究了烴源巖有機質的熱演化史和油氣成史,並結合區內構造發育特徵,探討油氣在區域上的運移方向和在時間上的運移期次;通過對儲集層段的發育特徵和控制因素的研究,預測了本區主要的儲集層段在橫向上和縱向上的分佈規律,並結合孔隙演化特徵,探討儲集條件在油氣聚集成藏中的作用;利用微毛細管壓力法和壓汞法,對石炭系?下三疊統的區域蓋層和直接蓋層的微孔隙特徵進行了定量評價,並結合水文地質分佈特徵,指出有利於油氣保的地區;根據區內在的各種圈閉類型,對可能在的油氣藏進行了分類,並試圖從油氣的成與運移、儲集條件、保條件等方面,動態地綜合評價石炭系?下三疊統油氣成藏條件,並結合構造演化特徵,預測其油氣藏類型和成藏模式。
  4. Firstly, in order to deal with the problem that the accuracy of the demarcating concentration calibrate algorithm can ’ t satisfy the requirement, this thesis proposes a new demarcating concentration calibrate based on fitting a curve. the new algorithm uses least square method to keep the accuracy. the measuring results show that the accuracy of the algorithm is higher and it can satisfies the requirement of application

    首先,本文針對化分析系統中現的濃度標定演算法不精確,難以滿足實際需要的問題,提出了一種基於擬合的濃度標定演算法,演算法基於最小二乘原理進行擬合以保持測量精度,實際樣本測量表明該演算法具有較好的測量精度,能滿足應用要求。
  5. Analyzing the software and its output, although some lines such as area lines of traverse sections are not so satisfying, we can conclude that longitudinal function method is a good one to generate the main body

    分析軟體及其成結果,發現雖然在諸如橫剖面面積無法令人完全滿意等問題,但我們可以肯定以縱向函數法成主船體是可行的。
  6. With the very low water to cement ratio, rpc has ultra - high strength high ductility and low permeability. in this paper, the compressive strength of rpc can reach to a high point with the number approximately 135mpa. as illustrated from the study results, we can approve some fundamental conclusions : there are big effects on rpc with deferent kinds and properties of raw materials and deferent curing conditions ; stress - strain curve shows the process of destroy with rpc samples ; x - ray diffraction analysis indicates that heat treatment at temperatures 90 accelerate the hydration of rpc sharply, therefore, mechanical and microstructural properties of rpc are highly dependent on heat treatment ; it is believed that rpc materials have excellent resistance to chloride permeability ; during the heat treatment, the shrinkage of rpc developed quickly because of chemical reactions ; the rpc with slag mostly has the advantage of rpc without slag about resistance to solutions corrosion

    研究結果表明:通過對rpc各組分摻量變化的研究,可以找到rpc的最優配合比;試件成型后的熱養護制度對rpc的性能影響巨大; rpc的抗壓應力?應變可以反映出試件受破壞時微裂紋的擴展情況,剛纖維的摻入可以大幅改善rpc的韌性; rpc在成型后在較大的收縮,而其中的化學收縮要遠遠大於乾燥收縮; rpc具有很強的抗氯離子滲透性能,漿體的密實度很高;通過x射衍射實驗,可以發現rpc的膠凝體中ch晶體已經幾乎不在,膠凝體主要由c - s - h凝膠和未水化水泥顆粒組成;在抗溶液侵蝕的實驗中,摻礦渣rpc的抗溶液侵蝕性能在絕大多數情況下要好於不摻礦渣試件,酸、堿溶液和浙江工業大學碩士學位論文摘要一些鹽溶液都會對rpc的結構產侵蝕作用,但是機理各有不同。
  7. The research can offer some important references to the population ecology of endangerous plant, too. based on the dates of two different circumstances, two standard life tables of form. taais chinensis var. mcarei population are founded by mathematical technique according to premising with " space deducing time ", and the curves of survival rate, mortality rate and killing power were drew. the results showed both of the survival curves of population appeared to be a type of deevey - iii and the high mortality of seeding is one of the important reasons which caused taxus chinensis var. mairei to be endangered, which badly limited the enlargement of form. taxus chinensis var. mcarei population

    由於南方紅豆杉無解析木,因而以「空間推時間」 、 「橫向導縱向」方法,將林林依胸徑大小分級,以立木級結構代表年齡結構,採用分段勻滑技術,對兩個不同境的南方紅豆杉種群編制特定時間命表,繪制,結果表明不同境的南方紅豆杉種群的均趨于deevey -型,兩地差異較小,幼苗死亡率極高,不同境的幼苗死亡率均達到96以上。
  8. Aiming at the lack of traditional ploting method in the areas of three dimension graphics, the b - spline surface is adopted. in order to more easily build the b - spline surface the control points are replaced with one center point during the storage, and make it clear to simulate the curve of branches

    在三維圖形的繪制方面,針對傳統繪制方法的不足,採用b樣條面來構造三維幾何模型,在面的成及儲過程中用一個中心點代替多個控制頂點,將對面的控制轉為對的控制,使得對枝條形狀的模擬更加方便直觀,並且減少了儲空間。
  9. The survival curves separate at about 4 months, and then remain non - overla ing throughout the follow - up period

    生存曲線在4個月時分開並在整個隨訪期一直未發交叉。
  10. The survival curves separate at about 4 months, and then remain non - overlapping throughout the follow - up period

    生存曲線在4個月時分開並在整個隨訪期一直未發交叉。
  11. Standard guide for determination of a survival curve for antimicrobial agents against selected microorganisms and calculation of a d - value and concentration coefficient

    測定抗選定微物的抗菌劑的生存曲線和計算d值及濃度系數的標準指南
  12. Under this circumstance, our treasury bond market exits lots of shortfalls which impede further development for this market. in this essay, combining with the experience in developing country " s experience, it analyses some challenges which confronted chinese bond market, such as liquidity in the interbank market has yet to be improved, duration in bond products are yet to be rational, a sound yield curve is yet to be take shape, the separation between exchange and interbank yet to be broken. in order to solving above issues, this essay suggests that it should develop market maker system to increase market liquidity ; manage balanced treasury bond ; issue short and long term treasury bond in proportion to improve duration and yield curve ; develop bond derivative products such as future trading, open style repurchasement, so it can provides tools for risk protection

    但隨著我國經濟的快速發展,金融市場已今非昔比,中國成為了世貿組織的成員,中國資本市場要走向國際化,利率的市場化是大勢所趨,在此前提下,我國國債市場還在著很多不足,越來越阻礙著國債市場的進一步發展,本文結合世界發達國家的先進經驗,剖析了我國國債市場在的一些問題如:流動性有待改善、國債期限結構不合理、無法形成科學合理的益率、交易所市場與銀行間市場割裂等,為解決這些問題,本文建議應發展做市商制度以提高市場流動性;實施國債余額管理,發行短期國債及長期國債,改善國債期限結構,以形成科學合理的收益率;發展債券衍金融創新工具如國債期貨交易、開放式回購等,為投資者提供避險工具等等。
  13. Mint total dna was transferred into a. thaliana mediated by ion beam with the influence of 0. 5 10 1. 5 1017 and 2. 5 1017 ions / cm2, respectively, which were on the bridge of saddle. among three transferred populations, their budding, seedling, growth and phenotypic variation took on obvious difference. combining these facts, the influence of 1. 5 1017ions / cm2 was decided as transformation influence of the following work

    我們從另外一個角度出發,在離子注入劑量-擬南芥菜的基礎上,選擇不同的離子劑量介導薄荷全dna轉化擬南芥菜,根據各個轉化群體在遺傳和理上的不同變化,選擇1 . 5 10 ~ ( 17 ) ions cm ~ 2作為我們以後轉化工作的轉化劑量。
  14. When compared with kds301 ( lexa + ), xe ( lexa - ) cells showed quite similar levels of survival curve to y - irradiation and mmc, indicating lexa gene had no effect on radiation resistance of deinococcus radiodurans. deinococcus radiodurans " lexa had no revelance with its extremely radioresistance. the recombinant plasmid pza172 was constructed by cloning the lexa gene of deinococcus radiodurans into the vector plasmid puc19 in the downstream of lacz promoter

    對lexa基因突變體xe的研究表明,其輻射抗性與lexa基因野型的抗輻射菌kd8301相近,上均顯示有一個寬大的肩區,結果發現lexa基因的突變並沒有改變抗輻射菌的獨特抗性,說明lexa基因與輻射抗性無關。
  15. The great tour purchasing power is the drive power of promoting the region ' s tourism developmentln the regional space, scale economic and regional separation are one of the basic characteristics of promoting tourism industry, so we must arrange the regional tourism industry with a systematic method and give prominence to the central city. for its outstanding area in the regional space, central city has evident superiority in the regional ecnomic development, and has echelon between central city and its periphery scennic spots, which is the inducement mechanism of tourism industry ' s arranging, developing and advancing step by step. for the law of diminishing marginal utility and the theory of equilibrium, the max utility equilibrium of tourism consumption be at the point of tangency of undiscrepancy curve and the cost budget curve

    中心城市居民巨大的出遊力是拉動其周邊旅遊地發展重要的內在驅動力;由於地緣關系,區域規模經濟與地域分割並,是旅遊產業運動的一個基本特徵,為此必須對區域旅遊經濟進行系統化布局,突出中心城市的產業中心性;因其區位條件獨特,中心城市在區域經濟發展中居於明顯的優勢,與周邊城鄉部位在經濟發展上的梯次性,這種梯次性是區域旅遊產力布局、產業發展梯次傳動,最終整體聯動的經濟誘導機制;根據邊際效用遞減規律和旅遊者最大效用均衡理論,旅遊消費效用最大化的均衡在無差異與開支預算的切點(即旅遊目的地選擇的最佳位置)上,且隨著邊際效用遞減,目的地選擇的最佳位置向遠離中心城市方向移動,這就是中心城市與周邊旅遊地互動關系的經濟學解釋。
  16. The rotation of the earth causes the buoyant fluid to rise in curved trajectories, which generate new magnetic field by twisting and shearing the existing magnetic field

    地球的旋轉使有浮力的流體按軌道上升,這通過扭和剪切已經在的磁場而產新磁場。
  17. In this paper, the definitions of soil macropore and macropore flow, their types, characteristics, generation mechanisms, and experimental methods in laboratory and field were introduced, and the research progress in their determination techniques, including dye tracing, slice up penetration curve, tension infiltration apparatus, x - ray ct scanning, and radar exploration were summarized

    摘要介紹了大孔隙及大孔隙流的定義、多種表現形式及其重要特徵、產機理和室內外實驗研究概況,以及染色示蹤、切片、穿透、張力入滲儀、 x射ct掃描攝像和雷達探測等方法的研究進展,揭示這些實驗方法的優點與在的問題。
  18. According the field test of conduit with high embankment, this paper states the main cause of conduit damage is that the formula or the experience curves with a smaller earth. value of the top of conduit from calculation are used. in order to get rid of the damage the better means is that soft material paved on the top of conduit

    涵洞(管)縱向開裂病害在非常普遍,本文結合高填土涵洞現場測試,指出一些設計部門採用了計算值偏小的公式或經驗計算涵洞頂的垂直土壓力,是病害產的主要原因,較好的解決措施是在涵洞頂鋪填壓縮性大於填土的柔性材料,可以大大減小洞頂垂直土壓力。
  19. The apsp produced abroad is made by numerical controlled machine tool, which has noise level of 71db ( a ), the apsp produced in our country is made in the method of exploratory which has noise level of 73db ( a ) and 75db ( a ). in order to analyze the influence of stator curve to noise, the author used tri - coordinate measuring instrument to measured exactly the inside surface of stator and got the straddling point coordinate, and made curve fitting by using matlab as language and studied the fitting effect and then worked out the equation of stator transition curve in return seeking, then comparied this method with the standard style and made the conclusion : the equation of atator transiting curve of apsp made by numerical controlled machine tool is close to theorical 5 power curve standard style, but compared with it, the stator transiting curve of apsp produced in exploratory has a major error. combining the testing results of noise, one can know that the qualily of stator transition curve play an importance to t he noise of the pump

    國外產的汽車動力轉向泵是用數控機床加工的,其噪聲值為71db ( a ) ,國內產的汽車動力轉向泵是用靠模方法加工的,其噪聲值分別為73db ( a )和75db ( a ) ,為了分析定子對泵的噪聲的影響,本人用三坐標測量儀對定子內表面進行精密測量,獲得定子內表面的離散點坐標,以matlab語言為工具對離散點進行擬合,觀察擬合效果,然後,用回歸方法求出了定子過渡的方程,並把該方程與理論方程標準型進行了比較,得出如下結論:用數控機床產的汽車動力轉向泵的定子過渡方程非常接近理論5次標準型,而用靠模方法加工的汽車動力轉向泵的定子過渡與理論5次標準型相比較,則在著較大的誤差,結合噪聲測試結果可知,定子過渡的優劣,對泵的噪聲大小有著重要的影響。
  20. The mechanism for optical storage in these materials has been attributed to a statistical reorientation of the azobenzene chromophors perpendicular to the polarization of the incident electric field of the pump laser beam. the photoinduced birefringence and holographic storage in methyl orange dyes ( mo ) doped polyvinyl alcohol ( pva ) films were reported firstly in this thesis. the relationship between the photoinduced birefringence and the dye content and pumping power was investigated by using the writing light of 532 nm ( double - frequency of nd : yag laser ) and the reading light of 632. 8 nm

    本文研究了甲基橙( mo )偶氮苯染料摻雜聚乙烯醇( pva )薄膜的光致雙折射和全息光儲特性,利用yag激光2倍頻( 532nm )作為寫入光, he ? ne激光( 632 . 8nm )作為讀出光,研究含有不同染料濃度pva薄膜的光致雙折射特性,探討了光致雙折射和泵浦光功率的關系,實現了全息光儲,所得光柵包含快過程和慢過程,快過程以異構相位光柵的長為主,慢過程以取向光柵的長為主,對此實驗結果本文給出了合理的理論解釋。
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