指數生長 的英文怎麼說
中文拼音 [zhǐshǔshēngzhǎng]
指數生長
英文
exponential growth- 指 : 指構詞成分。
- 數 : 數副詞(屢次) frequently; repeatedly
- 生 : 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;...
- 長 : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
- 指數 : 1. [經] (比數) index number; index 2. [數學] exponent
- 生長 : grow; grow up; ascent; merisis; build up; auxesis; increment; overgrowth; gain; burgeon; bourgeon...
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We used several organic algaecides to remove the phaeocystis globosa red tide. the results showed that povidone - iodine can release iodine slowly to kill and control the p. globosa red tide. the minimum used levels are 30mg / l if we added the povidone - iodine algaecide at the prophase of logarithmic phase
本文研究了緩釋除藻劑碘伏對棕囊藻的去除作用,發現碘伏有一定的除藻能力,在棕囊藻指數生長期前期加入碘伏,最低有效除藻濃度為30mg / l 。The study investigated aboveground growths of caragana korshinskii and artemisia ordosica planted in four modes, revealing that in different planting modes their densities, heights and canopy width and biomasses remained unchanged or tended to decrease slightly ; the young shoots of a. ordosica annually grew in a s - shaped cure and the young shoots of c. korshinskii grew fast in spring and grew slowly or cease to grow from july on ; the biomasses and leaf area indexes of c. korshinskii and a. ordosica annually varied in a double peak curve and there were 8 annual plants that invaded in the four planting modes and formed higher coverage ; the quadrat with only a. ordoska appeared to have obviously lower coverage and biomass that the other three quadrats
摘要對騰格里沙漠東南緣2種人工植被檸條和油篙在4種配置方式下地上部分的生長動態進行了研究,結果表明:不同配置方式下它們的密度、高度、冠幅和生物量基本不變或略微呈下降趨勢;油篙新梢的年生長動態呈s型曲線,檸條新梢春季生長速度較快, 7月份以後生長速度緩慢或基本停止生長;檸條、油篙地上生物量和葉面積指數的年變化均表現為雙峰型, 4種配置方式下共有8種1年生植物人侵,並具有較高的植被蓋度;同其它3個樣地相比,純油篙樣地1年生植物的密度、蓋度和生物量明顯偏低。The global regulator csra of e. coli is a specific mrna - binding protein. csra negatively regulates several metabolic pathways that are induced post - exponentially, including glycogen biosynthesis, gluconeogenesis, and glycogen catabolism ; positively controls gene expression within the glycolytic pathway ; and also csra modulates the levels of enzymes that participate directly in pep metabolism
Csra是整體調控網路的調控基因,可負調控指數生長後期誘導的一些代謝途徑,包括糖原的生物合成、糖原的分解代謝、糖異生,而對糖酵解的一些重要基因的表達則執行正調控功能, csra也調控直接參與pep代謝的三個酶的活性水平。On the basis of foreign documents, the dissertation firstly describes the morphology, taxonomy, and biological characters of cochineal insects. then, by using artificial climate cases in the lab, according to orthogonal design, 8 lands of combinations of temperature, humidity and light is set, while the temperature has four levels : 15, 20, 25 and 30, and the relative humidity has two levels : 60 % and 80 %, while the light also has two levels : 980 lux and 60 lux. through observations and analysis of hatching percentage, survival percentage of the first instar and during from the second instar to the adult, the population tendency index, generation life cycle, size and eggs of female adult, the development of the cochineal under different conditions is studied
在收集、整理國外對胭脂蟲的研究資料基礎上,首先從胭脂蟲的形態學、分類學、生物學特性入手,進而在實驗室內利用人工氣候箱,應用正交設計方法,設計了4種溫度、 2種濕度、 2種光照梯度的不同組合,通過測定胭脂蟲的孵化率、 1齡若蟲的存活率、 2齡若蟲至成蟲期存活率、種群趨勢指數、世代歷期、雌成蟲的大小、懷卵量等生物學指標,深入研究胭脂蟲在這些組合下的生長發育狀況,應用數理統計方法,分析出溫度、濕度和光照對各項生物學指標的影響,找出胭脂蟲適宜的室內培育條件,並為野外胭脂蟲的培育提供一定的理論依據。The dissertatio n constructs the index system, introduces the coefficients of development, coordination, fairness, and the coefficient of sd, which is composed by the former three and can reflects the sd overall strength of watershed, brings forward the quantative criteria of in order that the research of wrcc is based on the good watershed ecology and environment, the dissertation, according to the ecological appropriate theory, builds the logarithm normal distribution model about the relation between the growth of natural vegetation and the depth of groundwater ; based on this relation model, proposes a quantitative method of ecological water requirement ( ewr ) of natural vegetation in arid area, which utilizes the results of rs technique and the spot testing data of vegetative physiology demand
針對流域特點建立了基於水資源的流域可持續發展評價指標體系,引入發展系數、協調系數、公平系數,以及由其構成的衡量水資源支撐社會可持續發展綜合水平與能力的可持續發展系數,提出了可持續發展的定量判別方法。為保證在良好生態的前提下進行水資源承載能力研究,論文根據生態適宜性理論,建立了乾旱區典型天然植物生長與主要環境因子的偏態單峰對數正態分佈模型。基於此關系模型,利用遙感技術成果以及植物生理需水的現場實驗數據,提出了乾旱區天然植被生態需水量計算方法。Taking into account the growth of demand index, and the constraints of production growth, the essay models how resources from multiple sources can be brought together to meet demands, and illustrates the strengths of mobilizable resources and the limitations of other kinds of resources
通過大量戰爭對資源需求與保障的定性定量分析並考慮物質生產增長規律制約,捕捉到需求指數增長趨勢,構築了多途徑資源組合應對模型,論述了各途徑資源所受制約和可動員資源的優勢。The world health organisation scientist in vector control, dr chang moh - seng, accompanied by the director, visits ma wan to examine the ovitrap survey
世界?生組織病媒防治科學家曾茂成博士訪港,在署長陪同下,實地視察馬灣誘蚊產卵指數調查。Field germination, nodulation status and physical growth parameters of seedlings ( shoot and root length, vigor index, collar diameter, leaf number, fresh and dry weight of shoot and root and total dry biomass increment ) were recorded after three and six months of seed sowing
播種的3和6月後,記錄幼苗大田發芽、分枝狀況和其他物理生長參數(枝條或根長、活力指數、莖直徑、葉片數、分枝或根鮮重和干重、總的生物量干重增長)等。During the incubation of e. carotovora with combined glucose and pectate, two exponential growth phases occur as the bacteria first consume glucose, the preferred substrate, then pectate, the more slowly utilized substrate
在用葡萄糖與果膠酸同胡蘿卜軟腐菌共培養時,出現兩個指數生長期,一個發生在細菌先利用葡萄糖這種容易利用的底物時,第二個出現在利用果膠酸這種利用得更慢的底物時。The influencing factors of death fear including gender, age and religiosity were analyzed
往生前死亡恐懼指數的降低與宗教師接觸時間長短有關。Jiyang depression is a field where nonhydrocarbon is rich. these resources have close relation with the activities of the volcanos. at the same time, the activities of volcanos have deep contact with the activities of the faults. the growth of the faults in jiyang depression is great. by the research of the index number of the faults growth and the other researches, nw direction faults are the most ones in mesozoic, nw and ne and approximately ew directions all exist in cenozoic. the above reflects the whole geotectonic background that sinistral shearing stress field exists in mesozoic, but dextral shearing stress field exists in cenozoic
這些氣藏與火山活動有密切的成生關系,同時火山活動與斷裂活動也有密切的關系。濟陽坳陷內斷裂活動極為發育,通過斷層生長指數等的分析,推斷中生代斷裂以北西向為主,新生代則兼有北西向北東向和近東西向的斷裂,上述斷裂發育特徵反映了該區的大地構造背景,在中生代是左旋的剪切應力場,在新生代則是右旋的剪切應力場。6 ) after passage, the qinchuan - scalper skin fibroblast cells were in lag phase in first two day, then entered log phase and persisted six days, they stayed at plateur phase for about three days ; the mitotic index were most high at the fifth day after culture and toboggan at the sixth day
從生長曲線可以看出,以低糖dmem培養第4代秦川牛皮膚成纖維細胞,接種后滯留期縮短,約一天左右,之後為對數生長期,持續六天左右,進入平頂期。分裂指數最高時期在培養開始后的第五天,第六天急劇下降。For protein identification, proteins spots of interest on the gels stained with colloidal coomassie brilliant blue g - 250 were excised, digested in - gel with trypsin, and analyzed by peptide mass fingerprinting ( pmf ) with matrix assisted laser desorption / ionization - mass spectrometry ( maldi - ms ). erp60, trypsinogen, proelastase, lipaseandso on were identified. this will enable us to present an overview of the proteins expressed in rat pancreas tissues and lays the basis for subsequent comparative proteome analysis studies with pancreas development
從中隨機選擇一些差異蛋白質點,進行基質輔助激光解吸-電離飛行時間質譜( maldi - tof - ms )測定其膠內酶解后的肽質指紋圖譜,用mascot軟體查詢swiss - port數據庫,初步鑒定為一些與生長發育、物質代謝、細胞因子、信號轉導等有關的蛋白質,如erp60 、 trypsinogen 、 proelastase 、 lipase等。Then were electrophored. the extent of dna migration were measured. index - percentage of " comet " cell and " comet tail " were analysed that indicated when vero cells were treated with 2 u g / ml quinocetone vero cells got midium - grade damage, and were treated with 6 u g / ml olaquindox vero cells got midium - grade damage
喹乙醇染毒劑量在2 10 g ml時細胞存活率90 ,以2 10 g ml劑量的喹乙醇染毒處于對數生長期的vero細胞,后經過電泳,通過分析彗星樣細胞發生率和彗尾長短等指標,結果表明染毒劑量在6 g ml對dna造成中度損傷。Index - percentage of " comet " cell and " comet tail " were analysed that indicated the optimum time is 2 ~ 3h. the degree of dna damage by quinocetone and olaquindox were detected by scge assay, when vero cells were treated with 1 ~ 5 ug / ml quinocetone the percentage of live cells was above 85 % and with 2 - 10ug / ml olaquindox the percentage of live cells was above 90 %
喹烯酮染毒劑量在1 5 g ml時細胞存活率85 ,以1 5 g ml劑量的喹烯酮染毒處于對數生長期的vero細胞,后經過電泳,通過分析彗星樣細胞發生率和彗尾長短等指標,結果表明染毒劑量在2 g ml對dna造成中度損傷。Thermographical equation and thermodynamics of bacterial growth in exponential phase
細菌指數生長期熱譜方程與熱力學Exponential phase cultures of the dr rl strain survive exposure to gamma radiation at doses as high as 5, 000 gy without loss of viability or evidence of dna damage induced mutation. 6000 gy of irradiation will induce approximately 200 dna double - strand breaks in dr chromosomes, but it is still able to reconstruct a functional genome from chromosomal fragments without any mutation
指數生長期的r1菌株即使在5kgy劑量的-射線照射后,其生長能力也未受影響, 6kgy -射線照射后染色體基因組產生約200個的雙鏈斷裂碎片,但是其基因組dna經修復后沒有引起任何的突變。An exponential growth curve starts off slowly and increases faster and faster as time goes by ( called the log phase )
指數生長曲線開始時很低,但隨時間的增長,其增長得越來越快(稱為指數期) 。Exponential growth a type of growth in which the rate of increase in numbers at a given time is proportional to the number of individuals present
指數生長:指定時間內,增長速率與個體數量的增長呈一定比例的生長類型。The achievement points to one possible path for continuing the exponential growth of computing power even after current silicon chip - making technology hits fundamental limits in 10 to 20 years
在硅晶片產生了10 - 20年之後,其製造手段已達到理論極限;這種新型晶元的產生無疑為維持電腦計算能力的指數增長提供了一條可行的出路。分享友人