累積分佈 的英文怎麼說

中文拼音 [lěifēn]
累積分佈 英文
cumulative distribution
  • : 累Ⅰ形容詞(疲勞) tired; fatigued; weary Ⅱ動詞1. (使疲勞; 使勞累) tire out; wear out 2. (操勞) work hard; toil
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • 累積 : accumulate累積服刑 [法] accumulative sentence; 累積股本 cumulative capital stock; 累積股息 cumula...
  1. Today, qsox has already developed become fiber fabric air distribution system manufacturing leader enterprise, and as it long - term accumulate ' s experience at make airiness wait for aspect ' s professional knowledge for basis, adopts many kinds technologies, make accomplish " circulation pattern society " become maybe

    今天, qsox (優值索斯? )已發展成為纖維織物空氣系統製造業領導企業,並以其長期的經驗在通風等方面的專業知識為基礎,採用多種技術,使實現「循環型社會」成為可能。
  2. Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time

    隨后以這幾種重金屬作為實驗毒物,以鯽魚為實驗動物,應用環境生物技術、火焰原子吸收光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重金屬在鯽魚幼體組織內的、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等,全面和系統地研究了水環境中重金屬暴露對魚類的毒性影響,初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?子等各水平層次的影響,為制定漁業生產上預防性的管理措施提供科學依據,及時避免或減輕重金屬污染對水生生態系統造成的損害。
  3. Cumulated distribution function cdf

    累積分佈函數
  4. The results obtained show the effects of defection cumulation material nonlinear and internal force distribution are remarkable with increase of crack element

    結果表明,考慮結構損傷的效應和材料的非線性性質,結構的內力重較為顯著,開裂單元范圍加大,適用性能與耐久性能降低。
  5. Such classes are separated by "natural breaks" in the frequency distribution or the analogous cumulative curve.

    這樣的級可由頻率或類似的曲線中的自然斷點劃開來。
  6. Exploring the possible mechanisms is an important content of bioinorganic chemistry and ecotoxicology, which has signality in modifying contamination effect to animals. this thesis studies on the chemical speciation of mercury and selenium in dolphin livers, sub - chronic toxic effect of wistar rats of sodium selenite and mercuric chloride and investigates the antagonism mechanism from there aspects : 1. redistribution of mercury in the presence of selenium, 2

    本文以海豚肝臟為對象,研究其的高濃度汞硒化合物的化學形態和結構,並結合動物實驗的研究,從汞硒相互作用的總體生物學表現,汞硒在動物體內變化和結合形態的變化以及汞硒化合物的結構等方面探討兩元素毒性拮抗作用機理。
  7. The cumulative exposure distribution was divided into quartiles and adjusted odds ratios were calculated using the lowest quartile as the referent group

    暴露被區為4等,並且利用最低暴露的1 / 4族群作為參考來計算調整后的對比值。
  8. The anti - wearing property of chme steel is 15 percent to 35percent higher than zgmnl3, which is a widely used anti - wearing steel. the reason of the excellent mechanical properties and anti - wearing property of chme steel is that the heat treatment sturcture of chme steel is composed of tempered martensite, bainite, temper troostite, remaining austenite and carbonide

    磨面析表明, chme鋼基體高強度,高硬度、良好的強韌性配合和碳化物硬質點的彌散,磨痕細短淺小,擠塑變形區細小均勻,抵抗沖擊滑動塑性疲勞能力強,是其耐磨性比zgmn13高的原因。
  9. Influences of initial damage on development of spalling damage have been indicated by analyzing the distribution of void number density, the cumulative percentage of void volume and the volume fraction of the different - seize voids

    通過析孔洞數密度、孔洞體比、不同大小孔洞所佔體份額的計算結果,指出初始損傷對損傷演化有直接影響。
  10. Because of the evaporation, dissolved salt is brought to cumulate at the ground surface and the root zone when the ground water is above the critical level. then the saline soil is formed

    超過臨界深度的地下水,在蒸發作用下,將鹽帶至地表或根系下來,形成鹽漬化土壤或鹽土、堿土。
  11. Cumulative distribution function

    累積分佈函數
  12. The studies of in - layer heterogeneity are as follows : the text depicts the characteristics of heterogeneity by calculating the coefficient of variability, kmax / k and k. max / k. min of sand layers of different sedimentous microfacies ; divides interlayer into two types, and counts their numbers, thickness, frequency and density of a single sand layer according to the characteristics of lithology and logging, finally summarizes the characteristics of interlayer distributing ; sets up five in - layer heterogeneity models and points out that the primary models are model a and c. the studies of between - layer heterogeneity are as follows : the text depicts sand layers " growth and distributing conditions by calculating the lamination factor, sandstone density and overlap coefficient ; makes certain the lithology and thickness of interlayer by the method of contrasting the typical curves

    層內非均質性研究,通過計算不同沉微相砂體滲透率的變異系數、突進系數以及級差來說明主要儲集微相的非均質特徵;據巖性及電性特徵,將層內夾層為兩類,統計單砂層段內夾層的個數、夾層厚度、夾層頻率及夾層密度,並且根據夾層頻率及密度平面布圖統計出每層的頻率相對高值區和低值區,總結夾層特徵;根據物性參數隨深度的變化趨勢建立了五種儲層層內物性非均質模式,指出研究區內以a型和c型模式為主。
  13. Then, with the concept of accumulated failure probability, the proposed approach combines the least ? quares method with bayes " theorem, takes advantage of the parameter estimation for single weibull distribution to each derived subgroup data set, and estimates the parameters of each subpopulation. the estimates given by this paper also satisfy the maximum likelihood equation. the mean time to failure and the reliability estimation of the mixed population are given

    然後通過利用失效概率等概念,對每個導出的子組數據集聯合運用最小二乘法、貝葉斯定理和對單一威布爾的參數估計法,從而得到每個子總體的滿足極大似然原理的參數估計,給出了該混合總體平均壽命和可靠度的估計。
  14. The purpose of this web site is to share my experiences with workers in any country on water logging in agricultural lands, irrigation induced soil salinity, subsurface drainage for agriculture ( horizontal and vertical ), reuse of groundwater, ground - water hydraulics, ( geo ) hydrology, rainfall and surface runoff relations, reclamation and improvement of water logged saline, salty, sodic alkaline, and acid sulphate soils, plant growth, crop production and responses as well as statistical analysis consisting of segmented linear regression and cumulative frequency distributions

    描述:探討農業耕地的水澇問題;灌溉導致的土壤鹽堿化;地表灌溉;地下水的再利用;地下水水力學;雨水與水流失的關系;淺地表排水;土壤開墾及水澇,酸性,堿性土壤的改良;片段線形回歸和頻數的統計析等。
  15. 01 ). poisonous metals such as cd, pb, cr and ni were mainly distributed in scale and gill. for fishes, the content of heavy metals in the edible part were far below pollution evaluation standards for marine organism and healthy standards for human consumption, which was safe to be eaten

    魚類不同組織器官對各種重金屬能力明顯不同,有毒重金屬元素cd 、 pb 、 cr和ni主要於鱗片和鰓中,其食用部中各重金屬含量都遠低於「海洋生物污染評價標準」和「人體衛生消費標準」 ,具安全的食用價值。
  16. Plant species from the polygonaceae are widely distributed with most of them having large biomass, and it is, therefore, possible to screen accumulators and hyperaccumulators from the polygonaceae

    蓼科植物種類多,范圍廣,且多數植物具有較高的生物量。因此,有可能從蓼科植物中篩選出植物和超植物。
  17. Cumulative distributions have the disadvantage that they can increase or decrease with increasing size depending on definition.

    累積分佈不利的方面是,它們可能固定義不同而隨尺度的增加而增加或減少。
  18. Study on the dynamic changes of the distribution and accumulation of nitrogen in different plant parts of wheat

    小麥不同器官氮素累積分佈動態規律的研究
  19. Because of this, we should put more attention on the treatment - time, if we want to use the half of the lethal salt concentration to judge the capacity of plant fastness to salt. as the salt content increased, the sodium and chloride content of plant increased also. after 36 - day treatment, the plants grew under 50 ~ 100 mmol. l - 1 salt levels had the most amount of salt ions

    Nacl環境下,植株體內鹽離子na ~ + 、 cl ~ -含量均隨著鹽水平的升高而升高;但隨著處理時間的延長,根部na ~ + 、 cl ~ -含量表現為不斷地顯著增長,而地上部則表現為先增長後下降的趨勢;經過36天的鹽處理,地上部鹽離子的最大無差異單株在50 100mmol ? l ~ ( - 1 )左右的鹽環境下。
  20. The safe concentrations of zn, cd and cr to crucian were far exceeded the standard. the short - term accumulation and distribution in young crucian tissue of mixed secure concentrations of heavy metals cu, zn, cr and cd pollution was studied. the results showed that associated interaction of the four heavy metals was synergistic effect of accumulated toxic

    研究了安全濃度的混合重金屬cu 、 zn 、 cr 、 cd污染在鯽魚幼體組織中短期的,實驗結果表明: cu 、 zn 、 cd和cr四種重金屬之間的聯合作用為毒性劇增的快同作用。
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