數量變種 的英文怎麼說

中文拼音 [shǔliángbiànzhǒng]
數量變種 英文
number variation
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 種 : 種名詞（姓氏） a surname
  • 數量 : quantity; quantum; amount; magnitude; number
  1. In view of this situation and the characteristic of qualitative variable as well as quantitative variable of the geological factors affecting coal seam affusion, put forward the application of numerical theory on the basis of optimization study of orthogonal design to confirm the optimal combination of the technical parameters of coal seam affusion when geological factors is in precarious state and then proceed optimization study with instances

    針對這種情況及影響煤層注水的地質因素既有定性變量，又有定量變量的特徵，本文在利用正交設計優化研究的基礎上，提出利用數量化理論確定地質因素為不穩定狀態下的煤層注水工藝參數的最優組合，並結合實例進行了優化研究。
  2. Under mixed culturing conditions, it was observed that bacterial number rapidly incre ; ised soon after the lysing of host cells. on the contrary, while the non - host cyanobacterium ( i. e. anabaena flos - aquae ) was incubated in the mix culturing system, the breeding of the bacteria could be inhibited. it may be suggested from the result above that cyanophage could bring about the changes in microorganism populations

    調查結果顯示， 19個採集的水樣中有6個含有裂解織線藻的噬藻體，而且水樣未經濃縮即能裂解宿主，說明噬藻體在淡水中分佈較廣泛，裂解性也較強；混合培養條件下的研究結果表明，噬藻體裂解宿主后，細菌數量快速增加，而當培養系統中有非宿主藻類存在時，細菌的增殖則受到非宿主藻的抑制，說明噬藻體可以顯著改變系統中微生物的種群結構。
  3. It was suggested that eric - pcr could substitute for rapd in research related to the genetic identification and genetic diversity in auricularia and other edible and medicinal fungi : 2 to a certain extent, genetic differences among auricularia strains tested in this study did not have necessary relativity with their geographical origins respectively ; 3 in this study, genetic diversity in a. polytricha was higher than that in a. auricula : 4 in this study, a. fuscosuccinea had a higher homology to a. auricula than to a. polytricha ; 5 morphological characteristics validated the results from eric - pcr and provided a potential explanation for the higher similarity coefficient between a. auricular and a. fuscosuccinea ; 6 southern hybridization was employed by choosing a strain from a. auricula as a probe which hybridized with a. auricula and a. fuscosuccinea except a. polytricha, further confirming the veracity of the results from eric - pcr ; 7 in this study, isozyme analysis could not cluster the 7 strains from three auricularia species to different groups efficiently ; 8 2 strains from two auricularia species revealed high conservative degree and the restriction fragment patterns by 4 kinds of restricted enzymes showed no diversity

    本研究中，木耳屬2個種的2個菌株在its區域表現出較高的保守性， 4種限制型內切酶的酶切圖譜沒有顯示出多態性；增加內切酶種類及供試菌株數量，有可能獲得具有多態性的限制性內切酶酶切圖譜； 9本實驗中， its區域的真菌特異性引物與真核生物通用引物對于擴增效果無較大差異，擴增片段長度均為650bp左右； 10根據形態學實驗、 eric - pcr實驗以及southern雜交實驗的結果分析，紫木木耳屬種質資源的遺傳鑒定和遺傳多樣性評價耳極有可能是毛木耳種的一個變種; n .本研究中所用的gutc法是一種適用於木耳屬菌株基因組洲a快速提取的方法; 12 .傳統的形態學分類法和現代的分子生物學分類法，兩者的關系是相輔相成，互為驗證
  4. Seven plots selected from wanglang reserve were distributed in different types of forest and at different altitude, and different plot has different microclimate. soil property, microbial population, soil nutrient content of forest soil were determined in wanglang natural reserve, from may to october 2002 to july 2003, the ecological distribution of three main groups, bacteria, actinomycete and fungi were determined in the forest soils by the cell enumeration methods. six kinds of physiological groups, including ammoniation bacteria, nitrification bacteria, nitrosification bacteria, aerobic autogenesis azotobacter, aerobic cellulose - decomposing bacteria and anaerobic cellulose - decomposing bacteria were enumerated by the most - probable number ( mpn )

    2001年10月在王朗自然保護區內設立了3個定位研究樣地和4個臨時樣地，通過多次現場采樣與室內實驗分析，測定了白樺林、岷江冷杉林、紫果雲杉林、繡線菊-羊茅群落、羊茅群落及高山柳灌木叢等6種不同植物群落內土壤微生物三大類群數量、功能微生物數量、土壤養分，並在固定樣地內使用埋袋法進行了三個埋藏深度的凋落物分解袋試驗，初步研究了枝條、闊葉、針葉等凋落物組分在不同分解階段所含養分的動態變化。
  5. Periodic local catastrophes reduce populations.

    周期性的局部地區的災變降低了種群的數量。
  6. Because the kinds, structure, storage and stratification of coal are different, it is difficult to analyze the effect factor on coal cutting power. based on a lot tests, the change rule of cutting parameter with cutting power is discussed, it is an important basis for designing, researching and selecting mining equipment, prcessing and technical reform

    由於煤炭的種類、結構、賦存和層理的不同，給分析影響煤炭切削力因素帶來了困難，在大量實驗的基礎上，討論了切削力隨切削參數的變化規律，為設計、研究、選擇採掘設備、開采工藝、技術改造提供了重要依據。
  7. Abstract : because the kinds, structure, storage and stratification of coal are different, it is difficult to analyze the effect factor on coal cutting power. based on a lot tests, the change rule of cutting parameter with cutting power is discussed, it is an important basis for designing, researching and selecting mining equipment, prcessing and technical reform

    文摘:由於煤炭的種類、結構、賦存和層理的不同，給分析影響煤炭切削力因素帶來了困難，在大量實驗的基礎上，討論了切削力隨切削參數的變化規律，為設計、研究、選擇採掘設備、開采工藝、技術改造提供了重要依據。
  8. The conodont fauna of late permian to early triassic from yangou section in leping area, jiangxi province was discussed in this paper. all of the conodont individuals founded in this section were listed in a figure. according to the distribution of the important conodont elements, this section was divided into three conodont zones from the upper permian to the lower triassic

    討論了贛中樂平地區沿溝剖面上二疊統至下三疊統地層的牙形石動物群，列出了牙形石的各個形態屬種在地層中的分佈及其數量變化。根據特徵牙形石分子的地層分佈，將該段地層自下而上劃分為3個牙形石帶，分別是：
  9. The factors for influencing development of world fishing vessels are fishing quantity of ocean, situation of fish resources fishery cultivation, convention of ocean law united nations and protect policy of resources for every country, because of variation of these factors, the quantity kinds, dimension for fishing vessels and fishing technique etc being adjusted corresponsively for problems which is in the present stage for development of fishing vessels corresponsive methods and the measures are suggested

    摘要認為影響世界漁船發展的因素是海洋撲撈量、魚類資源情況、漁業養殖業、聯合國「海洋法公約」及各國資源保護政策等；這些因素的變化必然導致漁船在數量、種類、尺度及撲撈技術等方面做出相應的調整；針對現階段我國漁船發展所面臨的問題，給出相應的對策和具體的具體措施。
  10. Based on the analysis of the fishing capture monitoring data, which obtained from 5 deep water drift net fishery resources investigation boats from april 1998 to march 2001, the results indicated that the psenopsis anomala which took accounted for 8. 68 % ~ 27. 16 % of the total catch, was one of the three preponderant species in the northern part of the east china sea and southern part of the yellow sea. ( branchiostegidac ranked first, followed by the psenopsis anomala or argyrosonus altetnate ). the yearly quantity distribution concentrated in summer and autumn, and reached the peak in latter summer to early autumn

    摘要根據對5艘深水流網資源信息船1998年8月~ 2001年3月連續漁撈調查資料進行分析研究，結果表明：刺鯧是本海域深水流網漁業的三大優勢種之一（方頭魚占首位，刺鯧和白姑魚年間變動量相互交替） ，占年總漁獲量的8 . 68 % ~ 27 . 16 % ；周年數量分佈集中在夏、秋季，全年數量最高值出現在夏末初秋。
  11. X2 test with 2 2 contingency table and ochiai indices were used to analyze the interspecific association of 12 dominant species of meadow community and 20 dominant species of scrub community and 18 dominant species of tree community. pearson ' s correlation coefficient and spearman ' s rank correlation coefficient were also applied to calculate correlations between species

    在該地區植被的優勢種的種間關系的研究方面，運用2 2列聯表、 x ~ 2檢驗方法對群落優勢種進行總體相關性和種對間的聯結性檢驗，利用共同出現百分率jaccord指數測定種對間的關聯度，應用pearson相關系數和spearman秩相關系數刻畫種對間的數量變化關系。
  12. The study shows that the early and late seed rains of constructive tree species in evergreen broadleaved forest at chongqing simian mountain had no activity. the bigger the seeds of the species and the earlier or later the seeds of the species matured, the higher the proportion of the seed rain damaged by animals. the quantitative variation of seed rain, active seed rain and seed bank did not take place at the same time. at early time, the number of seed banks of castanopsis fargesii, lithocarpus glabra, quercus myrsinrefolia, castanopsis plasyacantha, cinamomum subavenium. which own more active seed rain increased by geomitric series. the seed banks of castanopsis orthacantha and schima argentea were small, only survived a short time, and did not sprout next year. the quantitative dynamics of seed banks and their increasing or decreasing rates were decided by the proportion damaged by animals, dying speed of seeds and their resistance to pathogens and adverse circumstances, and the state of seed germination

    對重慶四面山常綠闊葉林建群種種子雨、種子庫的研究表明，建群種早期和晚期的種子雨無活力;種子偏早或偏晚成熟及大籽粒的樹種，其種子雨被取食的比例大;種子雨、有活力種子雨、種子庫三者的數量變化不一致;有活力種子雨量較大的栲、石櫟、小葉青岡、扁刺栲、香桂等，其種子庫密度在早期以近幾何級數的方式增長，元江栲、銀木荷種子庫小，存在時間短，翌年無一年生萌發苗;種子庫數量動態、消減率動態決定於種子被取食的強度、種子衰老的速度以及種子對病菌、逆境的抗性和種子萌發的整齊性
  13. We get the probability distribution of the population by the theory and method of markovian process, and discuss the model coefficients influencing on subsistence of a population

    利用馬爾可夫過程的理論和方法，得到生物種群數量變化的概率分佈，最後討論了各模型參數的變化對生物種群生存的影響。
  14. Our results provided direct evidence that pf40 gene play a role in the tissue development, with knockout this gene the lateral buds were not visible. the plant hormones auxin and cytokinin appear to play a major role in controlling this process, therefore, the concertrition of auxin and cytokinin was measured, however, the concentration of the two hormone was variation a little in transgenic plants, but the ratio of the two was more than 5 fold in the pf40 gained function plant than that in wild type. furthermore the pf40 gene effected differentiation of the vascular bundles in different transgenic plants, results showed the pf40 could change both xylary fibers and vessel

    進一步的實驗發現pf40基因會影響植物側芽發育的早期，即pf40基因作用在側芽形成與發育的早期。對轉基因穀子的組織切片的分析還表明pf40基因引起不同形式的轉基因穀子的維管組織的發育的差異，轉化正義載體穀子的木質部變多，維管系統增多，而反義或干擾的轉基因穀子的木質部數量變少，木質部分化異常。從轉基因的結果可見pf40基因可以減弱植物的頂端優勢，這種作用是通過改變植物體內激素的含量實現的。
  15. Conducted a trade survey in 1997 and 1998. the study focused upon the quantity, species and origin of lrff imported into and re - exported out of hong kong, the structure and dynamics of the hong kong trade, and demand in the hong kong market

    於1997及1998年進行貿易調查，搜集入口及經本港出口的食用活珊瑚魚數量品種及來源地等資料，從而了解活珊瑚魚貿易的市場結構需求變化及對珊瑚區資源的影響。
  16. This can happen if xml documents are parsed infrequently, or if the number of threads within your application varies widely xerces - c parsers are not re - entrant

    如果不經常解析xml文檔，或者應用程序中的線程數量變化很大（ xerces - c + +解析器不支持再次進入） ，就會出現這種情況。
  17. Microbilogical oil and gas exploration is a technique of predicting subsurface hydrocarbon distribution by means of detecting the change in amout of hydrocarbon - biting bacteria in near - surface soil

    摘要微生物油氣勘查是通過檢測近地表土壤中噬烴菌的數量變化，預測地下油氣分佈的一種技術方法。
  18. The harmfulness of l. lagurus is a serious problem for long time, because of undulation of population number and perniciousness

    由於其種群數量變動較大，加之它對草場的危害嚴重，長期以來一直困擾著人們。
  19. Fehd will regularly review the control strategy, as well as the quantity and food types sampled under the food surveillance programme to meet changing needs

    食環署會定期檢討食物監控的策略、抽查食物樣本的數量及種類，以應付不斷轉變的需要。
  20. Thus with citing these results we separatedly and thoroughly examined all possible dynamical manners of the changing of the ; populations when the species were developing under the function of catching efforts in three different areas departed by the size relation between the intrisic rates of the system and the values of the harvesting efforts. so we could give out - righter qualitative analysis to this system and the scope of catching efforts which make the species sustainable and the asymptotical properties of the corresponding system were also clear

    於是，本文在引用已有結論的基礎上，根據給定捕獲努力量與系統內稟增長率之間的大小關系分三部分考慮了在不同的捕獲努力量作用之下，種群發展過程中其個體數量變化可能出現的全部動力學行為，從而對系統給予了較完整全面的定性分析，求出了使生態系統持續發展的捕獲努力量的范圍及相應的系統的漸近性質
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