k-index 中文意思是什麼

k-index 解釋
k 指數
  • k : (pl Ks K s; ks k s )1 英語字母表第十一字母。2 K字形物體[記號]。3 一個序列中的第十一〈若 J 略去...
  • index : n (pl es dices )1 索引。2 指標,標準,標志。3 示[食]指 (=index finger)。4 指數。5 【印刷】指...
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. Crossbreeding of chlamys farreri were performed using the parent scallops from the korea wild population ( k ), china cultured stock ( c ) and the survived individuals in epedimic waters in culture area of china ( cs ). four crosses, k k, k c, k cs and c c, were constructed. the index of growth performance of their progenies such as the length and width of the shell and the individual weight were measured for heterosis study

    用來自韓國野生的櫛孔扇貝和中國養殖的櫛孔扇貝以及發病區存活的個體作為親本,構建韓國野生韓國野生、韓國野生中國養殖、韓國野生中國養殖發病區存活個體以及中國養殖中國養殖共四個交配組合,通過對f1代個體殼寬、殼高和體重的測量比較不同群體的生長情況。
  3. In this equation k is the consistency index.

    在這個方程中,K是稠度系數。
  4. The mesh points are numbered with index k in the order in which the unknowns are considered.

    網格點按所考慮的未知量以腳標k來計數。
  5. In 1996, guo [ 9 ] has further proved that the index of the normalizer of every sylow subgroup of g is an odd number or a prime if and only if g is a soluble group and g = kh, where k and h are the hall subgroups of g, k is a nilptent subgroup which is normal in a 2 ' - nilpotent. in this paper, we shall study the nilpotent length of finite groups whose sylow normalizer indices are of prime powers

    1996年,郭文彬教授沙1證明了一個群g的西洛子群的正規化子的指數為奇數或為一個素數冪當巨僅當g為可解群而且g二尤廳,其中k和h都是群g的hall一子群, k是正規于g的一個2 』一月恤21子群的冪零子群, h是2一冪零群。
  6. For a maximal subgroup m of a finite group g the normal index of m is the order of a chief factor h / k where h is minimal in the set of supplements of m in g. in this paper we can obtain some results about solvability and supersolvability by using the normal indexes of maximal subgroups of finite groups

    有限群g的極大子群m的正規指數是指g的主因子h k的階,其中h為m在g中的極小正規補。本文利用正規指數的概念,獲得有限群可解,超可解的若干結果。
  7. The average weight, growth index k and biomass of the main fishes were measured and the reasons for the smaller size and the measures for protection and propagation were analyzed

    此外,統計了主要魚類的平均體重、生物量和k值,並探討了魚類資源衰竭和個體小型化的原因和保護對策。
  8. Based on the experimental results, several measures including the selection of high - yielding, high nutrient - efficiency variety, correct crop management practices to increase harvest index and returning rice straw to soil were suggested to keep nutrient ( particularly k ) balance in soil - crop system with high - yielding rice production

    根據試驗結果推薦了幾項高產措施,包括選用高產、高養分利用率品種、改進作物管理措施以提高收獲指數和稻草還田,在水稻高產生產土壤作物系統中保持養分(尤其是鉀)平衡。
  9. In addition, the approximate formula for coefficient k p, ki, kd is also suggested by using characteristic index of forecast control. finally, through emulation, the fractional - order pi ~ d ~ arithmetic is compared with the integer - order pid arithmetic. the availability of the strategies and stability of systems are proved by doing some analysis and simulation

    然後利用根軌跡的方法分析了擁塞控制系統的穩定性,並在此基礎之上採用廣義預測控制方法所應用的特性指標求出了k _ p , k _ i , k _ d的近似計算公式。
  10. In this equation k is the consistency index

    在這個方程中, k是稠度系數。
  11. The elements of vorticity, divergence, specific humidity, moisture flux divergence and k index etc. were benefited to the form and development of storm rainfall over the rainfall region

    降水區上空的渦度、散度、比濕、水汽通量散度、 k指數等要素有利於暴雨的形成和發展。
  12. The result indicated that, the output value per labour force, the output value of unit field area, the output value per person are the major indexes of the first principal components, the balance index of n, the output value per labour force and the pesticide quantity per unit field area are the major quotas of the second principal components, the balance index of p, the balance index of k and the output value per person are the major indexes of the third principal components

    結果表明:勞均產值、單位耕地產值、人均產值是決定第一主成分的主要指標;氮平衡指數、勞均產值、單位耕地施用農藥量是決定第二主成分的主要指標;磷平衡指數、鉀平衡指數、人均產值是決定第三主成分的主要指標。
  13. The correlativity between theoretical value and the actual value of soil moisture content in 93. 3 percent of observational stations is distinct. all this shows that calculational methods of zndx is more reason for studing the flood or drought of northwest chine. ( 2 ) index _ z and index _ k ca n ' t objectively remark extent of drought and flood event. both ca n ' t distinguish the difference of some years which have the same precipitation and have different temperature, awc

    西北地區10個代表站三種指數值的對比表明, z指數與k指數僅反映西北地區同期的降水,而zndx指數不僅反映了同期降水狀況,且與同期氣溫及前期氣候濕潤度有關。 ( 2 )通過z 、 k與zndx指數對西北地區旱澇等級的對比研究表明, z指數與k指數對西北地區旱澇等級的確定不具有客觀性。
  14. The corona activity of g, k, m type stars decrease with color index increasing as a whole

    但是m型主序星的冕球活動是隨色指數的增大而下降,這與m型主序星色球活動的行為相反。
  15. Thus, given a query point, its k - nn search in high - dimensional spaces is transformed into the search in the single dimensional space with the aid of cdt index

    該索引方法的提出基於以下觀察:首先, nb - tree和idistance都是採用單距離尺度轉化來縮小查詢空間。
  16. In order to avoid the difficulties arising from calculating the energy index k values of the reservoirs with hydraulics relations in the process, the coordinates rotation method is adopted to transfer the decision - making process for multi - reservoirs simultaneously to single reservoir alternate gradually

    採用坐標輪換法,將多庫同時供、蓄水決策轉化為單庫逐次輪換決策,可有效解決具有水力聯系的多水庫能量指數( k )求解困難。
  17. A directed balanced incomplete block design ( dbibd ) with order v, block size k and index a, denoted by db ( k, ? ; v ), is a pair ( x, a ), where x is a set of v points and a is a collection of transitively ordered k - tuples ( called blocks ) of x, such that each ordered pair of distinct points of x occurs exactly in a blocks

    一個階為v ,指標為及區組大小為k的有向平衡不完全區組設計, db ( k , ; v ) ,是指一個序偶( x , a ) ,其中x是一個v元點集, a是x的一族可遷有序k元子集(叫做區組) ,使得x中任意兩個相異點組成的有序對恰出現在個區組中。
  18. The paper puts forward a combined - allocation - scheme based on the idea of constrained - block - allocation at the storing allocation strategy and gives disk - striping about the storing of big capacity disk array. in the study about the access path of the multi - media data, we introduce several kinds of representative multi - dimensions data index structure including k - d tree, r tree, vp tree and so on. ( 3 ) the research of multi - media database system architecture.

    在存儲分配策略上根據受限塊分配( constrainedblock ? allocation )的思想,本文提出了聯合分配模式( combinedallocationscheme ) ;並針對大容量磁盤陣列的存儲給出了條形分配方案( diskstriping ) ;在多媒體數據的存取路徑的探討中,重點介紹了幾種有代表性的多維數據索引結構,有k - d樹、 r *樹、 vp樹等。
  19. In 1991, two kinds of nonsquare constants in the sense of james and schaffer were introduced by j. gao and k. s. lau. it is a quantitative index of nonsquare property and related geometric property

    Lau引入了在james意義下和schaffer意義下的兩種非方常數,是空間非方性質以及相關幾何性質的量化。
  20. Based on the climate data from 1961 to 2000 in northwest chine, a new flood / drought indeces - palmer _ z index ( zndx ) is introduced. by analyzing and contrasting k - index, z - index and zndx, demonstrated the rationality of zndx and again determined grades of flood / drought for zndx and regional flood / drought indeces. the modified zndx is recognized to be optimum for studing the flood or drought of northwest chine, acting to the result of comparing annual and season flood / drough grades with those of history

    本文利用西北地區1961 2000年月、日氣候資料,引進一種新的旱澇指數方法palmer _ z指數(簡稱zndx ) ,通過與國內現用的z指數值、 k指數值對比分析,及其所含參數計算值與實測值的對比分析,論證了zndx指數的合理性,並對其單站旱澇指數及區域旱澇指數等級進行修訂。
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