negative correlation 中文意思是什麼

negative correlation 解釋
負相關
  • negative : adj 1 否定的 否認的;拒絕的 (opp affirmative); 反對的 反面的;消極的。2 (opp positive) 【電...
  • correlation : n. 相互關系,相關(性);對比;交互作用;【數學】對射,異射。 correlation index 關聯指數。 correlation mineral 對比礦物。
  1. The lowest species diversity occurs in the community iv in which microlepia sino - strigosa ching is the dominant species, while the highest species diversity occurs in the community i. in the communities studied, the total related differences vr are from 7. 19 to 4. 95, and the test statistics w are from 229. 96 to 49. 95, which indicates a notable positive correlation among species which have consanguineous relationships each other in the communities and the communities are in a fairy stable period. from the test of the interspecific relatedness among species in the communities we know that s. tsinyunensis present negative correlations with all the concomitance species, among which there are 8 species pairs of notably negative correlation and 51 species pairs of extremely notable negative correlation

    4 )群落主要物種間聯結性檢驗中,對各個群落調查的物種和種對依次為(從群落) : 20種44對、 11種38對、 16種42對、 13種16對、 11種26對、 14種51對、 14種20對、 17種51對,其中縉雲黃芩與群落中其主要伴生物種間全部表現為負聯結,其中有9個種對間聯結性達到顯著水平,有50個種對間聯結性達到極顯著水平。
  2. The negative correlation of the dry matter production to the age class of rhizome indicates level of significance ( p < 0. 05, po. ol ) in leymus chinensis, calamagrostis epigeios and c. rigidula populations

    羊草、牛鞭草和硬拂子茅種群根莖的干物質積累量與齡級間的負相關關系達到顯著和極顯著水平。
  3. Further more, the coherence between circulation and olr are calculated and analyzed. the results show that there is positive correlation between australian high and the precipitation of middle and low reaches of yangtze rivers, and negative correlation between okhotsk and the precipitation of middle and low reaches of yangtze rivers

    由相關分析得出,春季鄂霍次克海區與澳大利亞高壓區和長江中下游地區夏季olr值分別表現出較好的正相關和負相關,表明這兩個地區位勢高度場的變化與夏季長江中下游地區降水多少有著密切的關系。
  4. The penetrance of yellow seed shows a weak correlative relationship with its oil content and significant negative correlation relationship with the grade of yellow seed penetrance

    結果表明,甘藍型黃籽油菜是一個不同黃色程度的黃籽組合體,甘藍型黃籽油菜黃籽外顯率品系間差異顯著,單株間差異較大。
  5. The result manifests in the pearson " s correlation coefficients : e dimension has significant positive but low correlation with mature and neurotic defense factors ; n dimension has significant positive correlation from medium level and decreased progressively with immature neurotic and mature defense factors ; p dimension has simular phenomenon as n dimension while l dimension has negative and medium level of negative correlation with pretence factor

    在dsq與epq的相關結果表明: e維度與成熟型和中間型防禦因子有低的正相關; n維度與不成熟、中間型和成熟型相關從中等依次遞減; p維度的情況與n維度相若; l維度與掩飾因子中等程度的負相關。
  6. The activity of cold air and interannual variation of low level jet are important cause of interannual variation of the rainfall in april. interannual variation of subtropic high is the main cause of interannual variation of the rainfall in may over north china. there is significant negative correlation between interdecadal variation of the rainfall in april and that of sst in the areas of equatorial indian ocean and tropic middle - east pacifi

    華北4月降水與熱帶中東太平洋、赤道印度洋海溫年代際變化呈明顯的負相關:華北5月降水與熱帶中東太平洋、赤道印度洋海溫年代際變化存在明顯的正相關:熱帶海溫的年代際異常引起的副熱帶高壓的年代際異常可能是影響華北4 、 5月降水異常的重要原因。
  7. The relationship between the ratio of state - owned stock and the enterprise evaluation is significantly negative correlation. the correlation between ratio of corporate stock and the enterprise evaluation is significantly positive correlation

    國家股比率與並購后企業價值明顯負相關,法人股比率與並購后企業價值明顯正相關。
  8. The strongly negative correlation between winter sea - ice extent of davis strait and july rainfall of north china turns into weaker correlation

    冬季戴維斯海峽海冰是影響華北7月降水的「強信號」 。
  9. The apparent characteristics of interdecadal variability of interannual relationship between winter sea - ice extent of davis strait and summer, july and august rainfall of north china are : the strongly negative correlation between winter sea - ice extent of davis strait and summer rainfall of north china turns into bad correlation

    冬季戴維斯海峽海冰面積與華北7月降水在年際變化尺度上有明顯的反相關關系。冬季戴維斯海峽的海冰面積增多(少) ,同年華北7月降水偏少(多) 。
  10. Under the low temperature, the in - crease of indoor activity would make the opportunity. the rat will move to resident for the sake of lacking food that benefited the spread of virus between the rat, and cause easily epidemic situation breaking out. the ground temperature was negative correlation to the incidence of endemic typhus

    在低溫條件下,人群的室內活動增多,加上室內門戶密閉、通風不暢,容易增加呼吸道傳染病的感染機會;環境溫度過低,野外沒有水和食物可尋,鼠就要向居民區遷移,致使室內鼠密度增高,有利於病毒在鼠間傳播,容易引起人間疫情爆發流行。
  11. Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements

    利用5個具有不同纖維品質性狀的品種(系)配製完全雙列雜交組合20個,通過親本和f1的2年隨機區組試驗發現產量性狀的鈴重和衣分與環境的互作效應小,不存在母體效應,並以加性遺傳效應為主,分別占表型方差的51 . 2 %和65 . 4 % ;顯性遺傳效應所佔的比率也較高,分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體平均優勢較大,分別為13 . 3 %和3 . 5 % ,達到了極顯著;鈴重的超親優勢為2 . 0 % ,不顯著;衣分為顯著的負值( - 2 . 1 % ) .遺傳分析與雜種優勢結果一致.具體表現在產量性狀上,親本相當配製的組合雜合顯性較高,其超親優勢正向顯著,而極值親本(差異較大)所配組合沒有超過高親的.這表明親本差異小、親源關系較近的親本中仍然存在足夠的遺傳變異或某種機制以創造變異使育種取得更大的進展.相關分析表明了仍然存在嚴重的品質與產量的負相關,遺傳改良的難度較大
  12. The correlation analyses were conducted for the rations between the vegetation indices and the sampled grass yield data which were taken as the grassland biomass quotas. the results indicated that there are quite high correlations between the vegetation indices and the grassland yield data. among them the rvi has the highest correlation coefficient, ndvi in the next, and then successively tvi, msavi, infrared index, savi, gvi, dvi and w vi, but bvi has the lowest correlation coefficient that there is a negative correlation coefficient between bvi and the biomass

    對各種常用植被指數和草地生物量進行相關分析,由分析結果得出,比值植被指數( rvi )與草地生物量的相關性最高,相關系數達到0 . 885 ,其次為ndvi ,然後依次為tvi 、 msavi 、紅外指數、 savi 、 gvi 、 dvi和wvi ,而bvi與草地植被生物量呈負相關關系,且相關性最低,總的來說,遙感植被指數和草地生物量具有較好的相關關系,因而,利用植被指數來建立草地生物量監測模型是可行的。
  13. The results indicated : ( 1 ) the significant gender and grade differences of college students " cdmse were demonstrated, but there were no significant differences in specialty. ( 2 ) generally, with the development of grades, college students " cdmse scores showed a high - low - high developmental trend. ( 3 ) a significant negative correlation between cdmse scores and trait anxiety at the. 01 level was reported, as well as between cdmse scores and internal - external locus of control

    研究結果表明: ( 1 )大學生在擇業效能感上存在顯著的性別和年級差異,並不存在專業差異; ( 2 )就總體而言,隨著年級的升高,大學生的擇業效能感呈現出高-低-高的發展趨勢; ( 3 )大學生的擇業效能感與特質焦慮和內-外心理控制源之間都存在極其顯著的負相關,特質焦慮和內-外心理控制源之間則存在極其顯著的正相關。
  14. There was a positive correlation between protein content and average daily temperature and average sunshine time during heading to maturation, but a negative correlation existed between protein content and average diurnal variation of temperature in this period

    蛋白質含量與抽穗成熟期間的平均日均溫和平均日照時數呈正相關,與平均晝夜溫差呈負相關。
  15. The petiole and leaf lengths and leaf widths and cork thicknesses and seed widths of the quercus variabilis communities appeared to have a second - degree parabola relation with the latitudes of the communities ; the petiole lengths and leaf lengths and cork thickness appeared to have a clear second - degree parabola relation with the elevations of the communities ; the leaf and seed lengths appeared to have a clear positive correlativity with the elevations ; the seed lengths had a typical negative correlation with the elevations

    栓皮櫟種群的葉柄長、葉長、葉寬、栓皮厚度、種長和種寬隨緯度呈現出二次拋物線關系;葉柄長、葉長和栓皮厚度隨海拔高度呈現明顯的二次拋物線關系;葉寬和種寬隨海拔高度的變化呈現出明顯的正線性相關;種長與海拔的關系為一種典型的負線性相關。
  16. The main results indicated that : significant differences exist in diurnal average transpiration rate and the range of diurnal transpiration rate ; the transpiration rate of sawtooth oak, amorpha, lalang grass varied with a regular double apex rhythm, but that of the rest varied with a regular single apex rhythm, stomatal conductance play a maximal important role in transpiration rate, temperature ( air temperature, the earth ' s surface temperature ) also influence the transpiration rate ; transpiration rate has prominent negative correlation with the relative air humidity, the biggest coefficient is 0. 866

    筆者對日照沿海防護林幾種主要木本植物和草本植物的蒸騰速率和環境因子的關系進行了研究,結果表明: 8種植物日平均蒸騰速率和蒸騰速率日變幅各異;麻櫟、紫穗槐和白茅的蒸騰速率日變換呈現出雙峰式的變化規律,其它5種植物蒸騰速率表現為單峰式的變化規律;氣孔導度影響著植物的蒸騰速率,溫度(氣溫、地面溫度)是影響植物蒸騰速率的主要因子;空氣相對濕度和蒸騰速率表現為顯著或極顯著負相關,相關系數高達0 . 866 。
  17. The major driving factors for farmland change in yulin region are total population, the average farmer income and the proportion of agricultural labors, and there is a negative correlation between farmland area and the factors including total population, total crop production, total rural social production value and total social input

    典型區(榆林地區)耕地變化主要驅動力是總人口、農民人均年收入和農業人口比重,而總人口、糧食總產量、農村社會總產值和社會總投入與耕地面積呈負相關。
  18. Mean, variance, standard deviation, coefficient of variation of fourteen vital morphological characters indicated that great diversity existed either among species or among populations, with cv ranging from 28. 89 - 122. 36 % ( except dtm, which has a cv of 4. 72 % ). correlation analysis indicated that il showed a significant positive correlations with pfk ll and lw ( p < 0. 05 ), but a negative correlation with nm ( p < 0. 05 ). there were also strong positive correlations between each other of ll, lw, la and sw

    相關分析表明,節間長度與株高、葉長、葉寬呈顯著正相關,而與主莖節數呈顯著負相關;葉長、葉寬、葉面積、千粒重四個性狀相互之間存在極顯著正相關;干重和單株種子產量兩者之間存在極顯著正相關;出苗率與千粒重之間存在顯著負相關;生長習性與分枝數之間存在顯著正相關;全生育天數與生長習性之間存在顯著負相關。
  19. With the exception of the tropical western pacific of large mld. there is negative correlation relationships between the anomaly of the sst mjo intensity and that of the mld in the other three regions in the seasons of the climatic small mld thus the causes of climatic and anomalous characteristics of atmospheric mjo are related to sst identically, and the corresponding features of sst mjo are related to mld, 3 ) enso is the strongest sign and can lead to the distinct sst and mld anomaly, hence the intensity anomaly of the air - sea system inevitably takes place during the enso

    Sst季內振蕩強度與mld異常的局地同時性相關結果是,熱帶西太平洋無顯著相關(氣候mld較大) ,其餘三關鍵區氣候mld小的季節均存在sst季內振蕩強度與mld異常的負相關聯系。因此大氣季內振蕩氣候及異常特徵直接成因一致地與sst 、有關;海洋季內振蕩相應特徵則直接與mld有關。 3 ) enso是海氣系統中最強異常信號,在海洋中它引起了sst 、 mld的明顯異常,因此,伴隨enso必然發生海氣系統季內振蕩強度的異常。
  20. Significant negative correlation was observed between the initial time of runoff incidence, runoff and soil loss under the hedgerow ecosystems and soybean monocropping pattern, with significant positive correlation between runoff and soil loss

    在人工模擬降雨條件下,百喜草、黃花菜植物籬笆生態系統水土保持效應在植物籬笆的生長後期更為突出,而且與雨強有顯著的正相關關系。
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