繁殖系數 的英文怎麼說
中文拼音 [fánzhíxìshǔ]
繁殖系數
英文
propagation coefficient-
The number of black - faced spoonbills found in minjiang estuary wetland, changle city has been increased to 12. after finding 2 endangered black - faced spoonbills on 1 march 2003 in tantou town, changle city, 10 more were found at the same place on 17 april, and 3 of them already had breeding plumage. it is estimated that the additional flock of black - faced spoonbills arrived here during migration and stopped by here to rest and feed
繼2003年3月1日在長樂市潭頭鎮的河口濕地發現世界珍禽黑臉琵鷺2隻后， 4月17日，筆者在該處再次發現黑臉琵鷺，數量達12隻，其中3隻已顯出繁殖羽的顏色，估計新增的黑臉琵鷺系遷徙途經閩江河口，在此停歇覓食。The results indicated that sows mated with us duroc boars produced slightly higher litter size ( 11. 88 ) than that mated with taiwan duroc ( 11. 54 ), but there was not a significant effect
結果表明，在繁殖力性狀上，美系杜洛克公豬所配母豬的產仔數略高於臺系杜洛克（ 11 . 88頭： 11 . 54頭） ，但兩者無顯著性差異。The purpose of this subject deals with the biological characters of megalobrama skolkovii dybowsky according to the results of convey of nature resource in heilongjiang waters, capture and transportation of brood fish, outer appearance, study of countable and measurable characters and all inner system, analysis of muscle composition, study of chromosome, and discuss the classification status, and also carried out the artificial fertilization
本課題通過對黑龍江魴進行資源調查、親魚采捕和運輸、外部形態、外部可數及可量性狀和內部各系統的研究、肌肉成分的分析、染色體的研究等實驗，重點研究黑龍江魴的生物學特性，並對黑龍江魴的分類地位進行了探討，同時對黑龍江魴進行了人工繁殖。So it plays an important role and demonstrates its unique advantages over other soil animals in the assessment of heavy metal contamination of environment ; this review first briefly summarizes some methodological systems and major parameters ( community structures, species character, survival, growth, reproduction, metallothionein, and enzyme ) used in the study of ecotoxicology and other related biomarkers in applying collembola in ecological risk assessment of polluted soils
本文簡要概述彈尾目昆蟲在污染土壤生態風險評估中、生態毒理學研究以及其他相關生物標志物研究上的一些方法體系及檢測主要指標參數（群落結構，種群特徵，生存率，生長率，繁殖率，金屬硫蛋白和酶活指標） 。This paper introduces the entropy of the genepool and the genetype of a pair alleles population in inbreeding, and demonstrates the character of genetype entropy, the character of inter - zygote ' s inter - entropy, and the relation between the latter and coefficient of inbreeding in the generation change
摘要研究了在近親繁殖下一對等位基因群體的基因庫信息熵和基因型信息熵，並討論了在世代交替中基因型信息熵的性質、配子間的互信息性質及其與近交系數的關系，並定義了配子間的近交關聯信息系數。( 3 ) inbreeding population to the population that the inbreeding coefficient is f, the population information entropy is a increase function when reach equilibrium in random matting system, that is when fix the f, the population have the largest information entropy ; population information entropy large or equal to the gene distribution entropy, less or equal the two time of gene distribution entropy
（ 3 ）近親繁殖群體證明了近交系數為f的群體在隨機交配下達到平衡的群體信息熵是f的增函數，即f固定時，其值最大；群體信息熵大於等於基因庫信息熵，小於等於基因庫信息熵的兩倍。By the crop residue input, priming effects of soil irjcrobe will take place, and decomposition and bio - fixation give rise to soil organic matter arid m in the up layer of soil. on the other hand, tillage accelerate ; ; the organic matter mineralization and leads to the quantity of organic matter decreasing in. or 10cm. layer which is about 1 / 2 of soil organic matter under no - tillage
覆蓋免耕使土壤上層的有機質和氮素穩定增加，這主要來自被激發的微生物繁殖時對碳和氮的生物固定，而傳統耕作則由於耕翻加速了有機物的礦化， 0 - 10cm土層微生物碳含量均一，其數值幾乎為免耕系統的一半。The minshan mountains black bears " population viability analysis ( pva ) has been carried out. the vertex software is used to simulate on population dynamics with the kind without inbreeding and inbreeding cause death same price coefficient is 3. 14, food poor harvest and human - caught as disaster change factors based on the already various parameters collected
在已收集的各項參數和環境資料的基礎上，以岷山山系內各縣所轄區域作為研究區域，運用vertex軟體，對沒有近親繁殖和近親繁殖致死等價系數為3 . 14 、食物欠收和人類誘捕為災變因子等影響下的種群動態進行了模擬。Therefore, the method hsc, simple in calcultion and reliable in analysis, could be used as an effective and reliable way to evaluate the yield and its stability of variety in regional test
高穩系數分析排位靠前的品種與各試驗點正進行的繁殖示範品種高度一致。The result of comparing bird species and quantities among four mangrove areas indicated that bird species and quantities in mangrove was positive correlated with area of mangrove, higher mangrove can providing breeding habitat for some herons and songbirds
4個樣地紅樹林中鳥類的種類和數量比較結果表明，鳥類的物種數和數量與紅樹林面積呈正相關關系，高大的紅樹林可以給鷺類和鳴禽提供繁殖場所。In the research on mitosis, cdc2 can inhibit p70s6k to coordinate the growth and reproduction of cells. however, in meiosis, the function of these ki - nases is not very clear
在有關細胞有絲分裂的報道中， cdc2通過抑制p ~ （ 70 ） s6k來調節細胞的繁殖與生長，但在生殖細胞發育減數分裂過程中，關于cdc2與p ~ （ 70 ） s6k的生理作用和相互關系還尚未明確。For the fe - 2 % c - 4 % v - 4 % mo - 5 % cr - x % w alloy system, the peak value of quenching appears in 950 - 1100. the peak value increases with the increment of w. when the content of w is 2 %, the temperature of temper hardening is 550. for the fe - 2 % c - 4 % v - 4 % mo - 5 % cr - 2 % w alloy, the appropriate quenching temperature can be controlled in 1000 1050 and the time of preserving heat is 12min
57 （原於百分比，人分析表明， mg的變質作用的產生是由於mg影響了合金元素的偏析，使得基體組織中合金元素含量增加，相當于使合金分配系數k更偏離於1 ，從而促進了形成縮頸、晶粒繁殖和成分過冷傾向。And development foregrounds is that propagation coefficient of the tip meristem culture is high and the range of increasing in yield is clear
莖尖組織培養前景廣闊，具有繁殖系數高、增產幅度大等特點。分享友人