繁殖率 的英文怎麼說
中文拼音 [fánzhílǜ]
繁殖率
英文
breeding coefficient-
However, reproduction rates of some insects such as aphids are influenced by nutrition.
然而，一些昆蟲的繁殖率，如蚜蟲等是受營養影響的。Towards the end of the plover breeding season, the rate of female divorce declines
在鳥的繁殖期快要結束的時候，雌鳥離婚的比率就下降了。Deng wh, gao w, zhao j. 2004. breeding biology of grey - faced buzzard in northeastern china. journal of raptor research 38 : 263 - 269
王海濤、高瑋、萬冬梅、劉多、鄧文洪. 2003 .利用天然樹洞繁殖的五種鳥的巢位特徵及繁殖成功率.生態學報， 23 ： 1377 1385The efficiency of reproduction may decline as a result of seasons.
繁殖效率可能受季節的影響而下降。As one of the contracted agricultural technology extension project in shanxi province, the jinnan cattle feeding and management technical package exte nsion project, assigned by science and technology committee of shanxi province i n 1999, directed on the problems, such as extensive cattle feeding and managemen t, low sale percentage of commercial beef cattle, low meat production, low repro ductive survive rate of cows and poor economic returns, to increase the scientif ic contents and economic returns of cattle industry by adopting technical packag e including beef cattle crossbreeding, beef cattle feeding and management, cow ' s feeding and nutrition, calf raising, stover processing, and supplementation for grazing cattle in winter and spring etc
「晉南牛飼養管理配套技術推廣」是山西省科委1999年度下達「山西省農村技術承包」項目，其目的是針對我區廣大農戶養牛飼養管理粗放、商品牛出欄率低、產肉率低、母牛繁殖成活率低、經濟效益差等缺點，通過採用肉牛雜交改良、改良肉牛飼養管理、加強母牛飼料營養、犢牛培育、秸稈氨化、放牧牛冬春補飼等配套技術，達到提高養牛業科技含量，增加養牛業經濟效益的目的。Directed on the present situation and existing problems in boosting beef cattle industry based on the yellow cattle improvement in china, the review indicated that several relationships, such as integration of individual households and large scale cattle farms, integration of yellow cattle improvement, crossbreeding, breed conservation and utilization, integration of high grain diet intensified fattening and low grain diet economic fattening, should be handled properly ; and the requirements of profitable cattle industry for increasing reproductive survive rate, using hybrid vigor and improving the weight gain, the main factors affecting economic return of large scale cattle farms and the technology level improvement in cattle industry were duiscussed as well
本文就近來我國以黃牛改良為特點的肉牛業蓬勃發展現狀與存在問題，指出應處理好養牛經營形式千家萬戶與規模牛場相結合、黃牛肉用與肉役兼用相結合、黃牛改良選育與雜交、保種及利用相結合、高精料強度肥育與低精料適度育肥相結合等幾個問題；並就提高養牛經濟效益對提高繁殖成活率、充分利用雜種優勢、提高日增重的要求和影響規模牛場經濟效益的主要因素及如何提高養牛科技水平等問題提出探討。The polyester fibre of resisting bacterium is one without which people can t live in modern times, but how to restrain the bacterium propagating excessively and keep people in health is a most important goal that fabrics and clothing industry are striving for. fibre of resisting bacterium can kill the bacterium effectively with the ratio of more than 99 % and it can restrain microbes. the polyester fibre of resisting ultraviolet radiation is also widely used. with the decreasing of ozonospheres in the atmosphere, there are more ultraviolet radiation in the sunlight which do harm to our skin, especially for those men working outdoors, it is more important to think about the way to lessen the harm. the polyester of burning - resisting has attracted more attention at home and abroad and burning - resisting textiles has been advanced definitely by law in many countries. our nation has also made strict claims in some special areas, such as fabrics in vehiciles and vessels, decorative fabrics in hotels. the everlasting burning - resisting fibres and textiles are badly needed. infrared ray fibre is also a new functional one that can absorb and reflect infrared ray after being processed physically. it s functions include physical therapy wet - ejecting and bacterium - restraining. this warm - preserving material can absorb the emitting heat from our bodies, at the same time it can also absorb and reflect the needed 4 - 14 urn wavelength ultraviolet radiation and accelerate netaboiism. fibre of resisting infrared ray is important in military areas
抗菌纖維具有永久的抗菌性，對金黃色葡萄球菌、大腸桿菌殺菌率大於99 ，能有效抑制細菌繁殖，起到抗菌防臭作用；抗紫外線聚酯纖維的用途也是異常廣泛的，隨著大氣層中臭氧層的日漸稀薄，日光中的紫外線日益增加，對人體皮膚形成極大危害，尤其對于長期從事野外工作的人，因此設法減少紫外線對人體的傷害顯得尤為重要；阻燃聚酯纖維則是一種倍受國內外人士密切關注的纖維，紡織品阻燃在許多國家已有明確法令規定，我國也逐漸在某些特殊使用范圍做嚴格要求，如車船內用紡織品，高級賓館的內裝飾織物等，而且具持久性阻燃性的纖維和織物是現在更為需要的，真可謂用途非常廣泛；遠紅外纖維也是一種經過物理改性后具有吸收並反射遠紅外線的新型功能性纖維，是一種具有優良理療功能、熱效應功能和排濕透氣抑菌功能的新型紡織材料及保溫材料，能吸收人體自身向外散發的熱量，吸收並反射回人體最需要的4 14 m波長的遠紅外線，促進人體的新陳代謝；抗紅外線纖維，則在軍事上有著重要的作用。Intensifying the problem is the slow reproduction rate of the reptiles. on average, female tuatara mate once every four years, and eggs take between 11 and 16 months to hatch
更糟的是，這種動物繁殖率很低。平均來說，雌性每4年才交配一次，而卵需要11 - 16個月時間孵化。Efficient methods of vegetative propagation and improved screening techniques are also required.
高效率的無性繁殖法和改良的鑒定技術也屬必需。In the periods of peak zooplankton abundance ， that is ， in the late ring and in the summer ， haney recorded maximum daily com - munity grazing rates ， for nutrient - poor lakes and bog lakes ， re ectively ， of 6. 6 percent and 114 percent of daily phytoplankton production
在浮遊動物數量激增的高峰期，亦即在春季後期以及夏季，哈尼記錄了最大程度上的每日群落食草比率，對于營養物不充足的湖和沼澤湖而言，分別為每日浮游植物繁殖量的6 . 6 %和114 %In the periods of peak zooplankton abundance, that is, in the late spring and in the summer, haney recorded maximum daily community grazing rates, for nutrient - poor lakes and bog lakes, respectively, of 6. 6 percent and 114 percent of daily phytoplankton production
譯文:在浮遊動物數量激增的高峰期，亦即在春季後期以及夏季，哈尼記錄了最大程度上的每日群落食草比率，對于營養物不充足的湖和沼澤湖而言，分別為每日浮游植物繁殖量的6 . 6 %和114 %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） 。Genetic control is critical for maintaining variability and avoidance of inbreeding, ensuring the long - term viability of captive nonhuman primate colonies
對非人靈長類動物種群實行遺傳學控制，對于維持種群的遺傳多樣性，提高動物長期的生存力和繁殖率，滿足醫學生物學實驗需要具有現實意義。Eight steps to improving herd fertility
提高畜群繁殖率的八個步驟" whale sharks, like many other shark species, are highly vulnerable to over - exploitation due to their long and low reproductive rate, " commented callum roberts of york university in the uk, who has researched whale sharks extensively in the caribbean
他說， "由於鯨鯊的生命期很長，繁殖率又低，因此和很多其他的鯨類一樣，鯨鯊正面臨著被過度捕獵的危險。The venerable master : although the current birth rate is high, how do you know that living beings that are dead doesn ' t outnumber people who are alive
上人：現在人口繁殖率雖高，但你怎知死去的眾生不比生存的人多？Good dams ? the gos is a milky breed and a good dam. in many cases, sows will continue breeding at a greater age than many breeds and hybrids
繁殖率高- - - - - - - - - -格洛斯特郡斑點豬的繁殖性能非常好。無論在什麼情況下，母豬比其它的品種和雜交豬種使用年限長。A better understanding of follicular dynamics and its regulation is of great importance both for the improvement of animal reproductive productivity and birth control in human beings
摘要了解卵泡發育動態及其調控機理對于提高動物繁殖率和控制人類生育，都具有重要的意義。Vietnam also has reported recent cases of blue - ear disease. the disease causes reproductive failure in female pigs and breathing difficulties in young pigs ， old pigs they also be affected
越南也報告在近期有一些豬藍耳病的病例。這種疾病使得母豬繁殖率低，小豬呼吸困難，成年豬也會有所影響。The algorithm can implement the diversity of solution, avoid converging local optimal solution, and prevent the possibility of losing optimal solution effectively, by holding some optimal chromosomes in each generation and introducing expectation reproduction rate
通過保留每代最佳的若干染色體以及引入期望繁殖率的概念，本演算法可以實現解的多樣性，避免收斂于局部最優解，同時可以有效的防止在進化的過程中失去最優解的可能性。分享友人