natural breeding 中文意思是什麼
natural breeding
解釋
自然孵卵-
Environment factors influencing the natural breeding of captive crested ibis
環境因子對籠養朱?自然繁殖的影響 -
Studies on the mutation breeding of penicillium sp in the non - natural environment
非自然環境中選育青黴菌菌種的研究 -
Professor walter willms, the pasture management expert with agriculture and agri - food canadas lethbridge research center, and professor zhao mengli, specialist in pasture zoology at the inner mongolian agriculture university, were invited to deliver this training. zebai, the dean and grassland management specialist of sichuan grassland science academy, li caiwang and bian zhigao, the grass planting and livestock breeding specialists, and luo guangrong and yang pinggui, yak feeding and breeding specialists, gave presentations on how to improve livestock production grazing management systems, how to evaluate pasture health and the grassland zoology systems, how to manage grazing on the natural grassland and co - manage the grassland and keep balance between the grass and herds
此次培訓邀請了加拿大農業部韋斯布里奇研究院牧場管理專家walter willms教授和內蒙古農業大學牧場生態專家趙萌莉教授，四川省草原科學研究院院長草地管理專家澤柏，牧草種植育種專家李才旺卞志高，氂牛飼養育種專家羅光榮楊平貴，就提高牲畜生產的放牧管理制度，牧場健康和草地生態系統服務評估，天然草地放牧管理及草地共管和草畜平衡，冬春打貯草基地與免耕種草技術，氂牛適時出欄和氂牛雜交改良技術氂牛本品種選育等先進經驗模式進行了介紹。 -
The results showed that the total annual service value of forest ecosystem in yashushan natural reserve was up to 8. 9866 10 ^ 7 yuan ( rmb ), of which 7. 695 10 ^ 6 yuan for standing tree value, 1. 925 10 ^ 6 yuan for forest by - production, 7 10 ^ 5 yuan for cattle breeding, 2. 496 10 ^ 6 yuan for forest recreation, 3. 6805 10 ^ 7 yuan for water conservation, 5. 446 10 ^ 6 yuan for soil conservation, 1. 823 10 ^ 7 yuan for co2 absorption and o2 release, 1. 5732 10 ^ 7 yuan for environmental purification, 1. 37 10 ^ 5 yuan for nutrient storage, 7. 8 10 ^ 4 yuan for forest calamity prevention and 6. 24 10 ^ 5 yuan for gene resource
結果表明，寧化牙梳山自然保護區森林生態系統服務功能平均每年達8986 . 6萬元，其中各分項的生態服務功能價值為：活立木價值769 . 5萬元；林副產品價值192 . 5萬元；畜牧養殖價值70 . 0萬元；旅遊價值249 . 6萬元；涵養水源價值3680 . 5萬元；水土保持價值544 . 6萬元；固定co2和釋放o2價值1823 . 0萬元；凈化環境價值1573 . 2萬元；營養物質的循環和貯存價值13 . 7萬元；生物防害價值7 . 8萬元；基因資源價值62 . 4萬元。 -
Both have been on the verge of extinction due to poaching and habitat fragmentation. in order to enlarge the population size and recover the wild populations, ex situ conservation strategy has been advocated by the governing agents in china through natural or artificial breeding in captivity
為了拯救此二物種，我國政府主管部門相繼制定了人工易地保護的物種保護策略，以期通過人工圈養條件下的自然繁殖和人工繁殖，達到增加種群的數量，促進野生種群恢復之目的。 -
This study deals with butterfly diversity and assessing endangered species in natural reserve of baishuijiang in gansu province. the research includes field investigation, observation at certain time and places, captive breeding in experimental area, capture - recapture etc. the biology of four important butterfly species is studied, especially focusing on the natural population life table, habitats, population structure and mobility of byasa impediens. the population developing trend and key factor that result population decline and fluctuation of troides aeacus and byasa impediens are analysed
本文在甘肅白水江自然保護區碧峰溝通過野外調查、定點定時觀察、實驗地飼養、標記重捕等方法研究了碧峰溝的蝶類多樣性並進行了局部瀕危評估；研究了四種重要蝶類的生物學特性；對長尾麝鳳蝶的生境、自然種群生命表、種群結構、種群移動性進行了深入研究，並估測了各種種群參數，分析了種群發展趨勢。 -
In this study, systems of rapid propagation of the cultivars such as d. zingiberensis, d. panthaica and d. composite were setup to find the best way to meet the need of producing, and to establish the base of introduction, breeding and cultivar improvement of foreign dioscorea with high diosgenin ; in addition, there are two strategies to obtain polyploids combining with chromosome engineering : screeding natural mutations and mutation breeding were carred out on d. zmgiberensis. exploratively studies were done on rapid propagation of the three dioscorea plants. the result showed : explants of d. pathaica obtained the appreciate propagation efficency on ms + ba1. 0mg / l + naa0. 1mg / l, ms basic medium containing 6. 0mg - 1 ba, l. 0mg - 1 kt and sucrose at 30gl - 1 or 60g1 - 1 was the appreciate medium for microtuberization
三種薯蕷屬植物離體再生體系培養條件的探索試驗結果表明：黃山藥外植體適宜的增殖培養基為ms + ba1 . 0mg / l + naa0 . 1mg / l ，微型塊莖誘導為ms + ba6 . 0mg / l + kt1 . 0mg / l + 3蔗糖，高濃度的蔗糖含量（ 6 ）能提高微型薯蕷的誘導率，但對其誘導起關鍵作用的還是ba的濃度；菊葉薯蕷增殖效果較好的培養基為ms + ba1 . 0mg / l ，以ms培養基為誘導微型薯蕷的最佳選擇，誘導率可達50 ；盾葉薯蕷最適宜的增殖培養基為ms + ba2 . 0mg / l ，在誘導微型薯蕷的實驗中發現，當ba濃度為6 . 0mg / l和8 . 0mg / l時， 15d左右節間處膨大形成綠色圓球狀小塊，但繼續培養其上則開始分化芽。 -
This paper firstly focused on and evaluated the pollination characteristics of c. praecox, in half - natural habitat of nanjing. we investigated flowering phenology, flowering patten, pollen viability, stigma receptibility, species of visitors, visiting rate of visitors and their foraging behavior. and we also investigated its breeding system, including pollen - ovule ratio ( p / 0 ), out - crossing index ( oci ), pollen grains deposited in stigmas, pollen germination rate and seed set rate with different treatments, from 2002 to 2004
試驗分別在2002 - 2003年和2003 - 2004年冬季進行，研究內容包括：花期物候觀察、花部形態觀察和統計、雌雄配子體功能測定、訪問昆蟲種類、訪問行為、訪花頻率和效率；同時對蠟梅繁育系統進行了檢測，檢測內容包括花粉胚珠比（ p / 0 ） 、雜交指數（ oci ）及不同處理花粉萌發率及結實率檢測等等，同時還進行了蠟梅與亮葉蠟梅傳粉過程比較。 -
For purposes of illustration, i have stressed the importance of post - harvest activities, but i might just as easily have written instead on pre - production activities such as the development of commercial fertilizers, whether natural or synthetic, and their acquisition by farmers, as well as innovations in seed and animal breeding, including most recently, of course, the development and employment of genetically modified organisms gmos
為了證明這一方法的必要，我舉證了季后活動的重要性。我當然也可以毫無困難地舉證耕前活動：例如商業肥料的發展、無論是自然肥料還是合成肥料；農民們取得肥料的途徑；種子和動物培育方面的發明；還有近來的基因改造生物體的發展與運用。 -
Part 1 ( chapter 1 ) is made up of 2 sections : ( 1 ) retrospects and research progress of ecological economics theory : the author describes here the theoretical origin of ecological economics and points out the 3 great leaps forward that contemporary studies on ecological economics undergo, namely, a ) the ecological resources themselves were recognized to possess the important " natural value " ; b ) the breeding of the ecological capital is embodied to form the core of sustainable development ; c ) the property rights economics is introduced to analyze the problems arising from ecological economics. finally, development of ecological economics theory in china is also briefly introduced
第一部分（第一章） 《生態產權市場的基礎理論》是對生態產權市場理論的研究述評，主要內容包括兩部分： （ 1 ）生態經濟理論研究的歷史回顧與進展：描述了生態經濟學的源流；生態經濟學的理論淵源；當今生態經濟理論研究的三大進展，即一是認識到生態資源具有「天然價值」 ，二是把生態資本的增值納入可持續發展的核心，三是把產權經濟學引入生態經濟理論分析；最後簡介中國生態經濟理論發展。 -
Genetic algorithms mimic darwinian natural selection, where " fitness " selects individuals for survival, breeding, and, hence, adaptive mutation
遺傳演算法模仿達爾文的自然選擇，其中「適應性」選擇進行生存、繁殖以及由此而來的適應性變異的個體。 -
Noting that there is concern about whether mangroves found at the seashore in the area was a breeding ground of the je vector, mr yuen said salted water is not the natural habitat for culex tritaeniorhynchus
至於有人士關注該區海旁的紅樹林是否日本腦炎病媒的滋生地點，袁銘志表示鹹水並不是三帶喙庫蚊的滋生地。 -
That ' s an increase from 12 births in 2005 and just nine in 2000. of last year ' s births, 14 came through natural breeding, while artificial insemination or a combination of the two produced the rest
這個數目比起2005年的12頭增加不少，而2000年合計才9頭。去年出生的熊貓中， 14頭是自然交配的成果，其餘則是透過人工授精或是綜合上述兩種方式而誕生。 -
Containing bifidobacterium breeding factor rich in soybean lecithin this natural drink contains no cane sugar and low calorie
該品是目前唯一既含有豐富的大豆卵磷脂，同時又不含膽固醇和飽和脂肪的飲品。 -
As natural habitats disappear, conservationists working on a wide range of species are looking to captive breeding as a bridge to long - term survival
天然資源保護論者找尋更多正在日漸消失的物種進行人工繁殖，試圖使他們不至絕種。 -
This paper is based on " study for china ' s space breeding management system and decision support system ", the project which was supported by the nationa1 natural science foundation of china. after ana1yzing the prob1ems of management in the fieid of space breeding, we propose a solution of constructing the space breeding management system, which is based on the technology of workfiow management
本文是以國家自然基金資助項目「我國農林航天育種科技產業的技術準備及管理體系的研究」為研究背景，針對當前航天育種領域所存在的管理上的問題，提出基於工作流技術的航天育種管理體系建設的構想，並介紹了其中搭載申請評估子系統的具體設計和實現細節。 -
Give full play to the traditional advantage of breeding of mulberry silkworm and ramie planting to increase the production and quality of natural fibre materials such as cocoons, hemp and cotton
充分發揮我省桑蠶養殖傳統優勢和苎麻種植優勢，提高繭、麻、棉等天然纖維原料的產量和質量。 -
For the purpose of dealing with the serious problem, our research and development team is dedicated to using natural herbs to manufacture feed additives for improving meat quality and taste after repeated breeding trials
針對這一嚴重問題，深圳中寶天然生物科技發展有限公司的科技人員經過反復試驗，用多種維生素和微量元素及天然植物製成改善肉質風味的復合預混合飼料 -
Based on genetic diversity, natural strains of a. implicatum, that contained plant fitness - enhanced characters but toxin - free to livestock, would be able to selected for brachiaria breeding. based on rapd analysis, a common product about 500 - bp to all isolates of a. implicatum that amplified with primer opak10 was cloned and named as p ai ak10 - 500
Implicatum的自然株系中篩選有利旗草生長、但卻不產生家畜毒性物質的優良菌株提供了可能，為旗草的抗性育種和高產育種提供了新的資源和方法。 -
In northeast india, for example, poor management of fisheries and destruction of natural breeding grounds has resulted in a depletion of the fish population in the area ' s abundant waterways
以印度東北部為例，漁業經營不善和天然繁殖環境遭受破壞，早已致使河道豐富的當地面臨魚類資源枯竭殆盡的窘境。
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