Galileo strongly fought against the traditional ideas of the aristotle ' s theories, and he formed the thought of identity, continuance and dialectical materialism in course of his scientific research. he had written the book dialogue concerning the two chief world systems - ptolemaic and copernican to refute the theory that the earth was static, and push the copernicus " revolution forward by protecting and advocating the cosmic principle of copernicus ; he get many scientific theories by making a thorough study of motion, so provided the materials need of which newton was ; he applied the scientific method firstly in history of science which combined mathematical inference with experience and observation organically, and entrusted modern meaning to some old - time methods, so advanced the development of scientific knowledge greatly and began the history of modern physics
伽利略強烈反對亞里士多德式的傳統思維觀念,在長期深入的運動研究中發
展了同一性和連續性思想,以及把物質性質劃分為兩類的機械唯物主義思想;他著書立說駁斥「地靜說」 ,捍衛和宣揚「地動日心」的宇宙結構,推動了「哥白尼革命」 ;他深入研究運動,獲得大量科學理論,為
牛頓綜合提供了豐富的材料;他在科學史上首次使用數學演繹與觀察實驗有機結合的科學方法,並賦予一些古老研究方法以現代含義,大大推進了科學認識的發
展,開創了現代物理學歷史。
Formerly a drinking establishment, this saloon has been turned into a shootin gallery so all the greenhorns, cowpokes, dudes and outlaws who visit westernland can have a shot at becoming the " best in the west.
這一間由酒吧改建成的射擊場,菜鳥也好西部
牛仔也好,誰都可以在此大顯身手!快來接受挑戰,一
展您的神槍手英姿吧
Based on large amounts of investigations on domestic dairy housings at present in beijing and aimed at dairy breeding technology - dairy building parameters - dairy structure, this paper made the portal frame of light - weight steel structure in cowshed to be the researched case and elaborated the theories and methods of structure optimization of portal frame of light - weight steel structure in cowshed. at last, some conclusions were drawn
本文在大量調查研究的基礎上,針對目前我國
牛舍發
展落後的現狀,針對北京地區,從成乳
牛舍內飼養工藝?成乳
牛舍建築參數確定?成乳
牛舍結構角度出發,選取輕型門式剛架
牛舍作為研究對象,闡述了輕型門式剛架
牛舍結構優化的理論和方法,並取得了一些結論。
It is a modern comprehensive hogpen that can put out 5000 - ton feedstuff and 12000 pigs, and it is a sample pig - feeding factory in henan food company. the company employs the techniques of " pregnant pig in fence, mother pig in lactation put into nest, baby pig put into net " and cross breed mode of duroc ox changba ox about gram 0, breeds baby pig and feeds them by they own ability. the hogpen is managed in a close condition and production streamline with good and reasonable structure
邦傑黃
牛示範養殖場是河南邦傑食品股份有限公司經國家發改委批準的十萬頭肉
牛屠宰配套項目之一,項目完全建成后,將形成肉
牛繁育肉
牛育肥飼料加工和有機肥加工一個有機整體,與公司的肉
牛屠宰深加工產業相配套,使企業形成從養殖到屠宰加工銷售服務一條封閉式產業鏈,可帶動農戶2萬多戶,增加就業崗位9000多個,對周口農區的農業結構調整,促進畜牧發
展和帶動農民快速致富奔小康將發揮巨大的推動作用。
Application and research progress of dna paternity testing in dairy cattle
親權鑒定在奶
牛生產中的應用及研究進
展
Investigation and study on ongoing dairy cattle breeding region of tanshan city
唐山市奶
牛養殖小區發
展現狀的調研
Our company took the lead in establishing a factory specialinzing in producing inflatable models and balloons in 1995. for the last 10 years, with great support and concern from all circles of society and by a common effort of our staff, the enterprise isadvancing in agreat stride, to be the biggest prodution center in china for producing inflatable models and balloons, with a activeties scope from production, marketing, design and research. the company has full range of products, such as : inflatable models and balloons made by pe, pvc complex film, nylon cloth, oxford, reinforced oxford, euphotic oxford, and also inflatable toys. pop commericials, and swimming articles, etc. the company also has a strong technical force : all the products with a unique creative idea, carefully selected materials, vivid and vast sculpt, also can be equipped with computer controlled lighting and sounding system. the lighteing inflatable model is the first in china and has obtainde a patent. the inflatable products, which have a spectacular and impressive visual effect, can be put on advertisement, celebration ceremony, and business activities, giving a commercial culture atmosphere into the citys sight. they are the best choice of advertisers and business people with insight
本公司於1995年在國內率先創建氣模氣球生產專業廠家,十年來,在社會各界關心支持和全體員工共同努力下,企業發
展突飛猛進,現已成為集生產銷售設計科研為一體的國內同行業最大企業,成為國內最大的氣球氣模生產基地。產品品種全: pe pvc復合膜尼布
牛津布增強
牛津布透光
牛津布等材料的氣球氣模,以及充氣兒童玩具pop廣告物水上泳具等產品應有盡有發光氣模等多項產品屬國內首創並獲專利,其產品一旦充而擴之,投放于廣告慶典商務活動,視覺效果巍為壯觀十分搶眼,不僅為都市空間增添了一道亮麗的商業文化景線,更為現代廣告人商人慧眼所識。
The museum includes a 6 - meter - high gate tower, two pigpens, several domestic units, a kitchen and a cattle shed. agricultural tools, furniture and photo are displayed inside the museum to give you the idea of the villager s life
館內包括一座六米高的更樓、兩間豬舍、一列居室、廚房和
牛欄。透過館內的農具、傢具和圖片
展覽,大家可以更了解當年原居民的生活情況。
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。
Abstract : the early embryo developmental block is a common phenomenon in mammal when embryos are cultured in vitro. many studies of phosphorus, glucose, hypoxanthine and cytoplasmic factors on early embryo developmental block carried out by different methods such as morphology, biochemistry, molecular biology and micromanipulation have been reviewed. the merit and shortcoming were analyzed and the necessity of using simple or components limited media overcoming early embryo developmental block were also reviewed. media that have been shown effective in overcoming early embryo developmental block in mouse, rat, hamster, rabbit, pig, sheep, cattle and monkey were listed
摘要哺乳動物胚胎在體外培養中普遍存在早期發育阻滯的現象.對此,人們用形態學、生物化學、分子生物學、顯微操作等手段開
展了磷酸、葡萄糖、次黃嘌呤和細胞質因素對早期胚胎發育阻滯的影響的研究.本文綜合分析了共培養系統的優缺點.說明了採用完全成分已知的培養液對進行有關研究的必要性.列出了有效運用於克服小鼠、大鼠、倉鼠、兔、豬、羊、
牛、猴等動物早期胚胎阻滯的成分已知的培養液的名稱。
Research progress on in vitro fertilization of cattles
牛體外受精技術研究進
展
Beige color a b grade pig grain palm, natural color cowsplit back driver glove with key - stone thumb, inseam elastic at back, full socket boa lining
高州祥和手套有限公司產品
展示豬青掌
牛二層背套里揸車花生粒捆邊
Beef lin, three pa, beef liu, acttle show, sirloin, chicken breast, drumstick, chicken wing
牛霖三扒牛柳牛展牛腩雞胸雞腿雞翅