種子改良 的英文怎麼說

中文拼音 [zhǒngzigǎiliáng]
種子改良 英文
seed amelioration
  • 種 : 種名詞（姓氏） a surname
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 改 : Ⅰ動詞1 （改變） change; transform 2 （修改） revise; alter; modify 3 （改正） rectify; correct 4 ...
  • 良 : Ⅰ名詞1. （善良的人） good people 2. （姓氏） a surname Ⅱ形容詞（好） good; fine; nice Ⅲ副詞（很） very; very much; indeed
  • 種子 : seed; semen; germ; grain; stock; spermo ; spermato ; gono 種子測定 seed testing; 種子處理 seed tr...
  • 改良 : 1 （去掉事物的個別缺點 使它更適合要求） improve; ameliorate 2 （改進） reform; 改良牧場 improved ...
  1. Studies on genes related to embryo and endosperm development are leading us to an extensive understanding of the mechanisms of seed development and apomixis at the molecular level, which will benefits the research for yield and quality improvement of plant seeds via genetic engineering

    對胚和胚乳發育相關基因的研究，可使人們在分子水平上解析種子發育和無融合生殖的分子機制，更有效地開展植物種子產量和品質改良的基因工程。
  2. Based on the theory of unsaturated soil mechanics and the properties of compacted expansive soil, this paper takes the northern part k12 + 840 - k12 + 920 of nanning urban highway as an example to studies some aspects of lime improvement of expansive soil and the technology of construction. the chief content of this paper is : the lime improvement mechanism of expansive soil ; confirm the technical parameters of lime mixed from the results of test in laboratory ; the scale - down test to define the maximum effective grain size of expansive soil when it is improved by lime ; by building bank slope model and making use of finite element seepage flow program of saturated - unsaturated to calculate the examples, this paper simulates the humidity site in order to checkout the effect of lime improvement ; studies and proves that it is feasible to mix blocky expansive soil and pulverous lime, and to fill roadbed by common construction machines etc.

    本文研究的工作就下述幾個方面展開：用石灰改良膨脹土的機理；通過室內試驗確定摻灰的技術指標；在室內進行膨脹土摻灰的最大有效粒徑的模擬試驗，即鈣離子水試驗，由此總結出「粉?塊」灰?土攪拌工藝的有效性、合理性和可行性；用數值方法對路堤使用期的濕度場進行模擬，並與路堤的強度?變形的計算域耦合，以檢驗土性改良的效果，從而探索一種描述改良膨脹土路堤運行工況的數值方法；用現有最常用的且費用最低的施工機具，對灰?土進行「粉?塊」攪拌摻和及路基的填築施工等。
  3. The four trainees who just returned from canada were invited to give lectures on special subjects : learn from canadas expertise on husbandry management to realize rotational grazing in north - western sichuan, the application of canadas forage seed production technology in the grass - seed production in pasturing areas in north - western sichuan, and the application of canadas forage grass planting technology in rangeland improvement in north - western sichuan. meanwhile, the four trainers led the participants to visit the pilot pastureland for rotational grazing and the field school of forage grass planting, providing on - site explanation

    特邀參加加拿大牧草技術培訓的四名學員，分別作了「借鑒加拿大放牧管理技術實現川西北牲畜劃區輪牧」 「加拿大牧草種子生產技術在川西北牧區草種生產中的應用」 「加拿大牧草栽培技術在川西北牧區草地改良中的應用」專題培訓，同時，帶領參訓人員到牲畜輪牧示範場，牧草栽培田間學校進行了參觀並進行田間現場講解。
  4. Early genetic analysis of some clones in the improved slash pine seed orchard

    濕地松改良種子園部分無性系的早期遺傳評價
  5. This study was conducted to examine the interrelationship of 10 seed vigor traits in 12 wheat genotypes through variance, co - variance and path coefficient analysis, to determine broad - sense heritability, and to estimate genetic advance under selection. the genotypes showed significant difference for all traits, except for percentage of normal seedling. genetic correlation between conversion efficiency of seed reserve, electrical conductivity with other traits were not significant, showed that selection for any of them might be possible without hampering any other traits. however path coefficient analysis indicated that conversion efficiency of seed reserve, seed reserve utilization ratio have strong direct effect in affecting seedling weight, and that mean germination time has significantly negatively correlated in affecting gi. moderate to high estimates of broad - sense heritability, genetic coefficient of variation and expected genetic advance were obtained for electrical conductivity, germination index, mean germination time, seed dry weigh, seedling dry weigh, seed reserve depletion ratio indicating the possibility for improving these traits

    本研究利用12個普通小麥品種對10個種子活力性狀的遺傳變異和相關研究，表明除正常幼苗百分率外，其餘種子活力性狀在品種間均存在顯著的差異.種子貯藏物質轉換效率、電導率兩個性狀間及與其它性狀均無顯著的遺傳相關，因此對他們的選擇不會影響到其它性狀.通徑分析表明幼苗干重主要取決于種子貯藏物質轉換效率、種子貯藏物質利用速率;發芽指數主要由平均發芽時間決定.電導率、發芽勢、幼苗干重、種子干重、發芽指數、種子貯藏物質消耗比率6個性狀表現中到高的遺傳力、遺傳變異系數和相對遺傳進展，指明通過遺傳育種手段改良這些性狀是可能的
  6. To the losses, the paper takes the rate of loss in grain as index ; to natural factor, the paper establishes mathematical model according to the change on meteorological factor in one year and between years ; to human factor, for its complexity, the paper takes two - grade index. beginning with the water conservancy index, plant structure index, ecology index, soil improvement and water - soil conservation index, policy index, adopting the way of weight, it combines them into human factor

    對于旱災災情，本文採用糧食損失率為指標；對于自然因素則主要根據氣象因子的年際和年內變化建立數學模型；對於人為因素，考慮到它的復雜性，採用二級指標，先從水利指標、種植結構易旱指標、生態指標、土壤改良水保指標和政策指標入手，再用權重法，將它們合成為人為因素。
  7. The experimental results show that the characters of tree height, dbh, and volume, etc. of every family progenies of pinus massoniana seed orchard are all evidently higher than those of control ( ck ), 7 fine family materials whose volume growth exceeds the control ' s by 50 % are totally selected as the materials for building p. massoniana improved seed orchard and industrial raw material forest

    摘要對漳平五一國有林場馬尾松種子園18個初選家系進行子代測定，採用隨機區組設計、 8次重復，對6年生的樹高、胸徑、材積等性狀進行測定，試驗結果表明：馬尾松種子園各家系子代均明顯高於對照（ ck ） ，共選出7個優良家系材積生長超過對照50 %以上材料，作為營建馬尾松改良種子園和工業原料林的材料。
  8. The combination of improved seeds, more fertilizer, and improved irrigation doubled yields on irrigated land in developing countries.

    由於改良種子，增加化肥和改進灌溉系統的共同作用，發展中國家得到灌溉的農田產量增加了一倍。
  9. Seventy - nine improved wheat cultivars ( lines ) including some related parents were corssed with rye to detect the difference of crossability among wheat genotypes and the developing tendency of crossability during the cultivar renewing period in shandong province, the results expressed that crossability of improved cultivars with rye were significantly lower than that of the check ( chinese spring ), and there were 3 cultivars with a seedset of more than 50 %, 4 cultivars with the seed - set of 30 % - 50 %, 8 ones with that of 10 % - 30 %, 50 ones with the seed - set of less than 5 %, and the other 14 cultivars with the seed - set of 5 % - 10 % ; the mean crossability between wheat and rye decreased with the renewing of cultivars in shandong, and the number of cultivars with the seed - set of more than 50 % and 30 % - 50 % also decreased, but that with the seed - set of less than 5 % increased gradually during the renewing period ; pedigree analysis revealed that the crossable gene of the tested cultivars might come from 3 landraces ( youzimai, mazhamai and huixianhong ), laizhou 953, 8641012, yannong 15 et al were improved wheat cultivars with both excellent agronomic traits and high crossability with rye

    以79個改良小麥品種（系）與黑麥進行雜交，研究普通小麥品種與黑麥雜交親和性的差異及其親和性在品種更新、更換過程中的演變趨勢，結果表明：供試改良小麥品種與黑麥的雜交親和性顯著低於對照中國春；結實率大於50 %的品種3個，占供試品種的3 . 8 % ，結實率介於30 % - 50 %之間的品種4個，佔5 . 1 % ，結實率介於10 % - 30 %之間的品種8個（ 10 . 1 % ） ，結實率小於5 %的品種50個，佔63 . 3 % ，另外，結實率介於5 % - 10 %之間的品種14個，佔17 . 7 % ;普通小麥與黑麥的雜交親和性隨著品種的更新、更換呈下降趨勢，平均結實率大於50 % 、介於30 % - 50 %的品種數均呈下降趨勢，而結實率5 %的品種數呈上升趨勢；系譜分析表明，供試改良品種的親和性大都來源自蚰子麥、螞蚱麥、輝縣紅3個地方普通小麥品種；萊州953 、 8641012 、煙農15等是親和性和綜合性狀都較好的改良小麥品種（系） 。
  10. It is essential that improved material obtained through recurrent selection be introduced into production orchards as soon as possible.

    重要的是將經過輪回選擇得到的改良種苗盡快地應用於生產性種子園。
  11. One is to develop new seeds that resist disease and dry conditions

    一是改良出能抵抗疾病和乾燥條件的新型種子。
  12. Chemicals are costly. the savings help pay for the higher cost of the biotech seeds

    化學藥品很貴，節省下來的錢幫助支付改良種子的費用。
  13. One idea that has been around for a number of years is the creation of genetically altered mosquitoes that could be released into the environment

    一個多年來浮現的新想法是將一種基因改良型蚊子放歸自然。
  14. The selection effect was evident that 37. 5 % gain in single individual seed yield could be obtained, which achieved the purpose of improving seed orchard yield and increasing the genetic gain

    8年生子代材積可獲得改良增益10 . 6 % ，木材比重可獲得4 . 6 %的增益，種子園單株產種量可獲得增益37 . 5 % ，選擇效果明顯，達到提高種子園產量、增加改良增益的目的。
  15. So very great is the improvement time has brought about in such habits, that a moderate statement of the quantity of wine and punch which one man would swallow in the course of a night, without any detriment to his reputation as a perfect gentleman, would seem, in these days, a ridiculous exaggeration

    不過時光已大大地改良了這類風氣。在目前，若是樸實地陳述那時一個人一個晚上所能喝下的葡萄酒和混合酒的分量，而且說那絲毫無礙於他正人君子的名聲，現在的人是會看作一種荒唐可笑的誇張的。
  16. The soil samples collected from yunnan, hebei, qinghai and other regions of china, and also from vietnam, were used as the materials in this experiment. and dung pellets of rabbits or goats that had been autoclaved can be used to induce many kinds of fruiting bodies of the myxobacteria in different colors, sizes, and shapes. we isolated and purified strains under traditional procedure

    本實驗以越南及我國雲南、河北、青海等地的土壤作為研究材料，利用兔、羊糞球等誘導出多種粘細菌的子實體，除利用經典的粘細菌分離純化方法外，還根據粘細菌的生物學特性進行了分離純化方法上的創新和改良。
  17. In the artificial - planting, the strain of cordyceps militaris is easy to degenerate. at present, the study about the fungus in cordyceps genus are just in the identification of fungi 、 the nutrition analysis 、 the using in medicine and artificial - planting. although, it could reduce the lost by the usual breeding way, we could not solve the problem at basic. about the degeneration of strain, people mostly use the gender - cycling 、 the fusing - cytoplasmic technology and the genetic - engineering method to reform the strain. most of people use moleculor method in the study of relationships among the species and between the species

    用常規選育方法雖然能減少一定的損失，但不能從根本上解決菌種退化這一長期困擾企業生產的問題。針對菌種退化問題，主要是利用有性循環、原生質體融合和遺傳工程等途徑進行菌株改良，應用分子生物學手段只是研究種內、種間的系統關系等，而關于菌種退化遺傳機理的研究尚未見報道。菌種退化是菌類栽培過程中普遍存在的，也是生產當中迫切希望得到解決的問題。
  18. East indian legume having hairy foliage and small yellow flowers followed by cylindrical pods ; used especially in india for food and forage and soil - conditioning ; sometimes placed in genus phaseolus

    東印度群島的一種菜豆屬植物，尤指在印度群島作為飼料和改良土壤的作物，葉被毛，種子小而黃褐色，豆莢圓筒形。
  19. The relative ability of different soils and amendments to store ions is given in table 6-1.

    各種土壤和改良劑貯藏離子的相對能力列于表6-1。
  20. Abstract : robertsonian translocation is important in the study of evolution biology. current progress, contents, technology and methods about robertsonian translocation studies are introduced in the article. the usefulness in improving the breeds of pasturages and molecular genetic aspect are also discussed

    摘要本文總結了羅伯遜易位研究的現狀、內容和技術方法，並對它在畜牧品種的改良、分子遺傳學方面的應用作了探討，指出了它在研究進化生物學方面的重要意義。
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