致育因子 的英文怎麼說

中文拼音 [zhìyùyīnzi]
致育因子 英文
fertile factor
  • 致 : Ⅰ動詞1 （給與;向對方表示禮節、情意等） deliver; send; extend 2 （集中於某個方面） devote （one s ...
  • 育 : 育動詞1. （生育） give birth to 2. （養活; 培育） rear; raise; bring up 3. （教育） educate
  • 因 : Ⅰ動詞[書面語] （沿襲） follow; carry on Ⅱ介詞1 [書面語] （憑借; 根據） on the basis of; in accord...
  • 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...
  1. Through cultivating the cochineal in 4 counties which belonging to tropical, south sub - tropical and mid sub - tropical zones, the life tables of the cochineal in each county are established and the survival percentage of each stage as well as the key factor of death in each climate type is studied. in the meantime, the sample of the cochineal of each county is collected to test the size, eggs and weight, through comparing these biological index, the best zones, better zones and other zones for cultivation of the cochineal are pointed out. on the basis of above study, the zones for cultivating the cochineal are marked out in yunnan province

    在雲南熱帶、南亞熱帶、中亞熱帶三個氣候類型下的4個縣（市）放養胭脂蟲，應用生命表技術，研究各氣候類型下胭脂蟲的存活情況並分析出各氣候類型下胭脂蟲的主要致死因子，同時，採集各地培育的胭脂蟲樣品測定蟲體大小、懷卵量及重量，通過比較這些生物學指標，得出胭脂蟲的最適生區、次適生區及適生區，並以此為依據，對雲南省胭脂蟲的培育進行了區劃。
  2. His research interests lies in : 1 ) insect fungal pathogenesis and strain improvement by genetic modification ; 2 ) fungal conidiation, conidial germination and dimorphism

    研究領域： 1 ）昆蟲病原真菌致病機理和基因工程研究； 2 ）真菌孢子發育和形態轉換的分子機理研究。
  3. After entry of wto, there are still many maladjustments in guangxi ' s seed industry, such as the weak foundation of sees industry development ; the unformed market of the seed industry for fair competition ; small - scale seed enterprises ; no systematic connection among the cultivation, breeding and marketing ; lower qualification of staff who work in the seed industry and with weak sense of laws, and lack of the knowledge in operating experiences in the international market and trade etc. yet the un - efficiency system, unclear property right in enterprises, the lack of an effective mechanism to promote the rational use of resources in the seed industry and the lack of such concept as " the government creates environment and enterprises create fortune " are the deep - seated causes of the problems in guangxi ' s seed industry. therefore, the key points for promoting development of guangxi ' s seed industry under the wto framework are to focus on the promotion of the developing capability of seeds " integrated products, constantly deepen reforms, to adjust various relevant factors in the system of the seed industry which is inconsistent with each other, and to establish a new - pattern system with evident characteristics of the time spirit in order to meet the requirements of the market economy. hereinto, the specific strategies and measures for promotion of guangxi ' s seed industry development under the wto framework include kee ping up reform and innovation of the system of the seed industry, executing of non - nationalization reform in state - owned seed enterprises, formulating and executing relevant supporting policies, the improving the legal system in the seed industry, increasing public financial support on the seed industry, promoting the integration of cultivation, breeding and marketing, strengthening human resource development, developing the main body of the seed industry ' s market and making proper conditions for the functions of seed associations in the seed industry development etc

    研究結果認為：發展種子產業應該把著眼點放在促進種子整體產品的開發上；種子產業的發展依賴于能充分發揮整體功能的新型種業體系的構建，而目前廣西種業體系中的品種選育、種子生產加工、種子經營以及政府管理、公共支持和社會服務六個主要組成部分都存在明顯的缺陷與不足；廣西種子企業綜合競爭力總體處于較弱水平；面對wto ，廣西種子產業仍有諸多的不適應，突出表現在產業發展基礎薄弱、尚未形成可以公平競爭的種業市場、種子企業規模小、育繁銷脫節、種業人才素質不高、種子企業法律意識淡薄、國際市場運作經驗和國際貿易知識不足等多個方面，而體制不順、企業產權不明晰、缺乏促進種業資源合理流動的有效機制以及「政府創造環境，企業創造財富」的正確理念正是導致目前廣西種子產業不能適應入世需要的深層次原因；因此，以提升種子整體產品開發能力為核心，不斷深化改革，調整種業體系中不相協調的各有關因素，構建起符合市場經濟體制要求的具有鮮明時代特徵的新型種業體系，是wto框架下加快廣西種子產業發展必須堅持的指導思想；其中，加快種業體制改革和創新、實施對國有種子企業的非國有化改造、制訂落實有關扶持政策、完善種子法律法規體系、加大公共財政對種子產業的支持力度、推進育繁銷一體化的形成、加強人才培養與引進、壯大種業市場主體、實行重點突破戰略、發揮種子行業協會作用等等，都是wto框架下加快廣西種子產業發展應該採取的具體對策措施。
  4. With the increase of substrate salinity, the accumulated sodium and chloride increased. as a result, all tissues had considerablly lower osmotic potentials than that of the solution on which they were grown at 60 day after planting. changes in length, dry weight, water content, ion concentrations, osomotic potential, ion content of hypocotyls during culture indicated that viviparous hypocotyls not only afforded nutrition for seedling growth, but also reserved ions, thus charged the balance of ion concentration and osmotic potential of the seedling

    鹽脅迫下幼苗單株葉面積下降的程度大於光合速率的降低，葉面積的減小是導致減產的主要原因；木欖幼苗各組分中的離子濃度以及含量隨栽培時間而變化；栽培初期剛萌根時，幼苗原胚軸中的離子滲漏到培養液中；此後隨著根系的發育以及芽的生長，幼苗轉為從培養液中吸收離子，並以吸收na 、 cl離子為主。
  5. Research interest : isolation of functional genes with agronomic importance ; stress responsive regulation, posttranscriptional rna processing, carotenogenesis regulation and crop yield and quality improvement

    主要致力於植物功能基因分離、逆境應答和次生代謝與品質發育的分子調控機制及轉基因生物安全評價等研究工作。
  6. Phylogeny analysis is performed with phylip software package and encoding sequence of bdnf gene. the phylogeny trees have been drawn with three different methods ( maximum parsimony method, genetic distance method and maximum likelihood method ), respectively. the analysis outcomes are not all consistent for the reason that it is closely related to the selected methods and the conservative level of the sequences

    採用不同的統計學分析方法，最大簡約法（ maximumparsimonymethod ） 、最大似然法（ maximumlikelihoodmethod ）和遺傳距離法（ geneticdistancemethod ） ，得到了物種系統發育進化樹，但拓撲結構並不完全一致，這是可能是因為分子系統學研究與採用的分析方法和所選基因的保守程度即作為分子標記的可信度密切相關。
  7. He had short time training course in university of vrije of brussels and nih on homeobox gene lim family study. main fields : neural protection and regeneration. special research interests : neurotrophic factors

    近年來，著重於1神經營養因子2同源盒基因lim家族3低氧等所致腦損傷機制及其干預措施4神經肌肉乾細胞發育分化與組織工程等方面的研究。
  8. It was reported in the past decade that a targeted gene inactivation of some transcription factors could specifically affect the development of some groups of neurons in the brainstem and then resulted in distinct respiratory phenotypes

    近年來，人們利用分子生物學技術研究發現，小鼠某些基因突變可影響呼吸中樞特定神經元的發育，並由此導致特殊的呼吸表型。
  9. The study also reveals the relationship between pasture ' s growth period, yield and their relation to weather factors and the evolvement characters of grassland vegetation under the background of drought climate, and refers to the main factors of the influence on grass - turn - green period as water condition in qinghai lake areas, and the main factors as the quantity of heat in the southern area of qinghai. because of the drought in the " three rivers source area ", the growing season is shortening and the production of the grass is decreasing clearly

    揭示了牧草生育期、產量以及群體結構與氣象因子之間的關系和氣候乾旱化影響下草場植被的演變特徵，提出了影響環湖地區牧草返青期的主要因子是水分條件，影響青南地區牧草返青的主要因子是熱量條件， 「三江源」地區由於氣候乾旱化，導致牧草生長季呈縮短趨勢，牧草產量明顯下降。
  10. In the face of the challengers of moral crisis, studying and carrying on relevant reforms to improve the quality of society, school and family moral education of cur county has important realistic meanings

    對未成年人思想道德建設重要性認識不足、重視不夠，全社會關心支持未成年人思想道德建設的風氣尚未形成，學校教育中重智育輕德育、重課堂教學輕社會實踐，家庭對子女的教育出現空白點等，是導致這一困境的重要原因。
  11. On the loess plateau, water is the main limiting factors for vegetation growth. root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments. even - aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation. investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root. the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites. analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0. 982, while the value of on southern exposition was less than 0. 982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition. and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree

    在中國西北黃土高原地區，水分是樹木生長發育的主要限制因子.根系分佈特徵由於反映了樹木對環境條件的利用程度而具有更加特殊的生態意義.本研究選擇陽坡和陰坡不同立地上年齡一致的刺槐林調查了根系分佈特徵.根系垂直分佈特徵的調查結果表明，在所有立地上，根系生物量隨著深度的增加而降低，其中細根的分佈深度大於粗根的分佈深度.方差分析結果表明:不同立地上不同徑級根系的分佈特徵也有明顯的差別，粗根是差異存在的主要原因，陰坡立地上的根系生物量，特別是細根生物量大於陽坡立地上的.對根系消弱系數的分析結果表明，陰坡立地上的根系消弱系數大於0 . 982 ，而陽坡立地上的根系消弱系數小於0 . 982 ，說明陰坡立地上刺槐根系的生物量在深層土壤中的分佈相對量更大一些.其中細根的根系消弱系數大於粗根的，這種根系分佈特徵有利於根系對深層土壤水分養分的吸收利用，進而促進樹木地上部分的生長發育.圖3表3參15
  12. Abstract : on the loess plateau, water is the main limiting factors for vegetation growth. root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments. even - aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation. investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root. the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites. analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0. 982, while the value of on southern exposition was less than 0. 982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition. and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree

    文摘:在中國西北黃土高原地區，水分是樹木生長發育的主要限制因子.根系分佈特徵由於反映了樹木對環境條件的利用程度而具有更加特殊的生態意義.本研究選擇陽坡和陰坡不同立地上年齡一致的刺槐林調查了根系分佈特徵.根系垂直分佈特徵的調查結果表明，在所有立地上，根系生物量隨著深度的增加而降低，其中細根的分佈深度大於粗根的分佈深度.方差分析結果表明:不同立地上不同徑級根系的分佈特徵也有明顯的差別，粗根是差異存在的主要原因，陰坡立地上的根系生物量，特別是細根生物量大於陽坡立地上的.對根系消弱系數的分析結果表明，陰坡立地上的根系消弱系數大於0 . 982 ，而陽坡立地上的根系消弱系數小於0 . 982 ，說明陰坡立地上刺槐根系的生物量在深層土壤中的分佈相對量更大一些.其中細根的根系消弱系數大於粗根的，這種根系分佈特徵有利於根系對深層土壤水分養分的吸收利用，進而促進樹木地上部分的生長發育.圖3表3參15
  13. However, it is difficult to relate the histone acetylation level with the gene expression level. we indicate, although histone acetylation acts to enhance the access of transcription - associated protein to dna, the activation of gene expression only need containing some acetylation level, but the hyperacetylation and underacetylation would effect the gene expression, so as to the abnormal development

    而在克隆牛中組蛋白乙酰化水平雖然有所降低，但如果這種降低仍然為基因的表達提供了足夠的基礎，這就對基因的正常表達造不成很大影響；但如果組蛋白乙酰化水平過高或過低，可能要影響到其他因子的作用，從而影響了基因表達的調節，最終導致生物個體發育異常。
  14. These results suggest that cftr in sperm may be involved in the transport of hco3 - important for sperm capacitation and that cftr mutations with impaired cftr function may lead to reduced sperm fertilizing capacity and male infertility other than cbavd

    研究結果顯示，精子的cftr功能為碳酸氫根的傳輸，促使精子獲能；而cftr基因突變引致功能失效，會降低精子授精能力，這是先天性無輸精管以外另一導致男性不育的可能因素。
  15. The research team of prof chan hsiao chang, director of the epithelial cell biology research centre, in collaboration with zhejiang academy of medical sciences, demonstrated that cystic fibrosis transmembrane conductance regulator cftr is involved in transporting bicarbonate into sperm, and thus, is vital to sperm fertilizing capacity and male fertility. cftr is an anion channel, mutations of which cause cystic fibrosis, a disease characterized by defective cl - and hco3 - transport with clinical manifestations in a number of organ systems

    由陳小章教授領導的香港中文大學上皮細胞生物學研究中心的研究人員，與浙江醫學科學院合作，證實囊性纖維化跨膜電導調節器（ cftr ）負責輸送碳酸氫根進入精子，對精子授精能力及男性生育能力非常重要； cftr是一個陰離子通道，其基因突變會導致囊性纖維化，因為氯離子和碳酸氫根（ hco3 - ）分泌缺陷，引發一系列器官病徵。
  16. In the transgenic tobacco plants with sense gene promoted by camv35s, the anthers of four lines were changed into petals partly or totally or no anther at all

    Camv35啟動子驅動st901基因在轉基因煙草、馬鈴薯中的表達同樣導致植株的雄性不育，這是通過影響轉基因植株花藥的發育而實現的。
  17. Fertility factor, f factor

    致育因子
  18. 4. soil n2o discharge flux responsible for the different treatments were affected by the different soil factors in the winter wheat growing stages. under no planting conditions, the moisture regime in the 0 to 5cm soil layer mostly made the soil n2o discharge flux adding in the mulch treatment, and the content of nitrate nitrogen in 5 to 10cm soil layer in the no mulch treatment

    4在冬小麥生育期內，影響不同處理土壤中n _ 2o排放通量的主要土壤因子為：無種植情況下，覆膜所導致的膜下（ 0 - 5cm ）土壤水分積累是引起土壤中n _ 2o排放通量增加的關鍵；無膜時較淺層土壤（ 5 - 10cm ）中no _ 3 ~ - - n濃度對土壤中n _ 2o的排放至關重要。
  19. Perinatal insufficiency of th or gc causes decreased level of nerve growth factor ( ngf ) in septo - hippocampal pathway ( shp ) and hippocampus, resulting in severe developmental disorder of basal forebrain cholinergic system

    圍產期甲狀腺激素和糖皮質激素缺乏都會使海馬組織內神經生長因子（ ngf ）的表達下降，導致神經系統出現嚴重的發育和成熟障礙。
  20. These studies demonstrates that not only we could make transgenic mouse embryo with high efficiency by the method of icsi, but also the fresh sperm from cauda epididymis or freeze - thawed dead sperm pre - mixed with exogenous dna had the full development potential to develop into term

    本實驗充分表明， icsi精子載體法可以比較高地製造小鼠轉基因胚胎，小鼠附睪新鮮精子及無抗凍劑保護冷凍致死精子都具有足夠的全程發育潛力。
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