有效生殖率 的英文怎麼說

中文拼音 [yǒuxiàoshēngzhí]
有效生殖率 英文
effective fertility
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
  • : 殖Ⅰ動詞(生息; 孳生) breed; grow; multiply Ⅱ名詞(姓氏) a surname
  • : 率名詞(比值) rate; ratio; proportion
  • 有效 : effective; valid; efficacious
  • 生殖 : reproduction; engender
  1. The primary results showed : using m199 as diluents containing 20 % bovine serum, it is better to freeze the cells slowly freezing at fist then increase freezing speed ( for example, from 0 to - 6 freezing speed is about - 0. 05 a minute, from - 6 to - 40, freezing speed is about - 0. 5 a minute ), studies on effect of various concentration of dmso demonstrate that about 12. 5 % dmso gave the highest post - thaw percentage of viable cells. the concentration of bovine serum had no different effect on the percentage of the viable embryo cells of misgurnus auguillicaudatus. the embryo cells derived 6 from the later stage of blastula offish is more resistant to the cryogen than the cells of early stage of blastula. the cells preserved in liquid nitrogen at - 196 were thawed and cultivated, a few cells were found adhere to the surface of culture vessel when the percentage of viable cell was more than 30 %. the cells in only two culture vessels were found to proliferated and gave rise to many small morphologically undifferentiated cells

    研究初步表明:以細胞培養液m199 (含2既的小牛血清,常規量雙抗)為凍存稀釋液對泥鰍胚胎細胞冷凍保存宜採取先慢后快的方式(例如,從0一一6 ,凍存速度為一0 . 05 / min ,再以一0 . 5 / min的速度從一6一一40 ) ; dmso的保護應濃度為12 . 506左右;小牛血清的濃度對泥鰍胚胎細胞的成活影響不明顯;囊胚晚期細胞抗凍性比中早期強;通過對不同批次的凍存細胞解凍培養,解凍后成活為30 %以上細胞培養數天後均少數細胞貼壁,但只發現兩瓶培養細胞明顯增現象產許多未分化的小細胞。
  2. The department provides infrastructural support services to promote efficient and sustainable production of the local capture fishery and aquaculture industry

    本署提供基本設施支援服務,以促進本地捕撈漁業及水產養而可持續的產。
  3. Several vegetative clones of male or female gametophytes of u. pinnatifida has been induced and parthenogenesis of female gametophytes has been observed. 90 % of the gametophytes can grow into young sporophytes one month after fertilization. no staining background of either lacz or gus was found in different tissues of u. pinnatifida

    進行裙帶菜配子體孤雌、孤雄和雌雄受精的再途徑實驗,結果沒得到孤雄的裙帶菜,孤雌低、時間長且發育不正常,雌雄受精的再途徑一個月左右90 %以上的雌配子體都正常萌發成幼孢子體。
  4. The annual yield of grass carp covers 20 % in total output of the fresh water fish, which is fast growing and tastes delicious, besides, the forages of grass carp are various, with a lower cost of raising, however, at present, the serious diseaes of grass carp results in a lower survival rate 10 - 15 %, which cause more then billions yuan economic losses per year to the fresh water cultiuation, especially, hemorrhagic virus of carp lasts for a long period of time and features a high death rate, therefore, it " s a woed - wide problem for the aquacultural scientific researchers to discover an effective settlement, which is still under the discussion

    長快、飼料來源廣、飼養成本低和肉味鮮美。但草魚病害多,危害嚴重,目前草魚由苗種養至成魚的成活僅為10 - 15 ,每年給我國淡水養業造成數億元經濟損失。特別是病毒性的草魚出血病,流行季節長,發病死亡高,因此,對草魚出血病的防治一直是世界各國水產科學工作者艱苦探索而又未能找到理想解決辦法的世界性難題。
  5. The paper summarized the research for the effects of different grazing intensity on grazing behaviour, grazing grass species and productivity of sheep in recent years, the result showed that : there was a negative correlation between the live weight gain per sheep and the grazing intensity, but there was positive correlation between the live weight gain per hectare and the grazing intensity ; feeding intake of sheep decreased when the grazing intensity become heavier ; there was not significant effect of different grazing intensity on sheep breeding indexes ; as long with the grazing intensity become heavier, the feeding time of sheep increased while resting and idling time decreased, but feeding intake per hundred mouths and daily intake reduced while intake velocity increased ; sheep feeding adaptability is relative ; the light grazing was beneficial to promote mutton quality, but mutton quantity and gross economy benefit was low

    摘要根據近幾十年來放牧強度對綿羊放牧行為、採食植物組成和產性能的影響進行了綜述,得出以下結論:綿羊的個體增重與放牧之間呈線性負相關,而公頃增重與放牧之間呈正相關;綿羊的採食量隨著放牧強度的加重而降低;放牧強度對母羊繁性能各指標影響差異不顯著;隨著放牧強度的加重,綿羊的採食時間增加,遊走、反芻臥息時間減少;每百口採食量和日採食量減少,而採食速度增加;放牧綿羊的嗜食性是相對的;輕牧利於提高肉的品質,但是產肉量低,總的經濟益不高。
  6. It has been confirmed that np30 has sensitizing effect on formation of hepatic egg granulomas in mouse model for hepatic egg granuloma of schistosoma japonicum ; immunization with np30 in kunming mice, c57bl / 6 mice and goats obtained worm reduction of 50. 46 %, 41. 67 % and 42. 78 %, respectively. np30 possesses effects of both anti - fecundity and anti - embryonation immunity on female worms of s. japonicum. moreover, np30 plays a significant down - modulatory role to hepatic granuloma and fibrosis ( the diameter, area and volume of egg granuloma were all significantly less than those of control ; the contents of type i, iii of collagen and fibronectin were also significantly less than those of control )

    已對np30分子進行了較為廣泛的研究,應用小鼠日本血吸蟲肝肉芽腫模型證實np30對蟲卵肉芽腫的形成具致敏作用;對感染宿主(昆明種小鼠、 c57bl / 6小鼠和山羊)具較好的免疫保護作用(減蟲分別為50 . 46 、 41 . 67和42 . 78 ) ;用np30主動免疫小鼠具抗雌蟲產卵和抗卵胚發育的雙重功;另外,還對血吸蟲病肉芽腫和肝纖維化明顯的負調節作用(蟲卵肉芽腫的直徑、面積和體積均明顯小於對照組,肝組織、型膠原及纖維連接蛋白含量均低於對照組) 。
  7. The authour investigate the dosing conditions and effect of the pac to the huanghe water - source, which includes the following four parts : the selection of the pac ; the confirmation of dosing scheme and effect of the pac ; the research of application of potassium permanganate in combination with pac ; the research of the pac ' s modification and the modified effectiveness. the experiment is mainly carried out on the pilot system in the jieyuan water plan of tianjin. the results of the reseach include the following : l ) the pac from zunhua plant is selected as the better carbon for the source water of tianjin through the experiment ; 2 ) through the pilot experiment we conclude that the pac ' s best adding point is the mixing tank and the better dose is 10mg / l, on which the codmn of filtered water can be decreased to 40 % and the effluent have no problem of odour and color ; 3the adsorbing experiment show that pac mainly adsorb the organic matters which molecular wt., distribution between 500 and 3000, and can adsorb organic matters whose molecular wt., distribution are bigger than 6000 if the dose of it is adequent ; 4 ) pac together with potassium permanganate can remove the organic matter more effectively than each of them alone, and reduce the rising trend of turbidity of the flotation ' s effluent due to adding pac ; 5 ) the thesis made a research on the surface properties and the adsorbing capability of the modified carbon by oxidizer : the modified carbon with 20 % h2o2 can remove more organic pollutants than the untreated one by 12 % when we add a higher dose of coagulant ; 6 ) the modification of reduction and loading metal ions are also sttldied, and drow the following conclusions : the modified carbon with 5 % ammonia can enhance the organic matter ' s removal effectiveness by 10 % to the tianjin source water than the untreated one, and the modified one with loading metal ion remove the organic matters from the tianjin source water better ( 8 % ) than the untreated one due to the strong affinity betwween the humic acid and copper ion

    本文的實驗主要是在天津芥園水廠的中試系統上完成的,論文的成果和結論主要包括: 1 )通過靜態實驗選定河北遵化活性炭廠產的煤質炭為適合天津原水的炭種; 2 )中試實驗確定粉末活性炭的較佳投加點為混合池投加,較佳投加量為10mg l ,此時可使濾后水的cod _ ( mn )降低40 ,且可較好地控制濾后水的嗅味和色度; 3 )初步確定粉末活性炭對原水中機物的吸附主要集中在分子量在500 - 3000范圍內,投量增大時可吸附部分分子量大於6000的機物4 )中試實驗表明:粉末活性炭與高錳酸鉀聯用可取得較兩者單獨應用時對機物更好的去除果,且對因投加粉末活性炭而造成的氣浮出水濁度升高一定的改善作用; 5 )研究並初步確定氧化改性對粉末活性炭表面性質和機物的去除果的影響:粉末活性炭的氧化改性會使其表面的酸性官能團大量增強,表面極性增加;經20的過氧化氫改性的活性炭在增大混凝劑投加量( fecl _ 3投量為15mg l )時對機物的總體去除果較原活性炭提高12 , 1次氯酸鈉改性活性炭對機物的去除果較原活性炭提高6 ; 6 )研究並初步確定還原改性、負載金屬離子對原水中機物的去除果的影響:經5氨水改性的活性炭可提高天津源水中機物的去除達到10 ;負載銅離子后的活性炭可提高對腐酸類物質的去除能力,一般可提高8左右。
  8. The results on edta and some metal ions, combined with the excellent recovery effect of cu2 + on detc - inhibited po activity, indicate that this po is a kind of cu2 + metalloenzyme. the effect of polysaccharides and vibrios on the hemocytes and po from shrimp was investigated. under the stimulation of p - glucan, the number of all hemocytes, the number of semigranular cells, the amount of po synthesized and po activity increased about 83. 4 %, 100. 4 %, 104. 7 % and 79. 4 %, respectively

    篩選出高的免疫促進劑,查清其增強對蝦自身免疫力的分子機制,不僅具重要的理論意義,中國對蝦酚氛化酶的物化學性質及幾種免疫促進劑對對蝦酚氛化隴和血細胞的影晌而且對于利用免疫促進劑增強對蝦免疫力、降低死亡,促進對蝦養業的可持續發展,還具重要的應用價值。
  9. For far - ranging foragers, however, cost - effective walking saves many calories in maintenance energy needs ? calories that can instead go toward reproduction

    而對長距離覓食者而言,的走路模式節省維持能量的需求,省下的能量可以用在上。
  10. This helps the few cells specialised for reproduction to do so more effectively

    這使得那些專門用於的細胞能更的行使功能。
  11. The effectiveness of the isolates was related to ecological attributes such as the number of propagules formed in the soil. differences in effectiveness of am fungi in promoting plant growth and nutrient uptake were also observed among genera, with higher effectiveness in clomus followed by acaulospora and scutellospora

    並發現am真菌的態學特性與其關,不同屬am真菌的侵染、根外繁體數量及對甘薯的應均差異,多數glomus屬真菌的繁體數量和菌根應明顯優于acaulospora屬和scutellospora屬真菌。
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