篩分比 的英文怎麼說

中文拼音 [shāifēnbǐ]
篩分比 英文
sieve ratio
  • 篩 : 名詞[書面語] （植物名） sedge
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  1. Newcastle disease virus ( ndv ) strain 695, a thermostable nature avirulent strain, were replicated in embryonated chicken eggsand its rna was extracted from allantoic fluid. referred to the reported sequence of f gene, a pair of primers were designed and synthesized. f gene of ndv b95 strain was amplified by rt - pcr, the pcr products were checked by agrose gel electrophoresis and purified by agrose gel fracion method

    利用從國外引進的新城疫熱穩定性天然弱毒b _ （ 95 ）株接種spf雞胚繁殖病毒，經處理后提取病毒的基因組rna ，參考國內外發表的ndv融合蛋白基因序列，設計一對特異性引物，經反轉錄聚合酶鏈式反應（ rt - pcr ）擴增出約1700bp大小的特異性片段，將此片段回收純化后，利用t - a克隆技術將其克隆到pgem - t - easy克隆載體中，再轉化大腸桿菌jm109感受態細胞，轉化后經分子量比較、 pcr鑒定和酶切分析篩選陽性克隆。
  2. In this paper, first strand cdna of 3abc gene was synthesized using template rna extracted from cells infected with fmdv. the complete 3abc gene about isoobp was amplified by pcr and ligated into pgem - t easy vector. after transforming e. coli dh5 a, ampicillin resistant colonies were isolated and plasmid dna was prepared and analyzed by restriction analysis and pcr. presence of the full length 3abc gene was verified by nucleotide sequence analysis and the plasmid containing the expected sequence was named as pgem - 3abc. comparing the aquired sequence of 3abc with that of reference strains, the homology is more than 99 percent. the pgem - 3abc was digested with sal i and bgl ii and ligated into xho i and bgl ii - digested expression vector ptriex - 4 neo. lt was identified by restriction analysis and pcr and sequencing that this fragment had a 17bp deletion hi the nucleotide sequence 708bp of 3abc gene, which happened to form a terminator codon behind 3ab gene, but it contained the complete open reading frame ( orf ) of 3ab gene. positive clones were selected and induced with lmmol / l isopropyl - d - galactoside ( iptg ), bacteria were detected by sds - page and western blotting after properly treated. the results showed that the 3ab gene expressed successfully in e. coli and 33. 5ku fusion protein can be recognized by the positive bovine serum of fmdv. the amount of target protein is over 26 % of the total bacteria protein by gel thin layer scanning analysis

    擴增產物連接到pgem - teasy載體中，轉化大腸桿菌dh5菌株，篩選氨芐青霉素抗性菌落，提取質粒經酶切鑒定、 pcr分析以及確證性測序證明，所克隆的1500bp左右的片段含有完整的3abc基因，與國外參考序列相比，同源性在99以上。將重組質粒pgem - 3abc和表達載體ptriex - 4neo分別用sal和bgl與xho和bgl消化后，亞克隆3abc基因至原核表達載體ptriex - 4neo中，通過酶切鑒定、 pcr擴增以及序列分析，發現克隆到ptriex - 4neo載體上的片段於3abc基因708bp處出現了17bp的缺失，碰巧在3ab基因后形成一終止密碼子，但3ab基因的閱讀框架完整，選出含有3ab基因完整閱讀框架的陽性克隆，用iptg誘導表達，收集菌液進行sds - page電泳、 westernblotting分析，結果表明， 3ab基因在大腸桿菌中成功表達，其表達產物為分子量33 . 5ku的融合蛋白，並能被口蹄疫病毒陽性血清識別。經薄層掃描分析，表達量占總蛋白量的26以上。
  3. In this paper, thirty strains of yeast were isolated from nineteen samples of fermented milk ( ten koumiss samples, three fermented goat milk samples, four fermented milk samples, two shubat samples ) which were collected from the west - centre region of inner mongolia from which we aimed to select the yeast with high vitalistic ? galactosidase. according to the results of dedermination that were the metabolism rate and ratio vitality of ? galactosidase, stk - 1 - 1 has been selected. the result of identification showed that stk - 1 - 1 belonged to kluyveromyces marxianus of kluyveromyces

    本研究主要以內蒙古中西部地區牧區採集的19個發酵乳樣品（ 10份酸馬奶、 3份發酵山羊奶、 4份酸牛奶和2份發酵駝奶）為研究對象，分離獲得30株酵母菌，從中篩選乳糖酶高活力酵母菌株。根據乳糖代謝率和乳糖酶比活力的測定結果，選出菌株stk - 1 - 1為優勝菌株。經鑒定，該菌株屬克魯維酵母屬（ kluyveromyces ）的馬克斯克魯維酵母（ kluyveromycesmarxianus ） 。
  4. Methods the optimal proportion of levant storax oil and dalbergiae odoriferae oil, which were active ingredients of the traditional chinese medicine styrax and dalbergiae odoriferae, was bolted by using uniform - design method ; the myocardial ischemia model of rats was set up through the induction of isoprel and the above rats were divided into 5 groups, which were model control group, high dose group of shuangxiangyou, middle dose group of shuangxiangyou, low dose group of shuangxiangyou, and positive control group of muskone

    方法傳統中藥蘇合香和降香的有效成分蘇合香油和降香油最佳配比採用均勻設計方法篩選；建立由異丙腎上腺素造成的心肌缺血大鼠模型，將實驗分為模型對照組、雙香油高、中、低3個劑量組及冠心蘇合丸陽性藥物對照組后進行藥效學實驗。
  5. Zs series vibration sieve is suitable for in line production. it is an ideal device for granule that has uneven size to sieve continuously

    Zs系列分層篩適應于流水作業，是大小顆粒比例不等過篩連續出料的理想設備。
  6. The tl seeds are screening on the ms medium which contains 50ug / ml kan, and there are about 70 % of the transgenic lines showed the kan - resistance with a ratio of 3 : 1. however, the other lines did n ' t show the ratio consistent with the mendelism. it might prove that most of the transgenic plants only have one insert

    對收獲的轉基因番茄t _ 1代種子進行卡那黴素抗性篩選，結果發現， 70以上獨立轉化株系的t _ 1代種子出現了3 1的抗性分離，另一些獨立轉化株系的種子並未表現出符合孟德爾遺傳的分離比，說明大部分er - shsp基因是以單拷貝的方式插入植物基因組。
  7. Sp2 / 0 myeloma cells are fused with spleen cells of balb / c mice ( the ratio is 1 : 10 ) immunized with at - by routine method. positive clones are detected by elisa

    Sp2 / 0細胞和免疫脾細胞按1 ： 10比例融合，融合劑peg分子量為1500 ，陽性克隆篩選採用三步進行。
  8. The result showed that the homology rate of pila gene among the 5 avian pathogenic e. coli strains tested and one human e. coli were from 89. 8 % to 91. 1 %, and the homology rate of amino acid were from 88. 5 % to 91. 8 %. the homology rate of pila gene sequence among 5 avian pathogenic e. coli strains tested and avian pathogenic e. coli reported ( serotype o1, o2, o78 ) were from 87. 8 % to 90. 2 %, and the homology rate of amino acid were from 84. 6 % to 91. 2 %. there had homology in avian pathogenic e. coli. there had some common antigen side in type 1 pili of avian pathogenic e. coli

    結果表明：運用msha法檢測1型菌毛的檢出率為80 （ 36 45 ） ， pcr法的檢出率為95 . 5 （ 43 45 ） ， pcr方法用於1型菌毛的檢測比msha更加敏感、快速、特異性強；選擇5株優勢血清型雞源致病性大腸桿菌代表株（ o _ （ 89 ） ， o _ （ 119 ） ， o _ （ 141 ） ， o _ （ 127 ） ）的1型菌毛pila基因的pcr擴增片段經純化后，分別定向克隆到puc18質粒的多克隆位點，構建了含有目的基因片段的克隆質粒，並轉化到dh5株大腸桿菌載體菌中，篩選獲得陽性克隆菌株。
  9. The biological characteristics of mycelia from phellinus igniarius and culture media were studied. two kinds of culture media were suitable for the growth of mycelia. the result indicated that the culture medium with potato as nitrogen source and saccharose as carbon source was suitable for collecting mycelia, and the culture medium with peptone as nitrogen source and solvable amylum as carbon source was suitable for conservation

    為了最大限度地保存菌種的活力，以提高菌絲體的質量及菌絲體內活性成分的累積，本文通過對比研究，進一步對其生長基質進行篩選，明確了兩種適于桑黃菌絲生長的固體培養基：以馬鈴薯為氮源、蔗糖為碳源的培養基較適用於菌絲收集，以蛋白腖為氮源、可溶性澱粉為碳源的培養基較適用於菌種的保藏。
  10. And the adsorbability of this novel adso rbent for ldl was determined. in order to prepare the solid supports in accordance with with the request of adsorbent for ldl, paam beads were synthesized by inverse suspension polymerization. the composition of the polymerization system is shown as follows : the concentration of monomer and dispersant are 12 % and 0. 65 % respectively, the volume ratio of oil / water isl : 3, the mole ratio of aam and mba is 18 : 1

    本文用反相懸浮聚合法合成符合ldl吸附劑載體要求的聚丙烯酰胺微珠，經實驗篩選出反應體系所需的最佳單體濃度（ 12 ） 、最佳分散劑用量（ 0 . 65 ） 、最佳油水比值（ 1 ： 3 ） 、最佳單體（ aam ）與交聯劑（ mba ）的物質的量之比（ 18 ： 1 ） 。
  11. There are concerns that harvesting wild shrimp for aquaculture may deplete local shrimp populations or cause by - catch problems, hi addition, the use of wild shrimp poses a serious risk to the shrimp aquaculture industry because they may be carriers of virulent viruses. the life cycle of chinese shrimp has been closed, paving the way for the establishment of genetic improvement programs. the use of dna markers can contribute significantly to the development and implementation of genetic improvement programs

    本文嘗試利用aflp及其相關技術sampl在中國對蝦中篩選相關分子標記，並通過比較抗病中國對蝦（第四代抗病蝦）及對照（前幾代抗病中國對蝦、野生中國對蝦）譜帶差異，試圖找到與中國對蝦生長速度、抗病等性狀相關的分子標記或主效基因，為中國對蝦的遺傳圖譜構建、 qtl作圖、分子標記輔助選擇及其他育種方法奠定遺傳學基礎，同時對中國對蝦性別相關標記和sampl法發展微衛星標記作了一些探討。
  12. Crystal zirconium phosphate - phosphonate has the stability and regulity of interlayer floor of inorganic a - zirconium phosphate, they still have the designability of the organic group in the interlayer and adjustment of the ratio of organic and inorganic phosphorus acid, they are a kind of potential smart material, we can process molecule design and optimize filtration according to the requirement of goal reaction, we can prepare special ion - exchange, catalyst, catalyst supporters nonlinear optics compound, solid state proton conductivity and the intercalation complex precusor by introducing different active organic group or active center into the choice and stable framework of inorganic a - zirconium phosphate

    有機?無機晶態混合磷酸鋯具有無機磷酸鋯的層板穩定性和規整性，同時具有層間有機基團的可設計性和有機無機磷酸混合配比的可調節性的特點，是一類很有潛力的靈巧材料，並且可以根據目標反應的要求進行分子設計和優化篩選，在無機磷酸鋯優良穩定的骨架上引入不同的活性基團或活性中心，可以制備出性能獨特的離子篩、催化劑、催化劑載體、非線性光學物質、固態質子導體和制備插層復合物的前驅物。
  13. Application of microsatellite dna polymorphisms and dna fingerprints to inbred strain mice and rats to screen the exact, dependable, particular genetic monitoring marker method of laboratory animal, the author had studied the application of microsatellite dna polymorphisms and dna fingerprints to inbred strain mice and rats, and compared the two methods with the biochemical marker enzyme method. the study had established the foundation of the molecular genetic monitoring marker method of laboratory animal

    本文通過對dna指紋技術和pcr擴增微衛星dna技術在近交系大、小鼠遺傳檢測中的應用研究，並與生化位點標記分析法進行比較，旨在篩選出具有精確、可靠、特異性好的實驗動物遺傳檢測方法，為建立分子生物學實驗動物遺傳質量監測技術和標準奠定基礎。
  14. In the present study, a compartment cultivation system and histochemical staining were used to investigate the influence of soil available p level, plant p status and soil organic p on the growth and metabolic activity of am fungi. differences in metabolic activity among am fungal isolates and the relationship between metabolic activity and mycorrhizal effectiveness were al so investigated. in addition, am fungi from a wide range of environmental conditions ( originally isolated from north, central and south china ) were used to study the ecological adaptability of am fungi and the influence of edaphic conditions on am fungal growth and metabolic activity

    本研究採用分室根箱、組織化學等手段研究了土壤施磷水平、植物磷營養狀況、土壤有機磷對am真菌生長和代謝活性的影響；不同am真菌的代謝活性及其與菌根效應之間的關系，並對我國華北、華中和華南地區篩選出的高效菌株進行了生態適應性的比較，以期在理論上闡述宿主植物生長狀況及土壤條件對菌根真菌生長和代謝活性的調控機制，篩選出具有廣泛生態適應性的am菌株。
  15. In order to study the influence factors of aoa of rose flowers, the effects of drying and extraction methods on the aoa of rose flowers were investigated. the results indicated that drying after high - temperature short - time pretreatment was rather effective to maintain their aoa ; the aoa of water extracts was stronger when the temperature was raised from 25 to 100 ; by using orthogonal test, the optimum extraction conditions of rose flowers were : solvent - 75 % ethanol ; ratio of material and solven - 1 : 10 ; extraction times - three times with 24 h at one time, at the room temperature. the extracts obtained by 75 % ethanol were fractionatedly extracted with petroleum, diethyl ether, ethyl acetate and n - butanol in turn, and the various fractions " aoa were analyzed

    為了探討玫瑰花抗氧化活性的影響因子，比較了不同乾燥方法、提取方法對其抗氧化活性的影響，發現：經短時高溫處理后再進行乾燥有利於較好地保持玫瑰花的抗氧化活性；以水作溶劑提取時， 25 100范圍內水提液的抗氧化活性隨著溫度的升高而增強；通過正交實驗篩選得到常溫下玫瑰花抗氧化活性物質的最佳提取方法為： 75乙醇為溶劑，液料比1 ： 10 ，提取3次，每次24h ； 75乙醇提取物依次用石油醚、乙醚、乙酸乙酯、正丁醇等有機溶劑進行兩相分部萃取，發現玫瑰花的抗氧化活性物質主要存在於乙酸乙酯部，說明玫瑰花抗氧化活性主要成分可能是單寧類、黃酮苷類和原花色素類化合物； 4
  16. The screening experiment of material combination was carried out for kudingcha drink, and the best material combination was chosen mainly according to sensory evaluation and the determination of chemical composition and physical properties. the results show that, when kudingcha gynostemma pentaphyllum makino wulong tea = 10 10 80 and the ratio of tea water is 1 120, it is more beneficial to the improvement of organoleptic quality and keeping - fresh during the process and storage of kudingcha drink

    為開發苦丁茶飲料提供依據，通過設置不同的原料組合，採用以感官審評為主，結合測定茶湯化學成分和物理性狀的方法，對加工苦丁茶飲料的原料配伍進行了篩選.結果表明，採用苦丁茶、絞股藍、烏龍茶的質量比10 10 80配製，以1 120的茶水比進行浸提，有利於改善苦丁茶的感官品質及其飲料加工、貯藏中的保鮮性能
  17. The results indicated that the screening rate was positively correlated with the legislation of the kindergartens ; the abnormal rate was around 4 - 5 % each year and was no different in different countie, but the referral rate was low ; the use of medical resources after referral was high as 90 % ; the accuracy of screening was around 50 % each year as was the trend of increased accuracy ; the total cost of health screening was around $ 4200 million between 1997 to 1999 but only $ 1800 million in 1995 due to lower costs per case and $ 2600 million in 2000 due to fewer cases screened

    研究發現兒童接受篩檢率與立案率有顯著的正相關；異常個案管理轉介人數，各縣市之間差距不大，歷年比率在4 % ~ 5 %之間，轉介比率偏低；經轉介之後的就醫百分比，歷年均在九成以上；篩檢正確率，歷年均在五成以上，且有逐年升高之趨勢；健康篩檢經費， 86至88年度健康篩檢經費均在四千二百萬以上， 85年因每人次檢查費用較低，健康篩檢經費將近一千八百萬， 89年度則因篩檢人數較少，總費用約?二千六百萬。
  18. It has not only better physics machine function, but also better bio - compatibility, bone - combined character than bio - metal and alloys, bio - ceramics and bio - macromolecule etc. making use of the water heat synthesization method, air current comminution method and classification filtration composite technique has preparated even crystal of ha, average particle size is 280nm

    本文研製了無機纖維增強pmma ha人工顱骨復合材料，該復合材料與金屬材料、陶瓷材料和高分子材料相比，不僅具有良好的物理機械性能，而且具有良好的生物相容性和骨結合特性。利用水熱合成法、氣流粉碎法和分級篩分等多種技術制備了粒徑均一的ha晶體，平均粒徑為280nm 。
  19. Some of these have got national patents and was welcomed by many customers

    經過多次比較實驗結論聚氨酯材料在篩分中的運用有很多獨特的優勢。
  20. To comnter the problem of high grinding energy, rapid flow of material, low ratio of material to grinding media, and bad ball coating in common open circuit ferric oxide tube mill, ferric oxide superfine grinding technology markedly increase grinding efficiency and improve grinding status in the tube mill by setting high efficiency sifting equipment, material place regulating technology and subminiature cylpeb

    摘要針對普通開流氧化鐵管磨機在氧化鐵生產過程中存在電耗高，流速快，料球比低、嚴重糊磨等問題，通過在磨內設里高效篩分裝蘭，採用料位調節、微型鋼段等技術措施，極大地改善了磨內粉磨工況，提高了粉磨效率。
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