細篩分選 的英文怎麼說

中文拼音 [shāifēnxuǎn]
細篩分選 英文
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  • : 形容詞1 (條狀物橫剖面小) thin; slender 2 (顆粒小) in small particles; fine 3 (音量小) thin ...
  • : 名詞[書面語] (植物名) sedge
  • : 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
  • : Ⅰ動詞1. (挑選) select; choose; pick 2. (選舉) elect Ⅱ名詞(挑選出來編在一起的作品) selections; anthology
  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感受態胞,轉化后經子量比較、 pcr鑒定和酶切陽性克隆。
  2. This paper introduced the application of biotechnology in rice genetics and breeding, including tissue culture, cell mutants selection, protoplast fusion, apomixis, molecular mark assisted breeding and genic transformation

    簡要綜述了生物技術在水稻遺傳育種中的應用,主要包括組織培養、胞突變體的、原生質體融合、無融合生殖以及子標記輔助育種和轉基因技術等方面。
  3. In the research field of food preservation, an intense interest for scientists is focused on the isolation of antimicrobial substances from microbial metabolites. natural biopreservatives derived from traditional fermented foods are generally recognized as safe. in this paper, one strain screened for its safety and broad antimicrobial spectrum and its antimicrobial substance - - bacteriocin are studied in detail

    本文從傳統的發酵食品中出一株安全、具有廣譜抗菌活性的芽孢桿菌,並對其抗菌活性物質菌素進行析,為微生物天然生物防腐劑的開發以及在食品中的應用提供理論依據。
  4. Even so, by truncating hbv pres gene, we finally obtained some useful " " bailors ", either nontoxic or self - activating, and used them to fish dna fragments of hbv pres interacting protein ( s ) from an ad vector constructed human embryonic cdna library

    我們通過第回軍巨大學碩士學位論文對pres基因段截短的方法,獲得了對酵母胞即無毒性作用,又沒有自激活作用的「誘餌」 ,通過它在酵母雙雜交系統中構建於ad載體的人胎肝。
  5. Construction and expression of yeast engineering yaccine : s14 / gnsag " as transformed to yeast host straln x33 by means of electroporation after ppiczaa s, . aresag " as l ined by saci enzyme. the single fungus, as choose and dibble inocu1ating in we and am plate, the positive fungus was gro ' ing in rm but not in w, and was 6 inoculated in ypd which included zeocine 500ug / ml and 1000ug / ml. 5 transformers were ampl if ied by pcr, three is same with positive control

    取單個菌落別點種到刪平板和md平板,找出在回d上生長正常, w上生長緩慢或不生長的菌落,即陽性菌落,再以陽性菌落別塗布zeocine含量500ug加, 1000ug砌l的ypd平板,以高濃度的抗生素高拷貝的酵母工程菌,在含500ug ml高濃度抗生素平板上獲得了15個轉化子,取其中5個進行pcr擴增,有3個擴增產物與陽性對照相同,說明此酵母胞中已含有s hbsag融合片段,其中之一命名為p
  6. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先,系統析了影響黃河水位的水沙因素,及僅用水沙因素有效研究水位的可行性,並按變量對應思想採集它們的相應數據;其次,由於相應水位過程數據中含極強的非線性關系,本論文經致的理論析,將基本的非線性析方法、統計建模方法、隨機析理論、最小均方誤差原則等等數學理論及方法有機揉合,提出了能有效實現這類數據高精度擬合的法,並改進了統計學中多因子(三個以上)方差析法;再次,將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合,實現了這一典型非線性關系的高精度擬合,各年汛期上下游相應洪水位過程的擬合誤差都較小;最後,明確黃河下游含沙量對水位的主要影響方式,即含沙量主要是與其它因素聯合對水位作用;另外析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。
  7. Isolation and screen of microbial cell flocculent

    微生物胞絮凝物的
  8. For the purpose of exploiting the affluent resource of traditional chinese medicines, rat pheochromocytoma pc 12 cells were used as a model to screen the neuroactive components from natural products. most of all, the effect of it on inducing the differentiation of pc 12 cells and / or execute the neuroprotective effect challenged by serum - deprivation and oxidative pressure, and its mechanism were studied in this paper

    本文以利用我國豐富的天然藥物資源為目的,用大鼠嗜鉻神經瘤胞pc12作為模型,能模擬ngf的功能誘導pc12化、對神經胞有一定保護作用的天然藥物,並對其作用機制進行初步探索。
  9. And the differentiation of bmscs were determined to be chondrocyte after g4i8 selection. the bmscs in controlled group were dead about 1 week after g4, 8 selection. conclusions : 1

    對照組bmscs轉染后增殖活性較實驗組低,沒有向軟骨化的趨勢,經g _ ( 418 )后1周左右全部死亡。
  10. Multicopy integrants were screened with g418 from pichia pastoris which contains recombinant plasmid, and induced with methanol to secrete interesting peptide. the supernate of pichia pastoris culture was analysed by sds - page and western blotting. a reactive band, which the apparent molecular weight is 36kd, can be detected with sheep anti - hcmv polyclonal antibodies

    重組質粒轉化巴氏畢赤酵母, g418出多拷貝插入的單克隆,甲醇誘導多拷貝插入的單克隆酵母泌目的蛋白,培養液上清經sds - page電泳析,在蛋白質印跡中檢測到培養液上清有一表觀子量為36kd ,能與羊抗hcmv多克隆抗體發生發應的條帶。
  11. During the culture of the porcine ear skin fibroblasts, the successful rate was increased by selecting culture methods, contrasting donor age and improving culture condition. the rate of living cells in the method of combining trypsin cold treatment with trypsin heat treatment was much higher than that in the method of trypsin heat treatment. the results showed that the method of combining trypsin cold treatment with trypsin heat treatment had less adverse effects on cells than the method of trypsin heat treatment

    在培養豬耳皮膚成纖維胞時從離方法、比較供體年齡和改善培養條件這三方面著手提高培養的成功率。實驗中發現胰蛋白酶冷熱處理結合法培養的胞存活率明顯高於胰蛋白酶熱處理法,說明使用胰蛋白酶冷熱處理結合法對胞的不利影響較少,胞產量較高。
  12. The space - saving design allows a classification, pre - screening and control screening of coarse and wet products at a reduced wear rate

    它能磨損少且節約空間地對物料進行類粗以及,適合於洗處理粗大以及潮濕物料。
  13. Instead, the committee recommends that papers received by the journal should be divided into uncontroversial and controversial, and the latter gone over with a fine comb of new checks

    因而委員會推薦另一種方案,將雜志社收到的論文為有爭議和無爭議為兩組,有爭議的論文將經歷一輪新審核的精
  14. At the same time, the method of disposal phase shift of ct by compensation is introduced. then the analysis and statistic of electrical power quality, the control scheme and compensating amount of capacitor for reactive power compensation are analyzed respectively. and in the paper, the control with a / y and the switch with ac contactor and solid state switch is valid measure not only for improving operate level economically and amending electrical power quality but also for avoiding of replacing switch frequently and decrease economic loss

    然後對現有的演算法進行了詳析、比較,出既能滿足硬體要求又可降低投資、保證精度、簡化軟體的方案,確定了準同步采樣的方案,並通過對準同步采樣誤差的析,提出了一種從45開始采樣,從而提高精度的采樣數據處理辦法,同時,對于電流互感器相位漂移提出了一種補償辦法,接著對裝置中電能質量析與統計以及無功補償中電容器的補償量、投切原則也作了相應析,其中對于無功補償採用y混合接線,並利用交流接觸器和固態開關共同投切電容,不但提高了經濟運行水平、改善了電能質量,而且有效的避免了頻繁更換開關,減少了經濟損失;最後,設計了裝置的硬體電路並繪制了相應的軟體流程圖。
  15. Abstract : the present production condition in yuquanling concentrator was analyzed, the necessity and feasibility of technical reconstruction were pointed out, and such technical measures as using autogenous grinding self - return screen and small magnetic pulley and increasing fine screen and their effects were described

    文摘:對玉泉嶺礦廠的生產現狀進行了析,並指出了技術改造的必要性和可行性,對自磨自返、小磁滑輪、加大技術措施及其效果進行了論述。
  16. Here we report a simple and effective method to induce escs into neurons, and with the help of genechip analysis we can confirm the induced cells as neurons and find some useful or specific genes in neural conversion as well

    本實驗擬摸索出一種簡便有效、無毒性的體外大比例誘導鼠胚胎幹化為神經胞的方法,並進一步通過基因晶元析證實誘導結果,神經化主導基因。
  17. The grinder is a combinatoon of crushing, screening and seperating, recovering tiny powders powder grains can be proper adjusted, and it ' s an ideal equipment

    該磨粉機是粉碎、、超離回收的組合機組。粉末粒度可按需要任意調節,是頻繁更換花色品種的理想設備。
  18. The grinder is a combination of crushing, screening and separating, recovering tiny powders powder grains can be proper adjusted, and it ' s an ideal equipment

    該磨粉機是粉碎、、超離回收的組合機組。粉末粒度可按需要任意調節,是頻繁更換花色品種的理想設備。
  19. Thirdly, the contingency screening is classified as security and insecurity ; only the insecure contingency needs detailed analysis and corresponding preventive control measures

    ( 3 )針對目前事故是通常將事故簡單地為穩定或不穩定,只有不穩定的事故才需要進一步詳析並採取相應的預防控制措施。
  20. The grinder is designed with high speed grinding, air classifying, cyclone separating, sifting and extra fine powder collecting

    該磨粉機是粉碎、、超離回收的組合機組。
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