positive strain 中文意思是什麼

positive strain 解釋
正應變
  • positive : adj 1 確實的,明確的;確定的;無條件的 (opp qualified implied inferential); 絕對的,無疑問的,...
  • strain : vt 1 用力拉,拉緊,抽緊,扯緊。2 使緊張;盡量使用(肌肉等)。3 強迫,強制;濫用,盡量利用。4 拉傷...
  1. 3 ) a heterotrophic nitrifier, named strain hn, was isolated from the greenhouse soil. the cells of isolates were gram positive, rod or coccus

    一3 )從土壤中分離到一株異養型硝化細菌,命名為菌株hn ,分離菌株為革蘭氏染色陽性,球狀或桿狀。
  2. Flow cytometry measurements were done to detect the changing of fluorescent signal of the reporter strain and give expression situation to ybt indirectly. 7 eaggec hpi - positive strains revealed an enhanced fluorescence signal but 1 eaggec hpi - negative did not so

    3n ) ,將待測eaggec菌株的培養上清加入該報告菌株培養物中,用流式細胞術facs方法檢測報告菌株熒光強度的變化情況,間接反映ybt的表達與否。
  3. Among inorganic salts tested, k2hpo4was more essential to the sclerotia formation and carotenogenesis of strain pt9s than kcl, mgso4 or feso4 it was also shown that the combination of k2hpo4, kcl and mgso4 could produce the best positive cooperation and give the highest sclerotia biomass ( 782mg / plate ) and pigment yield ( 328 g / plate ). all of five carbon sources, i. e

    4 .研究了無機鹽和碳氮源對青黴pt95菌株菌核生物量和類胡蘿卜素產率的影響作用,結果表明:供試的4種無機鹽中, kzhpo ;的單因子效應最好; kzhpo4 + kci + mgs04表現出最好的正協同效應。
  4. Stem : the tee - head disc - stem connection prevents lateral strain on the stem for smooth, easy operation. accurately cut threads engage the yoke sleeve for positive control of disc position

    閥桿: t形閥瓣-閥桿連接防止施加在閥桿側面的應力,確保操作平穩順暢容易。軛架套管準確的螺紋連接有助於閥瓣位置的調整控制。
  5. The expressed product was lysised with supersonic wave and purified by sds - page. elisa analysis revealed that the antigenicity of the vpi protein has been detected. the forth part - detection of aev - nh937 strain by in situ hybridization ( 1sh ) - probe was labelled with digoxigenin ( dig ). then the probe hybrid with 5d, 10d, and 20d postinfection brain tissue of chicken. the results of the ish showed that the positive signal was found in 3 cases, while control group was negative. there has been a reasonable correlatien between this method and other detection test

    經超聲波裂解,用尿素溶解包涵體,電泳純化后,利用elisa檢測vp _ 1外殼蛋白,表明具有一定抗原性;第四部分:應用原位雜交檢測aevi用dig標記的探針與sd 、 10d 、 20d的攻毒雞腦組織雜交,來檢測那v的rna 。
  6. The strain and its metabolites are identified. the results show that the culture has a broad antimicrobial spectrum against some gram - negative and gram - positive bacteria, and moulds, especially against e. coli, bacillus cereus, and staphylococcus aureus

    研究證實,分離出的r21 - 4具有廣譜抗菌作用,對革蘭氏陰性菌、革蘭氏陽性菌、真菌都有一定的拮抗作用,特別是對大腸桿菌、金黃色葡萄球菌、蠟狀芽孢桿菌抗菌作用較強。
  7. The fragments were ligated directly to the pichia pastrois expression vector ppic9 to got ppic9 - e3and ppic9 - e8. vectors were amplificated in the e. coli dh5 a and were linearized with bgl ii. the linearized vctors were transformed into host strain gs115. the recombinated strain was selected though phynotype and pcrthe positive strain was induced with methyl alcohol and was selected by dot - elisa. the recombinated protein was detected with sds - page and western - blot as before

    重組菌用甲醇誘導表達,用dot - elisa的方法篩選到表達量較高的菌株。將篩選出的菌株大量的誘導表達,對表達上清處理后,用sds - page和western - blot進行鑒定。同時,用hiprep16 10heparinff肝素親和柱對表達蛋白進行了初步的純化。
  8. The two isolates were positive reaction hi polymerase chain reactions with two pair of primers specific for alv - j and gave antigenically strong reaction hi the indirect fluorescence antibody assay ( ifa ) with alv - j specific monoclonal antibody je9. negatively - stained electron microscopic and immune - electron microscopic observation demonstrated that viral particles of the inner mongolia and shandong isolate of alv - j, respectively designated imc10200 and sdc2000 strain of alv - j, showed characteristic morphology of alv

    利用pcr和間接免疫熒光反應進行鑒定,兩株j亞群禽白血病病毒可以被兩對alv - j特異性引物擴增(特異條帶約2 . 2kb和545bp ) ,且在特異性單克隆抗體je9的間接免疫熒光檢測中呈現強陽性熒光反應。
  9. Test results show that : ( 1 ) the amount of creep deformation during monotonic primary loading depends on strain rate before creep, creep stress level, and creep time ; ( 2 ) during monotonic primary loading, the stiffness increasing magnificently shortly after creep ; ( 3 ) the direction of creep will change from positive creep ; to neutral creep and negative creep during unloading, while during reloading, it will change from negative, to neutral and positive creep

    試驗結果表明: ( 1 )在初始加載過程中,經過一定時間蠕變后黏土的強度有很大的提高; ( 2 )在卸載過程中,隨應力值下降黏土的蠕變表現出由正蠕變、中性蠕變到負蠕變的逐漸轉化; ( 3 )在重復加載過程中,隨應力值增加黏土的蠕變表現出由負蠕變、中性蠕變到正蠕變的逐漸轉化。
  10. The bioactive strain ' s fermentation product was isolated and purified primarily using methods of solvent extraction, acid - alkali extraction, ab - 8 macropore absorption chromatography, 1 x 007 positive ion exchange chromatography, the result showed the purification product has prominent bioactivity inhibit staphalococcus aureus

    中國熱帶農業科學院、華南熱帶農業大學2003屆碩士研究生採用有機劑抽提法、酸堿抽提法、大孔吸附樹脂柱層析和陽離子交換樹脂柱層析等方法對hsl 306菌株發酵產物進行了初步分離純化。
  11. The results show that there are 7 strains hpi positive except 1 strain hpi negative. hpi in 6 strains of 7 hpi - positive strains is inserted into asnt - trna site. the expression of fyua gene, which encoded fyua, the receptor of ybt, was upregulated by extracellular ybt level

    研究結果提示,除1株eaggec中國分離株hpi 」外,其餘7株均為hpi且7株中有6株攜帶的hpi毒力島均插入在染色體的asnttrna位點。
  12. Major difference of hn proteins lies in no. 18 - no. 75 amino acid residues on n - terminal which includes three active sites of hn protein. the influence on biological action, caused by the difference of hn protein, is needed to study further. hn gene has only four glycosylation sites, which is 1 or 2 less on amount than that of other strains. so, this difference can be take on as a natural mark of ndv b95 strain furthermore, the fragment encoding hn gene was excised from the positive clone pgem - hn with sail and saci enzyme, and purified by agrose gel fraction method. then the fragment was subcloned into the pet - 28c expressing vector digested by sail and saci restriction enzyme

    作者將正確的重組克隆質粒pgem - hn用saii 、 saci雙酶切,電泳回收目的片段,將其亞克隆到經saii 、 saci雙酶切處理的pet - 28c中,轉化大腸桿菌tgi感受態細胞,得到的轉化子經pcr鑒定和酶切分析,篩選出符合閱讀框的重組子,構建成重組表達質粒pet - hn ,並在大腸桿菌bl _ ( 21 ) ( de _ 3 )宿主菌中成功地表達了含目的蛋白的融合蛋白,融合蛋白的分子量約66kd ,加入iptg誘導8h后,蛋白表達幾乎達到最高水平。
  13. The objective of this research is to transform the cloned phytase gene into pichia pastoris in order to obtain high - yield phytase - producing strain and to optimize the engineered yeast media recipes for the scale - up production of phytase. main results of this research are as follow : 1, xba i - linized recombinant plasmid ppic9k - phya was transformed into pichia pastoris by gene pulser. 98 positive transformants showing measurable phytase activities were screened on md plates and ypd plates containing g418. they all grew quickly on both md plates and mm plates, which proved their phenotypes of methanol utilization were mut +

    主要實驗結查如下:西南農業大學碩士學位論文1 、用乃ai酶切攜帶植酸酶基因表達片段的重組質粒ppicgk夕句) a ,回收dna ,用genepulser電擊轉化畢赤酵母,塗布md平板,又用含不同濃度g418的ypd平板進行抗性篩選,得到98個可檢測到植酸酶活力的陽性轉化子,它們在md 、 mm平板上均表現快速生長,說明其甲醇利用表型是mut干。
  14. The ubi - sl - tocs fragment was taken out, inserted into the multi - cloning site of pcambia1300 vector, transformed into jm109 strain finally, positive colonies were screened on lb plate ( 60 g / ml kan added ). the result of pcr and enzyme digestion of plasmid proved that recombinatin vector was obtained ( named pcusaib4 and pcusaibu )

    把擴增產物分別通過clai和bamhi酶切純化,連接到用clai和bamhi切去gfpml基因的中間表達載體pugfpocs中,轉化大腸桿菌jm109 ,在含amp ( 100 g / ml )的lb抗性平板上篩選到了的陽性菌落。
  15. Sequence analysis shows that they share 98. 75 % similarity at the dna, and 98. 67 % at the protein level. ns2 gene was cloned into the multiple cloning sites of prokaryotic expression vector pgex - 6p - l. the recombinant plasmid pgex - 6p - ns2 was constructed and transformed to the competent cell bl21 ( de3 ) plyss, positive bacterium strain was induced by iptg

    將ns2基因插入到原核表達性質粒pgex - 6p - 1的ecor 、 bamh多克隆位點之間,將重組原核表達質粒pgex - 6p - ns2轉化到bl21 ( de3 ) plyss感受態細胞中,獲得了表達ns2基因的陽性亞克隆重組子,在含amp的lb液體培養基中培養,經iptg誘導表達,用sds - page分析表達產物。
  16. Resolving displacement, stress, strain of a structure on the base of known loads motivation is a positive problem of structural analysis

    已知荷載激勵求結構的位移、應力和應變響應屬于結構分析的正問題。
  17. Because of those, the paper systems analysis the complicated geological environment, the character of rock mass ' s stress field and the stability of landslide on the right bank, in addition, the paper also deeply studied the geological engineering problem after the dam was builded in order to provide science datum for engineering decision, and elicited several conclusion : ( 1 ) the character of rock mass ' s stress - strain and new structure stress fieldrfrom the middle of q3 to today, the direction of the maximal principal stress has already changed to the sn, the stress - strain action and three direction of stress have been changed from " potential positive break " to " potential slide "

    同時通過以上的分析研究本文得出了以下主要的結論與認識: ( 1 )最新構造應力場與地殼巖體應力?形變作用的現今特徵:自晚更新世( q _ 3 )中期以來,區域應力場的最大主應力( _ 1 )作用方向轉為近南北向( n10 w )作用並一直持續至今,地殼巖體的三向應力狀態及應力?形變作用經歷了由早期的「潛在正斷型」轉變到近期的「潛在走滑型」兩個不同的發展階段。
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