正變株 的英文怎麼說

中文拼音 [zhēngbiànzhū]
正變株 英文
plus-mutant
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 株 : Ⅰ名詞1. （露在地面上樹木的根和莖） root and stem of a tree above the ground 2. （植株） individual plant; plant Ⅱ量詞（棵）
  1. Shaking flask experiments and hplc analyses showed that the four mutants no longer produced the toxic oligomycin, and only made four components of avermectins b, which were avermectin b1a, b1b, b2a, b2b. the yields of avermectins b in these mutants were separately equal to those in cz8 - 73. this revealed that olma genes deletion did n ' t affect the biosynthesis of avermectins

    將4株經southern雜交驗證正確的基因缺失突變株進行搖瓶發酵和hplc檢測，發現4個突變株均不再產生寡黴素而僅產阿維菌素b組分，阿維菌素的總產量和b1的產量與出發菌株相當，說明寡黴素pks基因簇的缺失並不影響阿維菌素的生物合成。
  2. Signals were strong in the cell periphery of procambium, and longitudinal signals were stronger than lateral ones ; in root ground meristem cytoplasm, concentration in the perinuclear region was stronger than one in the cell periphery. in cell periphery of root ground meristem, distribution of actin mrna was heterogeneous, longitudinal signals were stronger than lateral ones ; in callus meristem cytoplasm, concentration in the perinuclear region was low ;

    這表明，從棉花愈傷組織薄壁細胞到鳥巢狀管胞團再到正常苗的過程中肌動蛋白mrna的分佈和濃度都有明顯的變化，而在這里愈傷組織在分化到鳥巢狀管胞團后就不再繼續發育，因而推測，肌動蛋白mrna分佈和濃度可能影響愈傷組織分化出正常的植株。
  3. On the base of i. acidophilus strains pb1 mixed with enterococcus strains m1, pb2, a30, a31, bifidobacteria pba and inf were added in the culture. the results suggested pba and inf were limited on the co - cultures, its indicated that pba and inf grew badly with other probiotics in vitro each mice were given 0. 5ml fermentative liquor of probiotics strains pbl + a30, pba, pb1, m1, pb1 + m1, pb1 + a30 for one month

    將幾株體外性狀好的菌株pba 、 pb1 、 m1 、 pb1 + m1 、 pb1 + a30 ，每天以0 . 5ml每隻發酵液的量灌胃給正常小白鼠，時間30天，測定小鼠免疫器官指數和血清中細胞因子的變化，並觀察小鼠脾臟的變化。
  4. Shaking flask experiments and hplc analyses showed that 99 isolates still produced four components of avermectins b, in which the yields of avermectins b in 82 isolates were only about 0. 1 ~ 2 % of those produced by the parental strain olm73 - 12. 2 of 82 isolates were confirmed to be the correct gene replacement mutants by pcr and sequence analysis. the mutant only producing avermectins bl was not detected

    搖瓶發酵和hplc分析結果表明，有99個突變株仍然產阿維菌素b的4個組分，其中82株的發酵單位很低，僅為出發菌株olm73 - 12的0 . 1 2 ，從中挑取2株經pcr擴增和測序驗證，均發生了正確的基因取代；沒有檢測到僅產b1的突變株，這表明阿維菌素b2組分的產生並不是因為阿維菌素pks上dh2的部分活性所造成。
  5. The xylanase activity of the mutant kept stable after 10 generations. after orthogonal designing experiment, the optimum fermentation conditions of a. niger j 506 were obtained, which is as followed : concentration of the major carbon resource 4 %, ratio between bran and corncob 5 : 5, concentration of glucose 0. 1 %, concentration of ammonium oxalate as supplemental nitrogen resource 2. 0 %, the initial ph of liquid medium 5. 0, 100ml / 250ml flask

    經過正交試驗設計，得出突變株a . nigerj506產木聚糖酶最佳的工藝條件為：主碳源濃度4 、麩皮與玉米芯的比例為5 ： 5 、輔加碳源葡萄糖的濃度是0 . 1 、輔加氮源草酸銨的濃度是2 . 0 ，培養基初始ph為5 . 0 ， 250ml三角瓶的裝液量為100ml 。
  6. In today s world, traditional norms, values and order are changing with unprecedented speed and on a scale never before imagined. in the middle is marubeni s globe - spanning network with a vast number of people demanding products and services that deliver real value. amid the ongoing shift to global standards and far - reaching changes in telecommunications, marubeni is opening new business frontiers that touch the lives of people everywhere

    丸紅株式會社擁有覆蓋全球的網路和巨大的消費人群，要求提供貨真價實的產品和服務，在面對具有全球標準和深遠變革意義影響的電信方面，丸紅正在開拓與全世界每個角落人們生活息息相關的新前沿業務。
  7. Saturated sand are testes in the laboratory under the undrained cyclic loading condition with static - dynamic dual purpose triaxial compression test apparatus, which is designed under the cooperation of hohai university and marui co. ltd japan. the results indicate that the stress path approaches from a initial stress point to the failure lines as cyclic loading goes on, and eventually converges on a certain limiting stress path in the vicinity of the failure lines. the stress - strain curve, however, does not converge on a closed hystersis loop ; the shear strain rapidly increases in looser sand or gradually and continually increases in denser sand

    利用河海大學與日本圓井株式會社共同研製的新型的多功能靜動三軸儀進行了飽和砂土循環扭剪不排水試驗，研究表明，對于松砂，剪應變幅度快速地由微小增加到百分之幾甚至百分之十幾，對于緊砂，剪應變幅度逐漸地由微小增加到百分之幾甚至百分之十幾；經試驗初步研究表明用初始有效平均正應力歸一化的有效應力路徑很好的一致性。
  8. When both genes were co - expressed in e. coli, the activity of ppsa varied from 2. 1 - 9. 1 fold comparing to control, but the activity of tkta was relatively stable ( 3. 9 - 4. 5 fold ). whatever the two genes were expressed respectively or cooperatively, both could promote the production of dahp, the first intermediate of the common aromatic pathway, but co - expression was more effective on forming dahp and screened ppt - and ptp - as more effective. the results demonstrate that co - expression of ppsa and tkta can improve the production of dahp, and what ' s more, when multigenes co - expressed, the recombinant which has coordinated enzymes activity is optimum

    莽草酸途徑的最優化和整體調控基因csra的敲除正是上述改變的分子基礎，同時也為三種芳香族氨基酸的基因工程菌的構建打下了基礎; 7 .在國內外首次實現了共同途徑限制性底物關鍵酶ppsa刁無『及arog與分支途徑關鍵酶基因phea的串聯高效表達，所構建的重組質粒ptga ，其ppsa 、 tkta 、 arog 、 cm和pd的酶活分別比對照提高了3 、 2 、 2 ， 5 、 4 、 2 . 3倍，且其酶活比較協調一致; 8 .將ptga導入到篩選的基因敲除和基因替換菌株大腸桿菌31884 c甲b中，搖瓶發酵證實比以往所構建的基因工程菌株具有較高的phe產量和糖轉化率率，分別為0 . 448 %和22 . 4 % 。
  9. We did not find none of the articles report about the genetic and degenerative mechanism. the degeneration of strain is common in artificial - planting, it is one of the most urgent problems that need to solve

    本實驗中，運用rflp和rapd兩種分子標記技術及同工酶分析技術對正常菌株和其退化菌株進行了dna和蛋白質水平的分析，以期獲得表型性狀的變化所涉及的dna和蛋白質水平的標記。
  10. Researchers believe the virus is evolving rapidly there, increasing the chance that future strains, some perhaps more dangerous to humans than current versions, may arise in the country

    研究人員相信：病毒正在中國迅速演變，使中國更有可能出現未來型的病毒株，其中一些對人類的威脅也許比目前的類型更大。
  11. A few years latter the research showed, vp2 hydrophilic region and antigen variant and virulence of ibdv had very affinity. in order to lucubrate difference of virulence and antigen, and validate correntness of sequencing result, the test adopted sandwich enzyme - liked immunosorbent assay ( elisa ) and antigen caprure - elisa to determine virulence and antigen. and validate correntness of above - mentioned result

    而近幾年的研究表明， vp2高變區與ibdv的抗原變異和毒力強弱有密切的關系，為進一步了解強弱毒株毒力和抗原的差別，並進一步證實測序結果的正確性，本試驗採用雙抗夾心elisa和ac - elisa的方法分別對其毒力和抗原進行了測定，並通過動物試驗證實了，其結果與序列分析結果基本一致。
  12. In shaded environment the microenvironment, plant morphological characteristics, leaf anatomical structure and physiological metabolism, endogenesis hormone and photosynthesis of turfgrass vary significantly in order to maintain energy equilibrium and grow well

    摘要蔭蔽環境下，草坪草的微生境、植株形態特徵、葉片解剖結構以及內源激素、光合等一系列生理代謝過程都發生了顯著變化，以保證在弱光下仍能維持生長所需的能量平衡，進行正常的生命活動。
  13. As a result of adapting shaded environment, large variations took place in photosynthetic unit size, electron transmission, pigment content, endogenous hormones and enzyme activities, morphological and anatomical structure, nutrient absorption and distribution to ensure fully utilizing light energy at shading conditions, and to maintain its energy equilibrium and normal life activities

    草本植物為適應蔭的環境，導致在光合作用單位、電子傳遞、光合色素含量、內源激素及酶活性、植株形態解剖結構、營養物質的吸收及分配等方面產生變化，以保證在遮蔭下仍能充分利用光能，維持生長所需的能量平衡，進行正常的生命活動。
  14. Toxic effects of high acidity of acid rain and high concentrations of zn or cd on growth of brassica chinensis l and phaseolus vulgaris l were obvious, which was showed in the fact that the leaves were smaller and narrower than the contrast, and the growth of the plants were inhibited

    強酸性降雨和土壤高濃度的zn 、 cd污染對小白菜和四季豆生長產生毒害作用，主要表現在葉片變窄變薄，失綠現象明顯，植株矮化，生長發育受阻。小白菜、四季豆根、葉中mda含量與zn 、 cd濃度呈正相關。
  15. To make the ti plasmid pbi121 - nhap for transformants the tobacco ( nc89 ), at the same time to make the pemu - mcs - n - nhap and pwubi. tml - nhap for transformants the yan wheat 18. we getted 4 transgenic tobaccos, measured the ability of salt tolerance by treatment in 150 mmol / 1 nacl, found that the transgenic tobaccoes can growth and the control tobaccos ca n ' t

    通過比較轉synnhap基因煙草與對照煙草的耐鹽性，發現4株轉synnhap基因的煙草再生苗在含150mmnacl的培養液中處理兩周后，植株外觀無明顯變化，葉片生長情況正常，而對照植株的生長則受到抑制，葉片明顯萎蔫、失綠並最終脫落。
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