重液選法 的英文怎麼說

中文拼音 [zhòngxuǎn]
重液選法 英文
heavy liquid process
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : 名詞(液體) liquid; fluid; juice
  • : 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
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  1. The total rna was isolated from pokeweed ( phytolacca americana ) leaves using the method of guanidine isothiocyante and used as template to amplify the total length and deleted mutant pokeweed antiviral protein ( pap ) gene by rt - pcr and then the pap gene was cloned into pgem - t vector. the sequencing results showed that pap gene had 99. 9 % identity comparing with the pap gene nucleotide sequence reported by lin et al ( 1991 ). the iptg - inducible expression vector containing the pap gene was constructed and transferred into e. coli bl21 ( de3 ) - plyss

    將缺失型pap基因克隆到植物表達載體pbi121中,通過氮冷凍組質粒轉入農桿菌lba4404細胞中,然後採用葉盤,在該農桿菌的介導下將pap基因導入普通煙草中,經過卡那黴素抗性篩,最後獲得了轉pap基因的工程煙草植株,摩擦接種煙草花葉病毒( tmv ) ,與非轉基因煙草相比,能夠推遲癥狀表現達2月之久,說明pap基因能夠在其它植物體內產生有活性的高抗病毒的蛋白質。
  2. Combining with practice of china ' s uranium ore heap leac hi ng, this paper proposes main ways and suitable technologies in the fields of emp hasizing feasib ility research, adop - ting strengthened technologies, improving equipment le vel, op timizing control technological factors and developing application range and so o n, which include adopting acid - curring and ferric sulphate - tric kle leaching process, bacteria heap leaching, countercurrent heap leaching, sele cting advanced material of heap bottom, developing large mechanized heap constru ction equipments and methods, popularizing drip i rrigation distributing solution, optimizing heap leaching process parameters, as we ll as developing recovery equipments suited to heap leaching, etc, in order to i n crease leaching rate, reduce heap leaching period and achieve more economic bene fits

    結合我國鈾礦堆浸實際,在視堆浸可行性研究、採用強化堆浸技術、改進堆浸裝備水平、嚴格工藝條件及拓寬堆浸的應用范圍等方面提出一些有效途徑及適用技術,包括採用拌酸熟化-高鐵淋濾浸出、細菌堆浸、制粒堆浸、逆流堆浸,用優質底墊層材料,研製大型機械化築堆方和設備,推廣滴灌式布,優化堆浸工藝參數,以及開發堆浸相配套的回收設備等,以提高浸出率、縮短堆浸周期,獲得更大的經濟效益。
  3. The disperse degree of the ceramic can greatly affect uniformity of the composite, which limit the poling voltage and affect the piezoelectricity. in this paper, the relationships among constitutes, microstructures, dielectric and piezoelectric properties were calculated by employing the banno unit cell mode ; pzt ceramic were synthesized by the hydrothermal method and the appropriate solution was selected according the adsorption of pvdf on the ceramic particle surface ; then, relationships between the disperse degree and the fabrication process were studied. base on these, the pzt / pvdf composites intermingled some pan were prepared and the microstructures were investigated

    論文首先利用bannounitcell模型,計算了pzt pvdf壓電復合材料的組成、結構、與其壓電和介電等性能之間的關系;針對壓電復合材料存在的均勻分散性差的缺點,用水熱制備的粒度均勻的pzt陶瓷粉末,並採用溶混和與聚合物pvdf進行分散復合,點研究了不同工藝條件下陶瓷的均勻分散性及其與材料微觀結構之間的關系。
  4. Objective to know the further which healing to central - vein indwelling catheter and reducing the complications. methods looking ore literatures and investigating issues. results the way of central - vein indwelling catheter has been developed from deep veins to periphery veins. the method of closing catheter choosing the fluid of closing catheter and reducing complications are still important matters for nursing catheters

    為了進一步了解中心靜脈留置導管臨床應用的相關知識,減少並發癥,通過查閱文獻、綜合論點,得出中心靜脈置管途徑已由深靜脈向外周靜脈發展,封管方及封管擇和減少並發癥仍是導管護理的要內容。
  5. The results showed mn and ni complexes possibly bind to dna by the mode of interaction, whereas zn complex possibly bind to dna by the modes of interaction and electrostatic binding. 5. in addition, we conjugated cleavage system with recognize system and analyzed joint products by hplc, which provide experimental basic for design of dual effects cleavage

    此外,本文還用咖啡酸純品來突破切割體系與識別體系(用氨基臂修飾的寡聚脫氧核苷酸)的連接,並用高效相色譜分析其偶聯產物,為今後設計併合成一種具有特異識別和高效切割雙功能的人工核酸酶提供了實驗基礎。
  6. Heavy liquid process

    重液選法
  7. In order to investigate the tolerance of ectomycorrhizal fungi to heavy metals in vitro, three culture methods, namely liquid culture without agitation, liquid culture with agitation and solid agar culture, were investigated to determine which method would give the best combination of fungal biomass and ec50. the results indicated that liquid medium without agitation was the best culture method

    為研究外生菌根真菌本身對金屬污染的耐性,比較了體靜置、體搖床和瓊脂固體培養這三種常用的菌絲體的純培養方,以真菌生物量大小和分離難易程度為主要指標,篩體靜置方為最優方
  8. The results also indicated that the virulence of the most ibdv field collected in recent years was between the typical very virulent and standard virulent strains. a very virulent strain gx8 / 99 of ibdv was studied for its mortality in spf chickens and commercial egg - type chickens at different age inoculated with bursal suspension of 20 - 2000 eld50 in repeated experiments

    擇致病性最強的來自廣西的gx8 99株,在對氏囊懸中病毒用雞胚半數致死量( eld _ ( 50 ) )定量測定后,在不同年齡的spf雞和商品代蛋用型塢多次復地比較研究了該毒株的致病性。
  9. Abstract : this paper deals with the application of vacuum system for acid & amp; alkali liquid transportation ( vsaalt ) in which practical problems are analyzed and the equipment selection for vsaalt is also minutely discussed

    文摘:本文結合實踐介紹真空輸送酸堿系統,著分析實際應用中遇到的問題,並對抽真空系統的設備型進行詳細的說明。
  10. Abstract : the method of using formaldehyde buffer solution a b sorption - hydrochloric pararosaniline spectrophotometry to determine sulfur diox ide in air has higher sensitivity and good selectivity, and prevents from adoptin g mercurial absorbent. but the conditions in lab are not well controlled, the v alue of reagent blank and standard curvilinear slope can ' t accord with the one s tipulated in “ methods for air and waste gas monitoring and analysis ”. some opra tional techniques for so2 determination in lab are introduced for reference

    文摘:以甲醛緩沖溶吸收-鹽酸副玫瑰苯胺分光光度測定空氣中的二氧化硫,方靈敏度高,擇性好,避免了使用含汞的吸收,但如果實驗條件控制不好,試劑空白值及標準曲線的斜率就會不符合《空氣和廢氣監測分析方》中規定的值,本文著從操作技巧方面對二氣化硫測定的實驗室質量控制進行分析,僅供參考。
  11. It was pointed with the experiment methods of electro - chemistry, metallographic analysis, weighing, spot count and bending that : the additives play an important part in getting high quality coating. however, the effect of different kinds of additives on performance of electrolyte and coating and the part of same additive in different electrolyte are varied. each additive is selective to electrolyte

    通過電化學方、金相組織分析、、斑點、彎曲等試驗方研究指出:添加劑對鍍層質量起著至關要的作用,但不同類型的添加劑對鍍和鍍層性能的影響並不相同,同一添加劑在不同鍍中所起作用亦有差異,各種鍍對添加劑具有擇性。
  12. This study we acquired the coding region of hcv ns5b gene by pcr of hcv full length genome and construct the recombinant plasmid pegep n3 - ns5b ; with the different concentration of g418 in the culture medium, we think the selection concentration of g418 for hepg2 cell is 800 g / ml ; the recombinant plasmid was transfected into hepg2 cell by lipofectamine2000 cells containing stable transformants were selected by the ability of resistance to g418 and isolated with the limited dilution. the stably transfected cell line expressing ns5b - egfp fusion protein was obtained by the detection under fluorescence microscope and rt - pcr

    本研究首先從hcv基因組中擴增出nssb基因,構建了nssb基因與報告分子egfp (增強型綠色熒光蛋白)基因的融合基因真核表達質粒pegfpn30 ;通過含有不同g418濃度梯度的培養培養hepgz細胞,確定了篩用g4181作濃度為800pg ml ;利用脂質體將該組質粒轉染hepgz細胞,經過有限稀釋和g4壓力擇,應用熒光顯微鏡和rtpcr檢測,獲得可穩定表達nssbegfp融合蛋白的hepgz細胞克隆。
  13. In the process of screening high efficient degradation bacteria for crude oil, it was found that the determination results of the degradation rates by uv spectrophotometry and weighing method varied from each other remarkably

    摘要在篩原油降解菌進行廢油降解實驗時,發現相同批次的發酵用紫外分光光度、稱測定原油降解菌對原油的降解率時,結果相差很大。
分享友人