細粒篩分 的英文怎麼說
中文拼音 [xìlìshāifēn]
細粒篩分
英文
fine sizing-
Series of screen - bohou adopt large amplitudes, big intensity of vibrations, flexible screen surfaces, the motion parameters characteristics of adjustable amplitudes ; the unique structural features of " board of screen active, box inactive, unattached vibration of the screen surface " ; though segmented, multi - segments of screen surface jointed, large - scale of screen equipments can be realized, the advantages of large area, big handling capacity and no special requirements to the water of materials make the screen to be the best screen equipments used for the small wet materials
簡介:博后篩系列採用大振幅、大振動強度、彈性篩面、振幅可調的運動參數特點;及獨特的「篩板振動、篩箱不振動、各段篩面獨立振動」的結構特點;經分段、多段篩面組合,實現了篩分設備大型化,大面積、大處理能力的優勢及對物料水分的無特殊要求,是潮濕細粒難篩物料的最佳篩分設備。Chemical analysis methods and determination of physical performance of alumina determination of the fine particle size distribution less than 60 m - method using electroformed sieves
氧化鋁化學分析方法和物理性能測定方法小於60 m的細粉末粒度分佈的測定濕篩法In this study, the recombinant fowl - poxvirus was transfected into expressing the vp3 gene of isolated gpv h1 strain into the cef cells with fpv - 017 by liposome, which have the lacz reporter gene, earlier / latter promoters lp2ep2 of fpv, promoters p7. 5 and p7. 1 of vaccinia virus, replication unnecessary region of fpv - 017. following 6 cycles screenings, clonings, purification of blue plaques, detection of pcr and dot - elisa, which verified the genetic stable vp3 - fowlpox virus recombinant constructed successfully. this study provided the theoretical and practical foundation for development of gpv recombinant fowl - poxvirus genetic engineering vaccine, as well as provided substance preparatory for prevention the high mortality gpv
本研究採用脂質體轉染方法,將含有完整gpvh1分離株vp3基因、報告基因lacz 、禽痘病毒早晚期啟動子lp2ep2 、痘苗病毒啟動子p7 . 5 、 p11和fpv - 017復制非必須區的轉移載體質粒psy681vp3lacz與fpv - 017共轉染雞胚成纖維細胞,經6輪蝕斑克隆、篩選、表達, pcr鑒定和dot - elisa檢測,證明該重組病毒已構建成功,並獲得了遺傳性狀穩定的鵝細小病毒vp3基因的重組禽痘病毒。Model lzs vibration sifting machine is modified on the base of model zs series delaminated sieve, which is suitable of flow line and is the ideal equipment for sifting out the granules in different size and proportion and for continuous materials - edlivering
Lzs型振動篩粉機是在zs系列分層篩粉機基礎上改進而成,適用於流水作業,是粗細顆粒比例不等過篩連續出料的理想設備。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篩選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細胞分泌目的蛋白,培養液上清經sds - page電泳分析,在蛋白質印跡中檢測到培養液上清有一表觀分子量為36kd ,能與羊抗hcmv多克隆抗體發生發應的條帶。Zy series vibrated filter is one of precised powder griddle, low noise, high efficiency, need only 3 ~ 5 minutes to rapidly replace the griddle, all closed structure. used to filter particles, powder and mucilage
Zy系列三次元振動篩是一種高精度細粉篩分機械,具有噪音低、效率高、快速換網只需3 ~ 5分鐘,全封閉結構,適用於粒、粉、粘液的篩分過濾。After electrophorised on 1 % agarose gel, the pcr production was purified with agarose gel dna extraction kit. the segment was ligated with vector pmd18 - t and then was tranformed into the competent cell of dh5 a. a construction mstnd - pmd18t was generated by inserting the sequence of 254bp into pmd18 - t vector and selecting the sense clones. positive clone was identified by three ways : endonuclease digestion, pcr and sequencing. the result showed that the cloned sequence coincides with the designed sequence. this construction was digested with nco i and xho i and ligated the pet28a ( + ) vector digested with the same enzymes using dna ligation kit. the production of ligation reaction was transformed into the competent cell of bl21 ( de3 ). after 12 - 16 hours of culture, several colnes appeared on the plate. some positive clones were selected to extract their plasmid. these plasmids were digested by nco i and xho i and indentified by pcr. a contraction, mstnd - pet28a was generated. the result showed that the cloned sequence coincides with the designed sequence
F _ 1長38bp , r _ 1長36bp ,其它片段均40bp長, f _ 1和r _ 1片段兩端分別加上限制性內切酶nco和xho的識別位點序列。用成對單鏈片段進行延伸反應,然後用其他單鏈片段作為引物,進行pcr擴增,用dna快速純化回收試劑盒回收所得254bppcr產物,與pmd18 - t載體連接、轉化dh _ 5 。受體菌感受態細胞,利用藍白斑遺傳學篩選法篩選陽性克隆,提取其質粒,採用nco和xho雙酶切鑒定,獲得了254bp的片段;用pmd18 - t載體上的特異引物rv - m和m13 - 47進行pcr鑒定,獲得300bp的片段。Determination of particle size distribution of fine powder - method of sieve classfication with sonic wave
細粉末粒度分佈的測定聲波篩分法In this experiment hcv structural gene was amplified by polymerase chain reaction ( pcr ), and was inserted into baculovirus expression vector pfastbacl to construct a recombinant transposing vector pfbl - cee. the plasmid pfb 1 - cee was transformed into dh1 obac competent e. coli cells. high molecular weight dna was prepared from the overnight cultures from the selected e. coli colonies, which was recombinant baculovirus shuttle vector containing hcv structural gene, named bac - cee
本實驗用pcr擴增hcv結構區基因,克隆到桿狀病毒表達載體pfastbacl中,構建成重組轉座載體pfb1 - cee ,轉化dh10bac大腸桿菌感受態細胞,篩選陽性菌落,抽提大分子質粒dna ,獲得含hcv結構區基因的重組桿狀病毒穿梭載體bac - cee ,脂質體介導轉染sf9昆蟲細胞,出現細胞病變后,收集含有重組桿狀病毒顆粒的培養上消,重新感染sf9細胞,收集sf9細胞,進行12 . 5 sds -聚丙烯酰胺凝膠電泳,可見表達的蛋白條帶。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。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、篩選、超細粉分離回收的組合機組。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。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、篩選、超細粉分離回收的組合機組。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。In this study, pichia pastoris system had been utilized for expression of fmdv 2c3abc gene which aimed for establishing a sensitive and specific molecular dignosis method. first, 2c and 3abc genes were amplified individually from p2 and 3abc postive clones and ligated together using pcr method, then this 2c3abc product was cloned into pgem - t easy vector and transformed e. coli dh5a competent cell. a postive recombinant plasmid which contained whole 2c3abc gene had been confirmed by pcr, enzyme digestion and sequencing. after that, the 2c3abc gene was sub - cloned into ppiczaa expression vector and transformed e. coli dh5 a competent cell and selected by zeocin ? antibiotic. the postive recombinant expression vector was linerized and electro - transformed pichia pastoris smd1168 competent cell. a recombinant pichia pastoris had been obtained by zeocin ? antibiotics selection and induced with 0. 5 % methanol for target protein expression. the expression product was analysised by sds - page and western blotting assay. the result sh owed that 2c3abc gene was expressed successfully in pichia pastoris and the product was a 95ku fusion protein which could be recognized by anti - fmdv serum. the amount of target protein was over 15 % of the total bacteria protein by gel thin layer scanning analysis. this research had supplied materials for establishing a fmd diagnosis method to differentiate infected animals from vaccinated animals
首先,用p2和3abc陽性克隆通過連接pcr方法獲得目的基因並將其克隆到pgem - teasy載體上,並轉化e colidh5a感受態細胞中,經pcr 、酶切以及測序證明得到了完整的2c3abc基因,並與國內外參考序列進行比較分析。然後,將目的基因亞克隆于ppiczaa表達載體並轉化大腸桿菌dh5a ,以zeocin ~ ( tm )抗性篩選陽性克隆,大量提取重組表達質粒並用pme酶線性化后電轉化入畢赤酵母smd1168感受態細胞,通過zeocin ~ ( tm )抗生素梯度濃度篩選,獲得重組酵母用0 . 5甲醇誘導表達,通過sds - page電泳、 westernblotting分析,結果表明, 2c3abc基因在畢赤酵母中成功表達,其表達產物為一95ku的融合蛋白,並能被口蹄疫病毒陽性血清識別。Review of screening technology and equipment for fine materials
細粒物料篩分技術和設備述評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濃度梯度的培養液培養hepgz細胞,確定了篩選用g4181作濃度為800pg ml ;利用脂質體法將該重組質粒轉染hepgz細胞,經過有限稀釋法和g4壓力選擇,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。On these bases, the aim of this study was to develop effective adjuvants for enhancing protective immunity of np30, we performed a series of researches on nanoparticles, cytokines and traditional chinese medicines, including their effector mechanisms. 1
在此基礎上,我們從疫苗佐劑研究入手,分別對納米顆粒、細胞因子和中藥進行系列研究,旨在篩選出能提高np30誘導保護性免疫作用的疫苗佐劑,並對其作用機制進行初步探討。In this study, the recombinant plasmid pmd - 18t - pea - h3 was cleavaged with ncoi, xhoi and inserted into the expression vector pet - 28c and subsequently subjected to restriction endonuclease analysis and sequencing, the result indicated that the prokaryotic expression vector pet - 28c - pea - h3 was constructed successfully. after the expression plasmid was extracted and transformed into expression hosts bl21 ( de3 ) of e. coli, the transformed hosts were induced by iptg, bysds - page and elisa analysis of host protein. the expression of the objective gene was detected, and it could account for 16. 28 % of the total host protein. inclusion body was prepared from the incubating expression hosts induced by iptg
同時將原核表達載體pet - 28c用nco , xho雙酶切,回收酶切產物,將回收的酶切產物pea , h3 ,載體進行連接,並轉入dh5感受態細胞內,培養12 - 18小時后,挑取陽性菌落,經nco , xho雙酶切分析及pcr檢測,篩選到陽性克隆,其質粒測序結果表明成功地構建了毒性基因缺失的pea與人組蛋白h3融合基因的原核表達載體。分享友人