篩體 的英文怎麼說
中文拼音 [shāitǐ]-
High frequency of bud induction was found on ms medium supplemented with 6 - ba the optimum medium for adventitious bud induction was ms + l. 0mg / 1 naa + 0. 5mg / l 6 - ba, and ms + 1. 5mg / l naa + 0. 5mg / l iaa for bud rooting
門）誘導毛狀根體細胞胚再生植株。通過正交實驗篩選出了毛狀根體細胞胚誘導的最佳培養基為： ms 05mg lnaa 0 sing kt 30gil蔗糖。A - type crystal structure potassium. it is a kind of aluminosilicate of alkali metal
3a型分子篩是指a型晶體結構鉀型，是一種堿金屬的硅鋁酸鹽。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感受態細胞，轉化后經分子量比較、 pcr鑒定和酶切分析篩選陽性克隆。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，通過液氮冷凍法將重組質粒轉入農桿菌lba4404細胞中，然後採用葉盤法，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選，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。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、細胞突變體的篩選、原生質體融合、無融合生殖以及分子標記輔助育種和轉基因技術等方面。Wild arabidopsis thaliana seeds were mutagenized with y - ray, and m2 populations were screened in the medium containing 200mmol / l nacl. 352 potential high - salt - tolerance mutants were selected from 80, 000 m2 seedlings, and 4 of this m2 mutants showed high - salt - tolerance in their m3 generation. this high - salt - tolerance mutants were backcrossed with the wild type arabidopsis thaliana
在含200mmol lnacl的改良ms培養基上，通過對約80 ， 000株m _ 2代幼苗的篩選，共獲得352株根仍表現向地性生長或真葉不變為褐色的植株作為可能的突變體。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基因分段截短的方法，獲得了對酵母細胞即無毒性作用，又沒有自激活作用的「誘餌」 ，通過它在酵母雙雜交系統中篩選構建於ad載體的人胎肝。A genetic transformation model for the brown seaweed undaria pinnatifida has been primarily set up by using micro - particle bombardment as the method, female or male gametophytes as the gene recipients, hybridization as the regeneration route and chloramphenicol, hygromycin or basta as selective reagents
本文從轉化受體、轉化方法、報告基因、再生途徑、篩選方法等方面對裙帶菜的遺傳轉化進行了研究。首先，分離並建立了裙帶菜雌雄配子體的無性繁殖系，進行了裙帶菜的不同再生途徑的研究。By using primers designated for lacz gene, pcr result suggested an integration of lacz into u. pinnatifida genome. nine reagents including penicillin g, kanamycin, g418, teicoplanin, zeocin, chloramphinicol, hygromycin, basta and methotrexate were tested as selective reagents for selection of transgenic sporophytes. the results showed that young sporophytes of u. pinnatifida were sensitive to chloramphinicol and hygromycin and very sensitive to basta which suggest the potential of using the resistance genes as selectable markers
，為了解決轉基因裙帶菜的篩選問題，進行了裙帶菜幼孢子體對不同篩選壓力的敏感性實驗，包括抗生素類的青霉素g 、卡那黴素、 g418 、硫酸鏈黴素、鹽酸潔黴素、 zeocin 、氯黴素、潮黴素，除草劑類的basta ，氨甲喋呤類的氨甲喋呤，結果顯示裙帶菜幼孢子體對氯黴素、潮黴素敏感，對basta非常敏感。The synthesis methods of isobutyl acetate catalyzed by p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, cupric chloride bi - hydrate, stannic chloride pentahydrate, ammonium ferric sulfate dodecahydrate, sodium bisulfate monohydrate, potassium bisulfate, chitosan sulfate, sodium dihydrogen phosphate, rare earth metallic oxide, solid super acid, heteropoly acid and molecular sieve etal were reviewed
摘要評述了對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水三氯化鐵、二水氯化銅、五水四氯化錫、十二水合硫酸鐵銨、一水硫酸氫鈉、硫酸氫鉀、殼聚糖硫酸鹽、磷酸二氫鈉、稀土金屬氧化物、固體超強酸、雜多酸和分子篩等催化劑催化合成乙酸異丁酯的方法。The results are summarized as follows. solid culture. in preliminary experiments, broomcorn millets ( yielded by the crop panicum miliaceum l. ) and foxtail millets ( yielded by the crop setaria italica l. ) were determined as optimal substrate for solid culture of p. delphacis
主要研究內容和結果分述如下：固體培養篩選確定了以黍米（ panicummiliaceuml . ，俗稱黃米）和粟米（ setariaitalical . ，俗稱小米）為最適固體培養基質，對飛虱蟲癘霉進行了成功的繁殖試驗。This paper made a research on effects of n - butyl alcohol as auxiliary in traditional mesoporous zeolite synthesis system
摘要研究了在傳統的水體系下，將少量正丁醇引入介孔分子篩合成體體系做助劑對介孔分子篩合成及其物化性能帶來的影響。The properties of calorifics, crystallinity, mechanism and shape memory were studied and the effect of structures on propt es were studied through the relationship between them
在材料篩選工作的基礎上，合成了具有形狀記憶功能的線型聚氨酯彈性體。研究了它的熱學性能、結晶性能、形狀記憶性能、機械性能。The target gene was then subcloned into plasmid vector and induced by iptg for its expression. after that, the recombinant protein was purified and used for the identification and characterization of its immunogenicity. the effect of the induced specific ige antibody on the hepatic granuloma formation and fibrosis after challenge infection with schistosome cercariae was evaluated
Niptg誘導表達，產物沉澱中於約45kda處顯見高合蛋白表達帶， westernblot分析表明，該蛋白帶可被篩庫血清中特異性lge抗體識別；而載體本身表達的26gst蛋白帶則否。In this study, iltv - nm98a strain and iltv - wanggang strain were multiplied in chorioallantois. a pair of primers were devised according to the nucleic acid sequence of iltv tk gene and the dna of multiplied virus was used as pattern to amplify the gene of tk by polymerase chain reaction ( pcr ). the product of pcr was linked with suitable plasmid. then, the recombined plasmid was converted to escherichia coli. the converted escherichia coli
根據已發表的iltvtk基因的核苷酸序列設計一對pcr引物，以增殖的兩株iltv的dna為模板，分別對它們的tk基因進行pcr擴增。將回收的pcr產物連接到適當的質粒載體上，轉化感受態大腸桿菌，通過篩選對iltvtk基因的陽性克隆進行擴增培養。Two vibrating motors or vibration generator are installed on the two sides of the screening frame and circumrotates widdershins to make it rotate in - phase in line with in - phase chasing principle, the screen vibrates with beeline, the materials are cast and screened continuously
本系列篩砂機是由兩個振動電機或者激振器安裝于篩框兩側，並反向旋轉，根據自同步追逐原理使其做同步轉動，使篩體做直線振動，物料被連續拋起並被篩分。Diameter of screen
篩體直徑mmTherefore it prevent from the dust flying caused by vibration during the period of sieving. the vibration motor is installed under the sieve. meanwhile it adapst spring to reduce vibratiion
篩體下部安裝振動電機，有效保證了設備的結構緊湊，下部採用彈簧減振，使整機在平穩狀態下工作。Discharging method of scrap groove has three types : frontal type, left type and right type, screen body should not be connected with other equipment, the clearance should be more than 60mm
廢料槽的卸料方式有前卸料左卸料和右卸料三種形式，篩體與其它設備不得剛性連接，其間隙應大於60毫米。The wind magnitude and wind pressure can be easily adjusted in a wide range with a displaying device avilable. a well - illuminated air suction hood is equipped, which ensures clear observation of the movement of materials. besides, on both sides of the screen there are four holes available that make cleaning easy. the inclination angle of screen can be adjusted within a scope of 7 - 9. therefore, this machine is able to maintain stone - removing effect even the amount of material fluctuates. it can be used to remove the mixed stones in foodstuffs, grains, grease, feedstuffs and chemical products
調節風量風壓方便，且范圍大有顯示裝置，配有大採光吸風罩，物料運動一目了然配有先進照明燈觀察，篩體二側設有四個清理手孔清理方便，去石篩面傾斜角度可可、調范圍7 - 9 ，因此本機在產量波動范圍之內均能達到去石效果及用於去除不同種類，糧食、雜糧、油脂、飼料、化工其它等的並肩石。分享友人