聚合物切片 的英文怎麼說
中文拼音 [jùgěwùqiēpiān]
聚合物切片
英文
polymer chips- 聚 : 動詞(聚集; 聚積) assemble; gather; get together
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 切 : 切Ⅰ動詞1 (合; 符合) correspond to; be close to 2 (用在反切后頭 表示前兩個字是注音用的反切)見 ...
- 片 : 片構詞成分。
- 聚合物 : [化學] polymer; polymerizate; polymeric compound; polymeric substance; polymeride; polymerized su...
- 聚合 : 1 (聚集到一起) get together2 [化學] (單體結合成高分子化合物) polymerization; polymerize 3 [生...
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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。( 4 ) we use sem to observe fractured morphology of composites, and tem to observe dispersion and particle size of nanoparticles or composited nanoparticles in matrix. we also investigate dispersion property of composited nanoparticles in polymer matrix with the help of microtone
( 4 )採用掃描電鏡( sem )觀察缺口沖擊的斷裂形貌,通過透射電鏡( tem )觀察納米粒子和復合納米粒子的分散情況和粒徑的大小;通過超薄切片法研究復合粒子在聚合物基體中的分散性。After doing relative experiments and analyzing the reason according to the practical statistical data, it is sure that the white point is water soluble material including caprolactam and low - molecular materials, and at the same time it is also find the reason how the white point in the chips come into being, providing the valuable preventive way to the polymer plants
通過相關的跟蹤實驗和統計分析,確定了白點是水溶性己內酰胺單體和低分子物,同時找到了產生這種白點切片的根本原因,給聚合裝置提供了預防措施。However the machining of light - composite armor material is still a dead - hand problem to be resolved, and so, this dissertation analyses and researches the mechanical - physics performance, the tissue - structure characteristics and the machining mechanism of light - composite - armor material ( fiber - reinforced polymer - based composite and defense - bullet ceramics ) ; researches the machining technology of light - composite - armor material, developing the special cutters and special clamps. researches the machining technology of light - composite - armor after molding, mainly resolving the drilling a hole and cut a straight - line of defense - bullet ceramics / fiber - reinforced polymer - based composite. using the machining tools, which mainly include multiple - tools machining fiber - reinforced polymer - based composite holes and diamond saw - blade, diamond hole - drills machining defense - bullet ceramics and so on, researched in this dissertation, the machining - experiment of composite, defense - bullet ceramics and ceramics / composite was carried through, and good machining result was gained
然而,輕質復合裝甲材料的加工仍是一個亟待解決的問題,為此本課題分析研究了輕質復合裝甲材料的物理機械性能、組織結構特點和加工機理,即:維增強聚合物基復合材料和工程陶瓷;研製了輕質復合裝甲材料加工所用的專用工裝,主要包括專用刀具和專用夾具;研究了輕質復合裝甲成型后的加工技術,主要解決了工程陶瓷復合材料板的鉆孔和直邊切割加工;利用所研究的加工纖維增強聚合物基復合材料臺階孔用的復合刀具、切割直邊用的金剛石釬焊切割鋸片、加工工程陶瓷用的金剛石套料鉆、切割工程陶瓷復合材料板用的金剛石切割鋸片等加工刀具對纖維增強聚合物基復合材料和工程陶瓷,以及工程陶瓷復合材料板進行了加工實驗,並取得了良好的實驗效果。As well as in eukaryocyte ( hepg2 and cos - 7 ), then detect their antigenity as a basis study and explore of the choice of immunogen for preventive and therapeutic vaccines of hepatitis b. methods : the gene fragments coding 152aa ( si ) and 124aa ( s2 ) of the carboxyl terminus of hbsag were amplified by pcr from plasmid pecob6 with a pair of primers containing different endonuclease sites and were cloned into multiple cloning sites of plasmid pbks ( + )
為乙型肝炎的預防和治療性疫苗免疫原的選擇進行初步的研究和探討。方法:本研究利用聚合酶鏈反應( pcr ) ,通過設計帶有不同酶切位點的一對引物,從質粒pecob6特異性擴增hbsag蛋白羧基末端152個氨基酸( s1 )和124個氨基酸( s2 )的基因片段,分別將二者克隆到質粒pbks ( + )的多克隆位點,篩選重組克隆。With the increasing of montmorillonite content, the composites showed a trend of pseudo - solidlike at lower frequencies, the montmorillonite layers could align along the stress direction, and as a result, the dependence of dynamic modules on the frequency was quite different before and after suffering from large amplitude oscillatory shear
然而當蒙脫土含量低於和臉或蒙脫土片層在基體中呈完全團聚狀態,則復合材料表現出與聚合物基體類似的線性粘彈特性。實驗發現,在熔體經大振幅振蕩剪切后,上述「類固.Microcellularly foamed pvc matrix bonded strongly with wood particles, but developed some cell flaws at the interfaces of longitudinal cells due to the unsynchronized setting of extruding and pulling rates. 4
3由成品板條之橫切面視之,木粒片與發泡聚合物之膠合至為密和,若從縱切面視之,發現甚多泡沫缺陷。And the two pah ' s of pcr primers that bind to the adapter and the sequence of f fragment close by tn5 respectively were also designed. the genomic dna of b8 was isolated, digested with bamh i, and ligated to the adapter. using the two pairs of the primers, two rounds of pcr were performed hi turn and a fragment of 239bp was amplified successfully. lt was proved by cloning and sequencing that 18bp of the fragment is the sequence opposite to f fragment on the left of tn5 insertion site in b8f, the other is part of the 728 bp of f fragment. this result makes it possible to continue to carry out chromosome walking, to clone and sequence the whole genes of b fragment and f fragment, and to reveal the antagonistic molecular mechanism of b8
試驗研究設計併合成了由40和44個堿基的寡聚脫氧核苷酸組成的染色體爬行接頭,在接頭序列和測定的f片段近tn5的序列上,設計了2對染色體爬行用的pcr引物,從b8菌株中提取基因組dna , bamhi酶切,與染色體爬行接頭連接,依次用2對引物進行pcr ,擴增出239bp產物,經克隆、測序,發現其中18bp為擴增的相應于f片段在b8f菌株tn5插入位點對面的序列,其餘則為f片段728bp序列的一部分,為進一步進行染色體爬行,克隆和測定整個b和f基因,揭示陽菌株的拮抗分子機制提供了技術資料貯備。分享友人