典型株 的英文怎麼說
中文拼音 [diǎnxíngzhū]
典型株
英文
typical strain-
It is difficult to locate a tree typical of a pure species in the arboretum and park collections of the united states and europe.
當你在美國和歐洲的樹木園或公園採集時,很難找到一株典型的純種樹。There are many adaptive changes in the two research subjects ( artemisia. songarica schrenk. and seriphidium. santolinum ( schrenk ) polijak. ) in morphology and anatomy, such as with the increase of the daily age, the root - shoots ratio increased ; the root became stronger ; the ratio of leaf volume and leaf area increased ; the volume of epidermic cell decreased ; the cut - icle and phellem layer on the surface of root thickened. stoma caved in leaf ; epidermal hair of leaf and stem well - developed, palisde tissue developed well, the cell gap decreased ; the spongy tissue disappeared ; leaf is kinds of isolateralthat is the typical xeromorphic structure ; crystal cell and fibric cell increased ; conducting tissue and mechanical tissue developed well ; bundle sheath appeared
實驗研究的兩種菊科( compositae )植物(準噶爾沙蒿( artemisiasongaricaschrenk )和沙漠絹蒿( seriphidiumsantolinum ( schrenk ) poljak . ) ) ,形態解剖方面的變化表現為:隨日齡增加,根長/株高比值日益增大;根系逐漸發達;體積與葉面積比逐漸增大;表皮細胞體積變小;角質層增厚;根外部出現加厚的木栓層;氣孔下陷;葉、莖部的表皮毛密布,柵欄組織日益發達;而細胞間隙日漸變小;海綿組織逐漸消失;葉面結構常為典型旱生結構? ?等葉面;晶細胞及纖維細胞數目增多;輸導組織、機械組織日漸發達;具有維管束鞘等等。The results of biological tests have demonstrated that allantoic fluid of the first passage virus did n ' t produce macroscopic pathogenic role to chicken embryos and after passaged for four times, gross lesions were observed in chicken embryo. the virus showed typical coronavirus under electron - microscope and it could n ' t form plaque in cef cells and could hemagglutinates chicken red blood cells after treatment with 1 % trypsin. to surprise, the virus replicated in cef cells also showed hemagglutination activity to chicken red blood cells. in addition, the spf chickens which inoculated with the virus isolated from the chicken damaged tissue showed clinical sign and grow lesion, but it ' s gross lesion did n ' t resemble to those of field outbreaks
生物學特性:雞胚尿囊液經離心、磷鎢酸負染后,電鏡觀察該病毒為典型的冠狀病毒;該毒株的第一代尿囊液對雞胚無肉眼可見的致病作用,當繼代到第5代后,胚體嚴重病變;病毒在雞胚中隨著接種時間的延長,其效價增高, 96h可達到48h的2倍;該毒株可在cef上生長,但不能形成明顯的蝕斑;經1胰酶處理后可凝集雞紅細胞;雞胚的第四代尿囊液病毒回歸動物體,病死雞腎臟呈典型的花斑腎,腺胃則未見肉眼可見的病變。A strain of subgroup j avian leukosis virus ( alv - j ) was isolated from an adult broiler breeder flock, which had a history of myeloid leukosis ( ml ), in inner mongolian. moreover, another strain of alv - j was isolated from a ml case in shandong
本研究從曾見典型ml病例的內蒙古某肉種雞場淘汰肉種雞和山東一例骨髓性白血病( myeloidleukosis , ml )肉種雞病例中,分離出兩株j亞群禽白血病病毒( avianleukosisvirussubgroupj , alv - j ) 。At first, plants would turn dark green but soon the top leaves would progress through typical k symptoms to bronzing and leaf curl
最初植株變得深綠,但很快上部葉片就會經歷典型缺鉀癥狀出現青銅癥和卷葉。Using the non - contact infrared ray temperature measurer and an index of temperature effect proposed by ourselves, the effects of artemisia ordosica and caragana intermedia on temperature at soil surface around individual plant are studied and compared with each other. comparison of temperature at soil surface showed that caragana intermedia has more obvious effect on soil surface temperature than that of artemisia ordosica
以鄂爾多斯高原典型植物油蒿和檸條作為研究對象,採用先進的非接觸紅外測溫法,並提出度量植株溫度效應的影響指數,對鄂爾多斯高原兩種典型植物植株附近地表溫度進行了比較分析,結果表明,檸條對地表溫度的影響較油蒿明顯。The typi ca1 symptom j s fold and b1 istering, even d istortj on, 1ops i ded j ] ] - - ] eaf, shorti ng p ] ant, there are motley with 1ight green and deep green, and some of the mot ] ey are ye1wt mm 1eave m tny : the i ]. 1 - - 1ed has arias mosai c, 1ops i ded, and the tissue of the i11 - - 1eaf has deteriorated exceeding1y, with s1ender pteridophyte 1. eaves, i l1 p1ant is green - - yei 1ow, obvious1y shortened in joint, the who1e p1ant serious1y shortened and grows thickly
南瓜病毒病的典型癥狀為皺縮有皰斑、甚至扭曲,病葉畸形,植株矮化;花葉葉片上出現淡綠色和深綠色相間的斑駁,有的斑駁明顯黃化;蕨葉叢枝型:病葉不但嚴重花葉、畸形,而且葉肉組織極度退化,纖細呈蕨叫葉狀,病株黃綠色,節間明顯縮短,整個植株嚴重矮化叢枝狀。Ma 104 cells were used for the replication and isolation of the virus. after four passages, the isolate could produce obvious cytopahic effects ( cpe ). typical rotavirus particles were seen with direct electron microscope
本實驗從吉林省某豬場發生腹瀉的豬群糞樣中,用ma104細胞培養,分離到一株prv ,盲傳至4代出現明顯病變,經電鏡觀察見有典型的車輪狀病毒顆粒。The study is mainly about finding the reason that caused atypical hc through analysis and homology comparison on e2 gene sequences and amino acid sequences of e2 glycoprotein among strains hclv, fc, hcv - jn, hcv - yc, shimen et. al. at last, the best program against hc was established in order to control and erase hc
本研究主要是對豬瘟兔化弱毒疫苗、豬瘟病毒野毒株抗原基因( e2 )進行序列分析和同源性比較,分析發生非典型性豬瘟的原因,並在此基礎上制定最佳豬瘟免疫程序。This strain ' s virulence was judged by mean death time of chick embryos ( mdt ), intracerebral pathogenicity index in day - old chicks ( icpi ) and intravenous pathogenicity index in 6 - week - old chickens ( ivpi ) and it was found to be the virulent strain. at last, it was tested by the recurrent infection and found that it was the newcastle disease virus ( ndv ), and it was named hbg - 1 strain. in order to find the difference of the cleavage site of this strain with f48e9 and ? 30 strain, a part of the cleavage site of fusion protein gene fragment was amplified by rt - pcr using a primer and sequenced. the sequence analysis showed this strain had low homology with f4ge9 and cso. a phylogenetic tree based on the published sequences of ndv reference strains was constructed and showed the isolated strain hbg - 1 belonged to the genotype w ndv, a novel genotype ndv
為了進一步探尋分離株與標準株的異同,又採用rt - pcr方法,擴增獲得分離株f _ o裂解位點附近的基因片段,經測序后與國際上已發表的新城疫病毒的核酸序列進行比較,結果表明其與標準株和疫苗株之間的同源性較低,僅為82 86之間。經系統發育進化樹分析后,判定該分離株為新城疫病毒( ndv )基因型。運用計算機軟體對其裂解位點處的氨基酸序列進行預測和分析,結果表明該分離株為新城疫病毒強毒株並具有基因型的典型結構特徵。In addition, the amino acid residue at position 191 of receptor binding site ( rbs ) was his ( h ) in our five strains but that of others was asn ( n ) in our country
五株病毒的ha裂解位點均為parssr glf ,是典型的低致病性毒株;構成受體結合位點的191位氨基酸為his ( h ) ,國內其它毒株都為asn ( n ) 。One 3. 4 kb bamh i and pst i restricted fragment with intll positive was cloned from shigella flexneri 2a isolate c101 - 1 and sequenced. sequence analysis showed the fragment with a array of intll, atti site, two cassettes of blaoxa - 30 and aada1, encoding oxacillinase and aminoglycoside adenylyltransferase respectively, and partial sequence of is1, replacing the 3 " conserved region usually found in typical class 1 integron. the gene cassettes regions were examined in all these 30 isolates by pcr with a pair of primers annealing to the sequences of intll and is1, and pcr products with same length were amplif
結果表明,此29株intll陽性志賀菌株有著相同的基因盒區,我們將之稱為志賀菌非典型i類整合子( intll和inth一151同時陽性) ;福氏志賀菌中此非典型i類整合子總浙江大學博士學位論文檢出率高達84 . 8 % ( 28 / 33 ) ,尤其是福氏2a和2b中均為100 % ( 13 / 13和9 / 9 ) :宋內志賀菌中則較低,為3 . 2 % ( l / 31 ) 。The gene was 1668bp in length, encoding the f protein composed of 553 amino acids. sequence analysis and its secondary structure prediction showed that the f protein had three major hydrophobic regions consisting of about 25 amino acids, six potential glycosylation sites and thirteen cysteines. a sequence region of basic amino acids, rrqrrf, was found at the f, - f2 cleavage site, indicating that f4ge9 was a typical virulent strain
序列分析和二級結構預測表明, f _ ( 48 ) e _ ( 9 )株f蛋白含有3個分別由25個氨基酸組成的疏水區,存在6個潛在的糖基化位點, 13個半胱氨酸殘基,裂解位點區域的氨基酸序列為rrqrrf ,說明f _ ( 48 ) e _ 9株是一株典型的強毒株。In this study, we examined class 1 and 2 integron in shigella sonnei and shigella flexneri isolates from hangzhou, china, to investigate their distribution and determine their gene cassette arrays and their location in genome. a atypical class 1 integron without 3 " conserved region was found to prevail among shigella flexneri isolates, and the excision models of it ' s gene cassette were charactered by inverse pcr. moreover the roles of gene cassettes in the atypical class 1 integron and class2 integron to confer resistance were discussed
本研究對杭州地區近年分離的福氏和宋內氏志賀菌株進行類和類整合子的檢測,了解其分佈特徵;進一步通過克隆測序和southenblot ,確定其攜帶的基因盒組成特徵以及其在基因組中的位置;在研究中發現了一種缺少3 』保守區的非典型類整合子,通過反轉pcr了解此整合子的切除基因盒的特徵;並對非典型類整合子和類整合子各自攜帶的aada賦予宿主菌鏈黴素抗性的不同能力,進行了探討。The result of this investigation displayed that the h9n2 subtype human isolates constituted gl - hk clade in gl - like sublineage with gl - like afvs isolated from hong kong together, and this kind of viruses, with possible abilities to infect human and induce human influenza pandemic, were not found in the mainland of china the viruses from china mainland belonged to y280 - like sublineage, except some individual genes of ck / sc / 5 / 97, dk / nj / 2797 and ck / hn / 62 / 00 were situated in gl - like sublineage, and only ck / sz79 / 97 isolated from shenzhen was classical g9 - like virus which prevailed in the live poultry market in hong kong in 1997, so this virus might come from hong kong specific administrative region of china
本研究結果證明, h9n2亞型人體分離株屬于g1 - like亞分支的g1 - hk小分支,該小分支毒株之間具有很高的同源性,因此該小分支aiv可能具有感染人的可能性,是具有引起人流感暴發潛能的病毒。目前在我國內地分離株中沒有發現這種病毒,只有ck sc 5 97 、 dk nj 2 97 、 ck hn 62 00的個別基因來自g1 - like亞分支;深圳分離株ck sz 9 97是典型的g9 - like病毒,可能來源於香港特別行政區;其餘所有內地分離株都屬于y280 - like亞分支。The segregation ratio of wild type plants to mutant plants in the population degenerated from heterozygotes was 3 : 1, indicating that the mutant is controlled by a single recessive gene, and designated tentatively as tor
同時,雜合株系呈典型的3 : 1分離比例,表明該突變性狀由單隱性基因控制,並將該突變體暫時命名為tor 。2. characteristic of atypical class 1 integron during the detection of typical class 1 integron using pcr, we found that among 30 isolates, most of which belonged to shigella flexneri, all were positive for intll but negative for their varied regions, and most of them were also negative for 3 " conserved region except three isolates positive
2 .非典型i類整合子的分佈及一級結構特徵在檢測典型i類整合子過程中,發現了30株intll陽性,但可變區陰性、 3 』保守區陽性僅有3株(陽性率為5 . 1 % ) ,推測福氏志賀菌株中可能廣泛存在著某種非典型i類整合子。When inoculated into 11 - day - old meat - type chick embryos, alv - j imc10200 and sdc2000 strain induced typical ml occurring after 42 weeks post - hatching
將分離毒株回歸感染肉雞, 21周齡時特異性引物pcr抽查檢測,抽查感染雞全部為陽性; 42周齡后出現典型ml病例。Based on long - term site studies and all - around investigation, we ascertained six subpopulations of lilium isingtauense at different altitude, applied gps, gis to make certain the orientation of individuals and mensurated their heights in each subpopulation, and estimated the age class of lilium tsingtauense. at same time some environment factors have been test with which the species growth and development have relationship. lilium tsingtauense, which mainly distributes in mountain lao, is an endemic, rare and endangered plant in china
我們選擇青島百合作為範例開展植物復合種群的研究,在長期全面調查的基礎上,選擇典型分佈區域設立了研究樣帶,確定了青島百合復合種群的六個局部種群,並圍繞個體生長階段進行了長期的跟蹤調查,應用gps對每株植物的空間位置進行了定位,測定了植株的高度,估測了植株的年齡等,在此基礎上將取得的調查資料與地理信息系統( gis )分析工具相結合,對青島百合復合種群進行了較為全面的研究。On the base of reality, and by taking the civil soe as research object, the thesis makes a theoretical and practical study on the transformation of soe orgnization structure. the first part of the thesis analyses briefly the new situation soe facing with, introduces the process of two transformations of western enterprise orgnization structure, and the present situation of soe orgnization structure and the reasons of transfomation ; then the thesis elaborate the theory basis of the transformation of orgnization structure ; in section iii. it introduces a few typical cases of the transformation of orgnization structure, in section iv. taking zhuzhou cemented carbide group corp. ltd
文章首先分析了國有企業面臨的新形勢,介紹了西方企業兩次組織轉變的歷程和我國國有企業組織結構的現狀及變革的動因;接著闡述了組織結構變革的理論基礎;第三部分介紹了幾個典型的組織結構變革案例;第四部分以株硬集團公司為例介紹了集團公司採用改進后的m型組織結構的設計和分析;最後指出了組織結構變革需要注意的幾個問題,得出了國有企業組織結構變革沒有統一的模式,需要靈活採用m型組織結構的結論。分享友人