biological difference 中文意思是什麼

biological difference 解釋
生物差異
  • biological : adj. 生物學（上）的。 a biological test 生物學檢驗。n. 【藥學】生物製品，生物制劑。adv. -ly 生物學地，生物學上。
  • difference : n. 1. 差異，差別。2. 不和，爭論。3. 【數學】差，差額。4. 【邏輯學】特殊性。vt. 〈罕用語〉區別，使有差別。
  1. This investigation of the two species is mainly dealing with their morphological characters, population biology, pollination biology and molecular biology, based on the following methods such as section slides, sem, artificial pollination, rapd analysis and gravity glass slides. this study is intended to demonstrate the distribution patterns of the populations for the two species, the numerical and spatial characteristics of ecological difference, the biological characters of seeds, pollination mode and reproductive stratigies, and molecular genetics. in light of the results from this study, the reasons that resulted in the present dangerous situation for the two species were discussed, and the suggestions for protecting them were proposed

    本研究以種群為單位，採用石蠟切片、掃描電鏡、重力玻片、人工授粉、 rapd分析等方法，對兩種植物的形態生物學、種群生物學、繁殖生物學和分子生物學等方面進行了詳細研究，以揭示它們的種群分佈類型及成因、種群生態環境差異的數量特徵和空間特徵、種子生物學特徵、傳粉和生殖策略以及種群分子遺傳特徵，進而探討兩物種瀕危的成因和機制，並針對性地提出了科學合理的保護對策和建議。
  2. The upper cretaceous and paleogene are of continental sediments in henan province, and the boundary between them considered to be unconformable or disconformable because of the very difference in sedimentation and biological assemblages

    摘要河南省上白堊統與古近系均為陸相沉積，在全省范圍內，兩者間呈假整合或不整合接觸，在沉積特徵上顯示出較大的差異，在古生物群的演化方面，也各自具有不同的特色。
  3. The percentage of polymorphic sites, degree of genetic polymorphism and genetic distance were compared and the phylogenetic tree was constructed by neighbor - joining method. the partial mitochondrial 16s rrna gene was amplified by polymerase chain reaction ( pcr ) and the pcr products were directly sequenced after purified. these sequences, together with the homologous sequences of another trichiuridae species lepidopus caudatus obtained from genbank were used to analyze nucleotide difference and to establish a upgma phylogenetic tree by means of biological informatics

    汝us價ay1830 ）各12個個體進行rapd分析，對比多態位點比例、遺傳多態度以及遺傳距離，並構建neighbor - join噸系統樹;通過pcr擴增出線粒體165rrna基因，純化后直接測序，利用生物信息學方法進行序列分析和核昔酸變異比較，結合ge紅bar止中大西洋叉尾帶魚（ lepid （護腳caud玫tuseuphrasen1788 ）同源序列構建u甲cm叭系統樹。
  4. The results indicted that species with positive association have similar biological characteristics and demand similar habitats, and the relationships among species - pairs are of significant difference in different types of community

    結果表明，對生境要求相同或相似的種對表現出顯著的正關聯；種間關系因群落類型不同而有明顯差異。
  5. The wide difference in biological traits and as - accumulating ability among pteris vittata genotypes illuminated that it is possible to develop the pteris vittata genotypes with higher as - bio

    因此，開發利用廉價、有效的肥源是植物修復過程中重要的一環。同時土壤水分狀況與植物生長發育以及砷的有效性關系密切。
  6. Thus, it will help elucidate the development, self tolerance of self autoreactive b lymphocyte repetoire to investigate the generation of naa. researches on the function of naa will help clarify the significance of naa ' s existence. the exploration of biological nature, encoded gene and the difference or relation between naa and pathological autoantibody will shed much light on the pathological mechanism and treament of autoimmune disease

    因此，對naa產生機理的揭示將有助於回答免疫學b細胞產生、發育以及自身耐受的問題；對naa功能的研究有助於進一步明確naa對機體的意義；對naa的特性、編碼基因、與病理性自身抗體界限和關系的研究可能對自身第四軍醫大學碩士學位論文免疫疾病的發病機制和治療提供有益的線索。
  7. By combining with the simulation result of the vertical circulation structure, we propose that the factors induced the distribution difference of calanus sinicus and chlorophyll - a concentration not only include the grazing activities, vertical circulation structure at the fronts also plays an important role. the circulation of bohai sea in spring is examined to provide a reliable physical environment for biological model

    首次抽出黃海海洋鋒區的垂向環流結構有利於中華哲水蚤在鋒區的聚集，葉綠素a濃度高值區偏離鋒區也與鋒區上升流結構密切相關，模型研究中首先對渤海環流的物理機制進行了研究。
  8. Fr - 008 and streptomyces griseus imru3570 are two independently isolated producers for a similar heptaene macrolide antibiotic. comparative studies between the two producers at chemical and biological level are the main task of the present work, no obvious difference was observed on the hplc profiles

    本文主要從化學和生物學兩個角度分析和比較了這兩個菌株的異同，並對抗生素的氨基海藻糖殘基基因進行了克隆嘗試。
  9. The difference in i. q. between siblings was a result of family dynamics, not biological factors like changes in gestation caused by repeated pregnancies, the study found

    研究發現，兄弟姐妹之間的智商差異是家庭動力造成的，而非生物因素所致，如多次懷孕引起的妊娠變化。
  10. 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。
  11. Considering that aspartic acid ( d ) and glutamic acid ( e ) are very similar to each other, together with the biological function of the landmark, thus that the two landmarks can be regarded as no difference ; 3 ) conservative cysteine in terms of their numbers and positions in the extracellular domain. in ghr1 group, fghrl and zfghrl have seven cysteins, which are the same as that of quadruped. in ghr2 group which includes cohoghr isf1, cohoghr isf2, chghr, fghr2 and zfghr2, the cysteine number and positon are very similar to each other but are different from ghr1 group. especially, the fghr2 has five cysteins that is one more than zfghr2 ; 3 ) conservative boxl domain. with all the ghrs identified so far, boxl are comprised of ppxpxp ( x represents any amino acid )

    在fghri和zfghri都為7個，數目和四足動物ghr一致;在fghrz胞外膚氨酸殘基為5個， zfghrz為4個，和同屬于ghrz的eohoghrisfl 、 eohoghrisfz 、 ehghr基本保持一致，但是卻和傳統的ghri有比較大的區別; 3 ）本試驗克隆和分離得到ghri和ghrz以及所有目前發表的ghr都有比較保守的boxl結構域，氨基酸組成為ppxpxp ，研究表明最後兩個脯氨酸殘基作用最大; 4 ）在所有ghr中都完全一致的boxz ，序列為料efi ; 5 ）在ghri和ghrz胞內部分都比較保守的酪氨酸殘基，他們被認為在信號傳導中起作用。
  12. The purpose of studying the structure - activity relationship ( sar ) of vitamin e is to study the difference of the molecular geometry, which has different effect on the reaction activity of the molecule and produce different biological activity. semi - empirical ami and pm3 method and ab initio 3 - 21g methods are applied to optimize the four different geometries of tocopherol in the present work. using the two methods we have obtained some parameters about the biological activity

    計算步驟是，先使用hyperchem6構造出各種化合物，用hyperchem自帶的分子力學mm +和polak - ribiere優化方法在目標分子的構象空間中尋找能量相對較低的構象，然後用am1半經驗方法進一步優化其構型，得到一系列能量值，然後利用hyperchem6 . 0其中集成的qsar模塊，計算化合物的qsar參數，其中包括：疏水性參數（ logp ） 、分子表面積、總體積、折射率、極化率等參數。
  13. When coaxial - line probe is used to measure the permittivity of biological tissues, the pulse is used as an excitation in order to get more information in frequency domain. so frequency - dependent finite difference time - domain method is used to calculate the forward problem. it need not change the pulse into frequency - domain, and can calculate the problem in time - domain, which saves the memory space and makes calculation fast genetic algorithm ( ga ) is used to solve the inverse problem

    在同軸線用於獲取生物組織的介電常數的研究中，為了獲得更多的頻域信息，採用脈沖作為激勵，故數值計算的方法採用基於頻域的時域有限差分法，該方法不用將脈沖變為頻域問題，可在時域中直接求解，因此極大節約了計算空間，在短時間內可計算完正問題。
  14. By the description of different methods for exposure assessment, the difference between environmental and biological monitoring, the qualitative and quantitative monitoring were clarified and the scope of application was given

    通過對苯的職業接觸評估方法的闡述，明確了環境監測與生物監測、定性監測與定量監測等不同概念接觸評估的監測方法及適用范圍。
  15. The temperature induction expression of the recombinant e. coli. was carried out and vhb protein of 16k - d was expressed. 3 we demonstrated the vhb owns biological activity by co difference spectrum

    ） 2構建了含有vgbm基因的原核表達載體pbv221svhb並轉化大腸桿菌菌株bl21 ，經熱激誘導，在培養物中檢測到了約16kd具有生物活性的vhb蛋白。
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