biological activity 中文意思是什麼

biological activity 解釋
生物學活性
  • 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。
  • activity : n. 1. 活動；活躍；動作；活動力；能動性。2. 活性；放射性。3. 機能，功能。4. 〈美國〉機構。5. 〈pl. 〉 活動范圍。
  1. Biological activity in a soil is influenced by soil acidity and nutrient status.

    生物的活動被土壤養分含量狀況所制約。
  2. Particulate matter in soils and aquatic systems reacts with and influences the biological activity of pesticides.

    土壤和水系統中的顆粒物質都與農藥的生物活動起反應，並影響後者。
  3. Synthesis and biological activity of n - 5 - tetrazolyl - n ' - aryl formyl urea

    芳甲酰基脲的合成與生物活性
  4. Influence of melia azedarach seed coarse extract on biological activity of rice weevil

    苦楝籽粗提物對玉米象生物活性的影響
  5. To preserve the biological activity of bimolecular is paramount

    生物傳感器中生物分子固定化方法的研究
  6. Until now there are contradictorily results regarding the dominant soc stabilization mechanisms, possibly depending on factors, such as ecosystem and soil type, soil depth, soil managements, as well as soil biological activity and community composition

    至今，有機碳穩定性的主導機制尚不清楚，但影響因素與生態系統類型、土壤類型、土層深度、土壤管理措施、土壤生物活性及群落組成等有關。
  7. Its action site is located on the postsynaptic membrane and the biological activity of hwtx - i is located in the fifth p - turn containing lys25 and lys 27. to - conotoxin mviia is a neurotoxin belonging to one of n - type ca2 + channels inhibitors, purified from the venom of the conus marine snails, contains 25 amino acid residues with three disulfide binds. it adopts the pattern of ick and its linkage of the disulfide binds and space conformation are highly similar to hwtx - i

    -芋螺毒素mviia （ - conotoxinmviia ）是從芋螺屬（ conus ）海底蝸牛毒液中分離提純的一種活性多肽，屬于n -型ca ~ （ 2 + ）通道阻斷劑中一種，含25個氨基酸殘基，三對二硫鍵，其二硫鍵連接方式、分子的空間構象與hwtx -很相似，採取ick結構模體。
  8. Synthesis and biological activity of solanesyl glucosyl dibasic acid esters

    二元酸茄呢醇乙酰葡萄糖二酯的合成及其生物活性
  9. Synthesis and biological activity of oxime - ethers

    肟醚類衍生物的合成及生物活性研究
  10. After renaturation, the biological activity of mviia is nearly 100 % of that of natural one ; the activity of hm - 1227 is less than t | iat of hwtx - i ; however, hm - xw cannot block the neuromuscul ar transmission in an isolated mouse phrenic nerve - diaphragm preparation

    復性后的mv a摘要生物學活性接近天然mvlla的100 % ;嵌合體hm一1227的活性小於hwtx一i的15 % ;而嵌合體fd以一xw不能阻斷小鼠隔神經一隔肌的接頭傳遞。
  11. Synthesis and biological activity of methyl n - methoxylcarbamates containing pyrimidine

    甲氧基氨基甲酸甲酯類化合物的合成及生物活性
  12. Not only it the integrity retained trepang ' s nutrition ingredient and the biological activity metetial, moreover gained the massive low molecular peptide, enable this to have the absorption to be easier, fully, the nutrtion is more comprehensive, a more highly effective characteristic

    它不僅完整保留了刺參的營養成份和生理活性物質，而且獲取了大量的低分子肽，使本品具有吸收更容易、更充分、營養更全面、更高效的特性能超群。
  13. This paper reviews the chemical composition and biological activity of pu - erh tea, and discusses the substance basis of biological activty as well as the possible mechanism accordingly

    本文就普洱茶的化學成分和生物活性兩個方面進行綜述，推斷普洱茶生物活性的物質基礎及其可能的相關機理。
  14. Techniques of culture of prothoracic gland ( pg ) in vitro, 3h - ecdysteroid - radiounniunoassay, and methods of molecular biology and biophysics, for instance, nuclear magnetic resonance ( nmr ), circular dichroism cd ) and so on were engaged. the biological activity on ecdysteroidogenesis in vitro and in vivo of a group of analog peptides of bom - ptsp synthesized by chemical modifications and the relationship between the structures and functions were studied

    本研究利用~ 3h -蛻皮激素放射免疫分析方法、分子生物學、生物物理學的方法和手段、體外培養和體內導入等技術對bom - ptsp及其一組人工合成的與ptsp結構類似的多肽進行了結構和功能關系的研究，鑒定了它們的生理活性及其與結構的關系，以及它們在家蠶體內的活性及其與結構的關系，還對ptsp及其類似多肽進行了核磁共振和圓二色的研究。
  15. Biological activity was determined by egf dependent balb / c 3t3 cell line and with mtt colorimetric assay. extracts of the recombinant virus - infected and mock - infected cells, haemolymph of the recombinant virus infected and mock - infected silkworm larvae could all support the proliferation of balb / c 3t3 cell. this phenomena implied that there were some egf - like growth factors in the haemolymph of normal silkworm larvae, which could enhance the proliferation of the cell line

    用小鼠balb c3t3成纖維細胞和mtt法測定表達產物的促細胞增殖作用，發現重組病毒感染家蠶細胞72小時的胞內樣品與正常家蠶細胞裂解物，以及重組病毒感染4天的蠶血淋巴與正常蠶血淋巴均具有相似的促細胞增殖作用，甚至野生型病毒感染的細胞裂解物和蠶血淋巴也有一定的細胞促生長作用，提示家蠶系統本身可能含有能促進細胞生長、類似於egf的細胞因子。
  16. The md simulation data were analyzed in terms of average atomic positions, root mean square ( rms ) fluctuations, monomer - monomer interactions, hydrogen bond ( h - bond ) network, secondary structure, and so on. through the comparison, we found that when the system includes zn2 + ions and phenol, the stability of insulin hexamer is enhanced, but the conformational flexibility related to its biological activity is decreased. in addition, the insulin hexamer tends to dissociate in the absence of zn2 + and phenol

    通過對這兩個模擬所得到的軌跡在原子的平均位置、方均根漲落、方均根偏差、單體之間相互作用、氫鍵網路、二級結構等方面進行的比較分析發現，對于包含鋅離子和苯酚的體系，胰島素六聚體的穩定性得到了增強，但其構象柔性卻受到了削弱；對不含鋅離子和苯酚的體系，胰島素六聚體的穩定性明顯減弱，構象柔性卻表現得較為突出，在這種情況下，胰島素六聚體還表現出解聚的傾向。
  17. The hwtx - i gene was chemically synthesized according to its known cdna sequence, the gene was inserted into vector ppic9k which contained aoxj promotor and the sequence of a secreting signal peptide - a - factor, the cloning ppic9k / hwtx - i was constructed and confirmed by two - step pcr and dna sequence analysis, then it was transformed into host strain gs115, a his + muts cell line was screened and multicopy transformants were screened by various g418 concentrations, the multicopy transformant was named gh1. gh1 was cultivated in flasks. after 6 days of induction by 0. 5 % methanol, the supernatant was checked by 16. 5 % tricine - sds page, which showed there was a band in the position of 3. 5 - 6. 1kd, then it was isolated and desalted by ultrofiltration followed by ion exchange of cm column, after reverse phase hplc of ci8 and vacuum drying, the purified rhwtx - 1 was obtained which was proved to be correct recombinant hwtx - i by tricine sds - page, maldi - tof mass spectrometry, amino acid composition analysis, the n - terminal amino acid sequence and its biological activity, the final field of the purified rhwtx - i was about 80mg / l, accounting for 23. 6 % of it total secretory proteins

    將帶有hwtx -基因的ppic9k經blgii線性化后，轉化酵母宿主菌gs115原生質體后經篩選陽性克隆並經表型鑒定為his ~ + mut ~ s酵母菌，進一步用遺傳毒素g418篩選多拷貝的轉化菌株，命名為gh1 ；將gh1甲醇酵母菌用0 . 5的甲醇誘導表達，發酵上清經90飽和度的（ nh _ 4 ） _ 2so _ 4沉澱， yw - 3 （ mwc03000 ）的超濾膜超濾，再經cm陽離子交換， c _ （ 18 ）反相hplc純化得到分子量為4kd左右的組分，其中4289 . 05的組分經質譜鑒定，氨基酸組成分析和序列測定為正確的表達產物，生物學活性表明其活性為天然毒素活性70 % ，表達量為80mg / l 。
  18. However, additional and / or different tests would be important to assess physicochemical characteristics, structural characteristics, biological activity, and / or immunochemical activity

    然而，其它確定物理化學性質，結構特性，生物活性和/或免疫化學活性的補充檢測和/或其它檢測將是非常重要的。
  19. Synthesis and biological activity of n - aryl - n - o - nitrobenzoyl thiourea derivatives

    二氟苯甲酰基硫脲化合物的合成與除草活性研究
  20. The synthesis, characterization and biological activity of organotin halides containing silicon

    含硅混合烴基鹵化錫的合成與結構表徵及生物活性
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