high specific activity 中文意思是什麼

high specific activity 解釋
高比放射性
  • high : adj 1 高的〈指物，形容人的身高用 tall〉；高處的；高地的。2 高級的，高等的，高位的，重要的。3 高尚...
  • specific : adj 1 特殊的；特有的；特定的，專門的。2 明確的，具體的。3 【生物學】種的；【細菌】專性的。4 【醫...
  • 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. Many organisms produce enzymes, termed photolyases, that specifically bind to these damage products and split the via a uv - a / blue light - dependent mechanism ( photoreactivation ), thereby reversing the damage. these two photolyase are specific for either cpds ( cpd photolyase ) or 6 - 4 products ( 6 - 4 photolyase ). a gene that expresses a protein with 6 - 4 photolyase activity in vitro, was recently cloned from high organisms ( arabidopsis thaliam, drosophila melanogaster, danio rerio, xenopus laevis and homo sapiens )

    目前已從高等生物擬南芥、鮐類、果蠅、人類和非洲爪蟾蜍屬中克隆到有（ 6 - 4 ）光裂合酶活性的基因，本研究從鹽生杜氏藻dunaliellasalina中克隆到（ 6 - 4 ）光裂合酶的基因，並將該基因在大腸桿菌中得以表達，這是首次在藻類中克隆到（ 6 - 4 ）光裂合酶基因，對光裂合酶的研究具有重要意義。
  2. Go isozyme displayed high specific activity varied from 90 to 197u / mg

    證實該go同工酶具高活性（ 90 197
  3. Overexpression of selenomonas ruminantium phytase with high specific activity in pichia pastoris

    的高比活植酸酶基因在畢赤酵母中的高效表達
  4. Histochemical staining in tl transgenic tobaccos showed that sigp1 promoter was not only organ - specific ( especially expressed in leaves and guard cells ), but also highly inducible by multi stress treatment such as drought, aba, high salinity and low temperature. quantitative analysis showed that gus activity in roots was very weak and no great changes were observed after treatment

    通過對t1代轉基因苗的組織化學定位表明，該啟動子驅動的gus基因在逆境（如乾旱、 aba 、高鹽和冷）脅迫的葉片中表達，根中不表達，且老葉中的表達量高於幼葉中的表達量，說明其表達受發育階段的調控。
  5. E. due to favorable condition of soil moisture, weak activity of wind and sand, and low inter - specific competition intensity resulting from repeated alternation between sand dunes and inter - dunes, the plant species richness and the plant species evenness are quite high in inter - dunes. f

    由於丘間地水分條件較好，受風沙活動的影響較小，同時由於流動沙丘和丘間地的不斷更替降低了物種之間的競爭強度，就使丘間地具有較高的物種豐富度和物種均勻度。
  6. Tio2 / sepiolite and ticvzeolite with high photocatalytic activity have been prepared using sepiolite and zeolite minerals as carrier and the industrial metatitanic acid and the industrial sulfate titanium liquid as the raw materials for the first time. xrd results show that tio2on the sepiolite and zeolite surface were anatase, and the specific surface arrived 255m2 / g and 161m2 / g for tio2 / sepiolite and tio2 / zeolite respectively ; 2

    首次採用工業偏鈦酸、工業濃鈦液為原料，天然海泡石、沸石為載體，制備出具有光催化活性的復合材料；沉積在海泡石或沸石表面的tio _ 2粒子晶型為銳鈦型；製成的tio _ 2海泡石、 tio _ 2沸石復合物比表面積分別達到255m ~ 2 g 、 161m ~ 2 g ； 2
  7. The activity of the invertase of three high - sugar saccharomyces cerevisiae strains were investigated and their amino acid sequence were determined by the use of modern biotech including enzymatic activity determination, specific pcr, the cloning sequencing and bio - information analysis etc

    摘要採用現代生物技術中的酶活測定、特異pcr 、克隆測序和生物信息分析等對比研究3株高糖酵母蔗糖轉換酶活性及其氨基酸序列。
  8. Nano - particles were used to prepare high performance resins by filling modification for their large specific surface and high surfacial activity

    納米粒子有極大的比表面積和極高的表面活性，採用納米微粒填充改性是形成高性能復合材料的重要手段。
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