生物-社会的
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The enhanced emission yields of secondary ions induced by Si2 clusters at the low energies are clearly seen and attributed to the vicinage effect of the nuclear collision processes of cluster constituents and the secondary ion emissions are still dominated by electronic stopping processes at high energies.
实验结果显示,在以上的生物样品中,MeV能量离子的能量损失值和TRIM程序模拟的结果相吻合,但是透射离子的能量离散值却与TRIM程序模拟结果有很大的不同。结合生物样品的结构不均匀的特性,对Bohr能量离散理论进行了修正,并发现修正后的Bohr能量离散理论计算结果与实验值符合得很好。
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The rules of photo bioactivities are: Without illumination, the tested xanthene derivatives showed almost the same level of inherent toxicity to the same organism, which showed the inherent toxicity of xanthene derivatives were primarily dependent on the structure of parent molecule. Upon illumination, the photosensitizers showed obvious phototoxicity to all organisms. The xanthene derivatives showed stronger phototoxicity to Gram-positive bacteria. With the increasing number of halogen substituents, the singlet oxygen yields increased and the phototoxic activity increased too.
呫吨类化合物的生物活性的变化规律为:未经光照的条件下,呫吨类化合物的对同种待测微生物的固有生物活性基本相同,说明固有毒性可能主要决定于化合物分子的母核结构,其卤素取代基团对其影响较小;经实验光源照射下,所测MLC值明显低于未经光照条件下的值,表明呫吨类化合物对三种微生物的光敏活性明显强于对其相应的固有活性;呫吨类化合物对革兰氏阳性菌能发挥较大的光敏活性。
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For the synthesis reaction of chalcone, cyclohexanone aldolization and biodiesel,γ-Al_2O_3-NaOH-Na solid superacid has a satisfactory catalytic activity. With hypnone and phenylaldehyde as raw material, amount of catalyst 7.5% wt% of material, mole ratio of hypnone and phenylaldehyde 1:1.1, reaction temperature 40℃, after 3 hours, the yield of chalcone can be up to 96.88%. With cyclohexanone as raw material, amount of catalyst 10% wt% of material, reaction temperature 190℃, after 3 hours, dimmer of cyclohexanone can be up to 85.66%.
将该固体超强碱催化剂应用于查尔酮、环己酮自缩合以及生物柴油的合成反应中,该改性固体超强碱催化剂表现出了良好的催化活性:以苯乙酮和苯甲醛为原料,反应温度为40℃,催化剂用量为反应物总质量的7.5%,苯甲醛与苯乙酮摩尔比为1:1.1,反应3h查尔酮产率可达96.88%;以环已酮为原料,催化剂用量为原料总质量的10%,反应温度为190℃,反应3h,二聚物的总收率可达85.66%;以动物油和甲醇为原料,醇油摩尔为9:1,催化剂用量为动物油质量的2%,反应温度为70℃,反应3h后,生物柴油的收率可达91.8%。
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Important advance was made to Celastrus and ceangulin V after 20 years studies, but the target of Celangulin V was not verified and the metabolic dynamic of Celangulin V in organism was not touched because of the technique difficulty in testing and analysis of trace Celangulin V in organism. It will solve the difficulty that establishing the immunoassay of Celangulin V. The immunoassay of Celangulin V including the synthesis of artificial antigen, the preparation of antiserum, the immunoanalysis location of Celangulin V and the quantitative immunoassay of Celangulin V were studied systematicly in this paper.
苦皮藤素V是从卫矛科植物苦皮藤中分离出的一种具有杀虫活性的天然产物,可能作用于一类新的作用靶标。20多年对苦皮藤及苦皮藤素V的研究已取得了重要进展,但迄今还没有证实苦皮藤素V的作用靶标,对苦皮藤素V在生物体内的药代动力学研究也尚未涉及,这些方面的研究因为对痕量苦皮藤素V在生物体内分析、检测存在技术方法上的困难而受到限制,建立苦皮藤素V的免疫分析技术则可解决这些问题。
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Important advance was made to Celastrus and ceangulin V after 20 years studies, but the target of Celangulin V was not verified and the metabolic dynamic of Celangulin V in organism was not touched because of the technique difficulty in testing and analysis of trace Celangulin V in organism. It will solve the difficulty that establishing the immunoassay of Celangulin V. The immunoassay of Celangulin V including the synthesis of artificial antigen, the preparation of antiserum, the immunoanalysis location of Celangulin V and the quantitative immunoassay of C'elangulin V were studied systematicly in this paper.
苦皮藤素Ⅴ是从卫矛科植物苦皮藤中分离出的一种具有杀虫活性的天然产物,可能作用于一类新的作用靶标。20多年对苦皮藤及苦皮藤素Ⅴ的研究已取得了重要进展,但迄今还没有证实苦皮藤素Ⅴ的作用靶标,对苦皮藤素Ⅴ在生物体内的药代动力学研究也尚未涉及,这些方面的研究因为对痕量苦皮藤素Ⅴ在生物体内分析、检测存在技术方法上的困难而受到限制,建立苦皮藤素Ⅴ的免疫分析技术则可解决这些问题。
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The need of practice pushes the development of theories, so there is the necessity and urgency of putting forward and researching a competitory power of bio-industry theory.
生物产业的迅猛发展以及日益激烈的全球竞争,使之成为国内外政府、学术界、产业界乃至整个世界关注的焦点,实践的需要推动着理论的发展,从而使生物产业竞争力理论的提出和研究的必要性和紧迫性日趋增强。
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Recent study proved that the thickness, microstructure, chemistry composition of oxide film can affected the biological corrosion-resistance ability, hydrophile property and bioactive macro molecule absorption, then affected the biocompatibility and the match process in the body.
目前的研究认为钛表面氧化膜的厚度、微观结构、化学成分及TiO_2的结构类型等,与材料的耐腐蚀性、表面亲水性和生物大分子的选择性吸附有着直接的关系,进而影响到钛的生物相容性以及在体内的愈合过程。
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This paper analyses the different concentrations of Pb, Zn ion hybrid seedlings on the soil culture camphor several physiological indicators of the impact of the results show that the experimental results show that, POD, SOD, CAT, such as the biological oxidation resistance of the show is basically change the trend promoting high-low suppression trend, proline, MDA membranaceous permeability, as well as the content, with the concentration of heavy metals increases, reflecting the biofilm was heavy metal ions damage situation.
本文分析了不同浓度的Pb、Zn混合离子对土培香樟幼苗的几种生理指标的影响,结果表明,实验的结果表明,POD,SOD,CAT等抗氧化性的生物酶的改变趋势基本上呈现低促高抑的趋势,而脯氨酸,丙二醛以及膜质透性的含量是随着重金属浓度的增大而增大,体现出了生物膜被重金属离子的破坏的情况。
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This paper analyses the different concentrations of Pb, Zn ion hybrid seedlings on the soil culture camphor several physiological indicators of the impact of the results show that the experimental results show that, POD, SOD, CAT, such as the biological oxidation resistance of the show is basically change the trend promoting high-low suppression trend, proline, MDA membranaceous permeability, as well as the content, with the concentration of heavy metals increases, reflecting the biofilm was heavy metal ions damage situation.
求高手翻译一段话,好的话多给100分!本文分析了不同浓度的Pb、Zn混合离子对土培香樟幼苗的几种生理指标的影响,结果表明,实验的结果表明,POD,SOD,CAT等抗氧化性的生物酶的改变趋势基本上呈现低促高抑的趋势,而脯氨酸,丙二醛以及膜质透性的含量是随着重金属浓度的增大而增大,体现出了生物膜被重金属离子的破坏的情况。
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Corn seedling were grown for 5 harvests in pot experiments to evaluate potassium supplycapacity of the soils.Results indicated that when soil avaliable potassium decreased,the dryplant matter was firstly affected,secondly was the total uptake of potassium by plant,then was thepotassium content in plant.Exchangeable,nonexchangeable and mineral potassium wereavaliable for plant,but the contribution of each potassium form was depended on soil types.
本文在研究褐土、潮土不同层次土壤的供钾特性、土壤各形态钾素的动力学行为以及小麦根系对钾素的吸收动力学特征的基础上,以玉米幼苗从土壤中的吸钾量为对照,考察了土壤钾素动力学特征与土壤钾素生物有效性的关系,运用热力动力学理论建立了土—根系统中的钾素能态链,并确立了土壤钾素生物有效性的能态指标。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。