organically-grown
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Nutrition solution culture, ICP-AES, the differential centrifugation technique and sequential chemical extraction method, suppression subtractive hybridization , RAPD were used in this thesis to study the mechanisms of copper tolerance and accumulation by Commelina communis grown in copper mine deposit which was reported to be a Cu hyperaccumulator, compared with C. communis grown in normal soil. Several aspects were examined, including: difference of copper tolerance and accumulation between C. communis grown in copper mine deposit and that grown in normal soil; difference of growth and nutrient accumunation between C. communis grown in copper mine deposit and that grown in normal soil under copper treatment; physiological differences between between C. communis grown in copper mine deposit and that grown in normal soil under copper treatment; subcellular distribution and chemical forms of Cu in C. communis; identification of cDNA fragments differentially expressed in C. communis grown in copper mine deposit; genetic diversity and copper tolerance of C. communis, tolerance mechanisms to copper in C. communis are discussed.
中文题名鸭跖草对铜的耐性机理和富集特征研究副题名外文题名 Mechanisms of Cu tolerance and accumulation by Commelina communis 论文作者廖斌导师蓝崇钰束文圣学科专业环境科学研究领域\研究方向学位级别博士学位授予单位中山大学学位授予日期2003 论文页码总数128页关键词重金属污染植物修复超富集植物土壤污染铜污染鸭跖草馆藏号BSLW /2003 /X53 /12 论文以本实验室报道的生长于矿山上的铜超富集植物鸭跖草和生长于正常土壤中的鸭跖草为试验材料,分别运用溶液培养法、ICP-AES元素测定技术、差速离心法和化学试剂逐步提取法、抑制消减杂交技术、RAPD技术研究了矿山和非矿山两种生境鸭跖草对铜的耐性和吸收积累的差异,两种生境鸭跖草在铜胁迫下养分吸收和积累的差异,两种生境鸭跖草在铜胁迫下生理反应的差异,以及铜在鸭跖草细胞内的分布及结合形态研究,矿山鸭跖草差异表达的cDNA克隆,铜对鸭跖草种群遗传分化的影响,从这几个方面探讨了矿山鸭跖草对铜的耐性机理。
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Current poultry raising and the birds and beasts egg processing industry is more and more high to the feed and the product request standard, only has into organically, green food only then has the possibility infiltrates the domestic and foreign markets, only then may obtain grows strong, like this must use, the green feed organically, it delivers with the processing product only then can become, green food organically.
当前禽畜饲养和禽蛋加工业对饲料和制品的要求标准越来越高,只有成为有机、绿色食品才有可能打入国内外市场,才可以得到发展壮大,这样就必须使用有机、绿色饲料,其产出和加工的产品才能成为有机、绿色食品。
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In upper horizon, aqueous aluminum originated from both organically bound aluminum and inorganically bound aluminum, but organically bound aluminum seemed to be more important.
下层土壤中,铝近乎全部来源于无机键合铝,土壤水 H+浓度成为影响铝释放过程的最主要因素。
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organically-grown:有机培植的(不施化肥和其他化学药品培植)
12) vegetarian 吃素的人 | 13) organically-grown 有机培植的(不施化肥和其他化学药品培植) | 14) insidious 暗中为害的
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organically-grown:有机肥种植
400 mg Organic Eleuthero Root 400毫克有机eleuthero根 | Organically Grown有机肥种植 | Editorial Review: 社论回顾:
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organically-grown produce:有机农业产出的农产品
orchestra n. 管弦乐队 121 | organically-grown produce 有机农业产出的农产品 173 | organize a music festival 组织一个音乐节 193