谁帮我翻译下这段英文,感激!

来源:百度知道 编辑:UC知道 时间:2024/05/15 11:45:44
Metal uptake was determined in diatom cells incubated at different concentrations of N (added as NaNO3), P (added as Na2HPO4), and Si (added as Na2SiO3). The background N, P, and Si concentrations in the seawater were measured by a flow injection analyzer (FIA), and were 0.16 mM,<0.1 mM, and 16.7 mM for N (as nitrate), P (as reactive P), and Si (as silica), respectively. For N and Si, a two-factor experiment was performed to examine the e.ect of N on metal uptake in the cells at different Si concentrations. The experimental N treatments included control (no N addition), 17.6 mM N addition, and 176 mM N addition. The experimental P addition included control (no P addition), 1.8 mM P addition, and 7.2 mM P addition. The experimental Si addition included control (no Si addition), 7.2 mM Si addition, and 82.9 mM Si addition. The exponentially growing cells were collected by filtration and acclimated under different nutrient regimes for 1 d before the uptake experiments. During the accli

楼主,下面是我自己翻译的,你看看通顺不~

硅藻细胞的金属吸收取决于它在不同浓度的氮(加入硝酸钠),磷(加入磷酸氢二钠)和硅(加入硅酸钠)里 培养。海水中氮,磷,硅的背景浓度是用流动注射分析仪( FIA )来测量的,分别是氮 0.16ml/min(毫升/分),磷0.1毫升/分,硅 16.7毫升/分,各自来源于氮(硝酸盐) ,磷(磷反应)和硅(二氧化硅)。对于氮、硅,进行了一个两因素实验。检验氮对在不同硅浓度下细胞对金属吸收的影响。氮处置实验包括对照实验(没有添加氮),添加 17.6毫升/分的氮,以及添加176毫升/分的氮 。添加磷实验包括对照实验(无磷添加) ,添加 1.8毫升/分的磷,添加7.2毫升/分的磷。添加硅实验包括对照实验(无硅添加) ,添加 7.2毫升/分的硅,添加82.9毫升/分的硅。这些成指数成长的细胞在(接收)吸收实验前,要经过一天的不同养分状态的筛选和适应驯化才能得到。在驯化阶段中,海水中只添加了实验养分;没添加乙二胺四乙酸,痕量金属和其他主要养分。经过一天的驯化,细胞被收集到一个3毫米的聚碳酸酯膜上,冲洗和重新悬浮到筛选海水中。计数出显微镜程度的密度。然后,添加细胞到150毫升的筛选海水中,海水中包含放射性示踪剂和不同浓度的养分(与驯化过程中使用(浓度)相同) 。培养基中细胞密度是在2 _ 105和6 _ 105细胞毫升ÿ1之间,但为了对不同的处置作出比较,要维持每个实验中的细胞密度。这项研究的初步实验表明,金属吸收与这些范围内的细胞密度无关。每个实验处置有2个复制实验。经过 0.5 , 1 , 2 , 3 , 5 小时的照射,一个10毫升的样本被放到1毫米的聚碳酸酯膜上进行过滤,用筛选海水冲洗,随后计算出细胞的放射性(如下所诉) 。基于干重的浓度因子( DCF法)的算法是:

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金属吸收决心在硅藻细胞培养在不同浓度的N (加入硝酸钠) ,磷(加入磷酸氢二钠)和硅(增加硅酸钠) 。背景氮,磷,硅浓度测量海水流动注射仪( FIA )的,并为0.16毫米, “ 0.1毫米, 16.7毫米氮(如硝酸盐) ,磷(如反应p )和硅(如二氧化硅) ,分别。氮,硅,两因素实验是研究e.ect氮对金属的吸收,这些细胞中的浓度在不同的硅。实验ñ治疗包括控制(否N