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白桦种苗
“白桦种苗”译为未确定词的双语例句
Daily Course of Photosynthesis in Seedlings of Natural Birch 天然白桦种苗光合作用日进程 短句来源 By analyzing and measuring the substrates' physicochemical characteristics and plant growth of B. platyphylla including plant height and mass, net photosynthesis and leaf chlorophyll contents, concentration of nutrient elements, also media's uptake of water and nutrition, the results indicate that treatment M 1 of mixed substrate, namely peatmoss 3 + perlite 3 + vermiculite 3 expressed the best effects of plant growth, net photosynthesis and nutrient element contents when seedlings of B. platyphylla were planted in it. 对不同基质处理的试材白桦的基质理化性质 ,白桦生长状况包括植株生长量、叶绿素含量、光合能力及叶片营养元素含量以及基质对水和养分的吸收能力等进行分析比较 . 结果表明 :M1类基质配方即草炭土 3 +珍珠岩 3 +蛭石 3的组合处理结果表现最优 ,其上生长的白桦种苗生长量最大、光合能力最强、叶片的营养元素含量最高 ; 短句来源 相似匹配句对
Daily Course of Photosynthesis in Seedlings of Natural Birch 天然白桦种苗光合作用日进程 短句来源 Study on Pollen Viability in Betula platyphylla 白桦花粉的生命力 短句来源 Research of Ectomycorrhiza of Betula Platyphylla Suk 白桦外生菌根的研究 短句来源 Plant Cloning of Melon (Cucumis melo L.) 甜瓜种苗克隆 短句来源 Analysis of the genetic effects of seed and seedling traits of Betula platyphylla in a 5×5 complete diallel cross design 白桦5×5完全双列杂交种苗性状的遗传效应分析 短句来源 
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The use of nucleolar morphological characteristics of birch seedlings for the assessment of environmental pollution
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A correlation was found between the frequency of pathological mitoses in the roots of birch seedlings and the frequency of micronuclei in the buccal epithelial cells of children.
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An increase in the number of cytogenetic disturbances observed in the root meristem cells of birch seedlings provides evidence for genome instability in the test species.
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The pH preference of this species and its effects on microbial activity, N and P mineralization, and the growth of birch seedlings were determined in separate pot experiments.
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tuberculata increased the growth of birch seedlings, with increases observed in stems, leaves, and roots.
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In this research, the most advanced system for photosynthesis-LI 6400 was used in seedlings of natural birch which is one kind of multi-function species. The diurnal course of photosynthetic rate of birch shows a single peak (10.53 u molCO2 m-2s-1) Which reaches at 14 o'clock. There exist no "midday depression" in the photosynthesis. At 14 o'clock, while the value of stoma limitation (0.3172) and water pressure deficits of leaf (2.46 kPa) reach their peaks, the water utilization efficiency is still high a... 本研究采用最先进的光合作用测定系统ＬＩ－６４００测定多功能树种白桦种苗的光合作用．天然白桦种苗光合速率日进程表现为单峰曲线，在下午１４： ００时达到最高峰（１０．５３μｍｏｌＣＯ２ｍ－２ｓ－１），．其光合作用不存在“午休现象”．在１４：００时，白桦的气孔限制值（０.３１７２）和水分饱和亏缺（２．４６ｋＰａ）分别达到最大值，此时其水分利用效率较高，在中午１２：００时水分利用率达到最大值（２．９７ ｕｍｏｌＣＯ２ｍ－２ｓ－１ｍｍＨ２Ｏｍ－２ｓ－１）．在早上８：００，白桦获得一天中最大的表观量子效率；其蒸腾速率在下午１４： ００时最大（４．８２ｍｍＨ２Ｏｍ－２ｓ－１）．在光合速率的日进程中，白桦高光合速率值持续至少 ４个小时．这使得白桦的光合作用量得以有效累积，进而为其生长创造了有利条件． 文摘来源 These experiments were to select the optimum formula of substrate for Betula platyphylla Suk.grown in container by means of automatically recirculating ebb & flow subirrigation systems. By analyzing and measuring the substrates' physicochemical characteristics and plant growth of B. platyphylla including plant height and mass, net photosynthesis and leaf chlorophyll contents, concentration of nutrient elements, also media's uptake of water and nutrition, the results indicate that treatment M 1 of m... 该实验采用循环潮水式灌施营养液法对适合白桦容器育苗栽培用的基质配方进行了比较试验 .对不同基质处理的试材白桦的基质理化性质 ,白桦生长状况包括植株生长量、叶绿素含量、光合能力及叶片营养元素含量以及基质对水和养分的吸收能力等进行分析比较 .结果表明 :M1类基质配方即草炭土 3 +珍珠岩 3 +蛭石 3的组合处理结果表现最优 ,其上生长的白桦种苗生长量最大、光合能力最强、叶片的营养元素含量最高 ;M2 类基质次之 文摘来源 
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