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salt-- tolerance
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  相似匹配句对
     The Salt on the Table
     Salt与餐桌文化
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     Salt and Health
     盐与我们的健康有什么关系
短句来源
     salt-secreted mechanism.
     泌盐机理 ;
短句来源
     Salt-toerance of Plants.
     植物的耐盐性
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     Advances of salt tolerance in plants
     植物耐盐研究概况与展望
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An acrylamide-acrylonitrile copolymer expected to be used as cave-in preventer in oil well drilling is synthesized.Its temperature-resistance, salt-tolerance, dependence of solution viscosity on temperature,and shear stability are studied.The applicability asses- meat in laboratory shows that its ability to prevent the hydration swelling and dispersion of clay is better than that of polyaerylamide.

本文合成了一种可望用作防塌剂的丙烯酰胺-丙烯腈共聚物,并研究了它的耐热性、耐盐性、粘温性和剪切稳定性。使用性质的室内研究结果表明:其抑制粘土水化膨胀和水化分散的性能优于聚丙烯酰胺。

The relationship between plasmalemma permeability, membrane lipid peroxida-tion, peroxidase activity and salt tolerance in rice was investigated, using 30 days old seedlings of two rice varieties, "80-85" (salt-tolerant) and "83-51" (non-tolerant), irrigated with 0.5% NaCl solution in pots under natural conditions. The results are summarized as follows:

两个耐盐力不同的籼稻品种80-85(耐盐)和83-51(不耐盐),经0.5%NaCl溶液处理后,质膜透性和膜脂过氧化产物—丙二醛的含量均有不同程度的增加,与此同时,叶组织内过氧化物酶活性因盐刺激而上升。质膜透性的增加和丙二醛的积累呈极显著的正相关。上述变化在尚未出现可见伤害症状的幼叶内作用较小,在外部症状明显的老叶内表现严重,不耐盐品种受影响的程度远远超过耐盐品种。进一步的试验发现,在同一叶片中,丙二醛的积累明显早于质膜透性的增加。结果提示,水稻盐渍伤害的主要部位可能在膜上,而细胞内膜脂过氧化作用水平的增强是膜系统受损伤的重要原因之一。

Experiments indicated that the assimilatory branch swelling of Casuarina in coastal areas of Guangdong province was caused by salt injury. Sodium choride and potassium chloride were the main causal agents.The underground parts of Casuarina plants were more tolerant to salt injury than the aerial parts.Chemical analysis of the assimilatory branch samples collected from the coastal plants showed that the contents of chloride ion and sodium ion in the diseased assimilatory branches were 2 times as much...

Experiments indicated that the assimilatory branch swelling of Casuarina in coastal areas of Guangdong province was caused by salt injury. Sodium choride and potassium chloride were the main causal agents.The underground parts of Casuarina plants were more tolerant to salt injury than the aerial parts.Chemical analysis of the assimilatory branch samples collected from the coastal plants showed that the contents of chloride ion and sodium ion in the diseased assimilatory branches were 2 times as much as in the healthy ones.Analysis of soil samples taken from the coastal areas showed that the salt injury of Casuarina trees was in relation to the salt content, the amount of organic matter, moisture , and the pH value in the site where the trees had been growing. Experiments also demonstraed the effect of the soil moisture and soil texture on the salt injury of Casuarina,A clonal variation in salt tolerance is apparent. Of 15 clones tested only one was highly tolerant.

广东沿海木麻黄肿枝病经试验证明主要是由海水中的氯化钠和氯化钾直接引起的盐害。木麻黄地上部较地下部易受盐害。 沿海木麻黄病、健植株小枝的氯、钠离子含量有显著差异,病株小枝的氯、钠离子含量为健康小枝的两倍多。 土壤分析结果表明:病区土壤含盐量比健区高约一倍,水分和有机质含量比健区低约一倍。试验亦证明土壤含水量和土质对苗木盐害有显著的影响。 在测试的15个木麻黄无性系中只有1个较耐盐害。

 
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