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With SPSS software to simulate the relationship between soil moisture content and soil depth,the correlation was obvious and the equation type was cubic parabola curve.

用SPSS统计软件进一步对土壤水分与土层深度的关系进行拟合,结果表明土壤水分与土层深度的关系具有极强的相关性,其关系方程为拟和三次抛物线型。

Through experiment, this paper analyses the discrepancy of the soil moisture feature curve of different levels with different planting conditions, and has verified the model of the soil moisture feature curve based on theory of incomplete fractal theory.

本文通过试验,分析了不同条件下不同剖面层次的土壤水分特征曲线的差异,验证了基于不完全分形理论的土壤水分特征曲线模型,并对模型中的参数进行求解。

The fresh grass carp sold in market was processed to freezing semi-dry products with low salt and high water through salting, drying, packaging, deepfreeze and frozen storage, and the changes of the water content, the salt content, the water holding capacity and the sensory quality of fish body in the process of frozen storage were studied.

方法]通过腌制、干燥、包装、速冻和冻藏将市售新鲜的草鱼加工成低盐-高水分冷冻半干制品,研究冻藏过程中鱼体水分含量、盐分含量、系水力和其感官品质的变化。

The result shows that: The variation rhythm of the sensitivity index changed unanimously for Jensen,Blank and Stewart water production functions of spring wheat in Liangzhou city,the volume is small in the former stage,then become large at the middle stage,and less at the last stage. Jensen and Stewart water production functions are better of spring wheat in Gulang County in 1987-1989. The Variation rhythm of water deficiency sensitive index is unanimous: the volume are small at first,then large at middle,and diminish at last. The Variation rhythm of water deficiency sensitive index is unanimous in Jensen,Blank and Minhas of flax in Liangzhou county in 1987-1989. The water deficiency sensitive index in Gulang district in 1987-1989 models bad,are too many minus.

结果表明:1985-1986 年凉州春小麦Jensen 模型、Blank 模型和Stewart 模型的敏感指数变化规律接近一致,在前期较小,中期增大,最后再减小。1987-1989 年古浪春小麦水分生产函数以Jensen 模型和Stewart 模型拟合较好,其敏感指数变化规律比较一致,敏感指标值前期较小,中期增大,后期又减小。1983-1985 年凉州亚麻水分生产函数以Jensen 模型、Blank 模型和Minhas 模型敏感指标值变化规律比较一致:先减小,后增大,最后再减小。1987-1989 古浪亚麻敏感指数出现负值较多,模型拟合较差。

The result shows that: The variation rhythm of the sensitivity index changed unanimously for Jensen,Blank and Stewart water production functions of spring wheat in Liangzhou city,the volume is small in the former stage,then become large at the middle stage,and less at the last stage. Jensen and Stewart water production functions are better of spring wheat in Gulang County in 1987-1989. The Variation rhythm of water deficiency sensitive index is unanimous: the volume are small at first,then large at middle,and diminish at last. The Variation rhythm of water deficiency sensitive index is unanimous in Jensen,Blank and Minhas of flax in Liangzhou county in 1987-1989. The water deficiency sensitive index in Gulang district in 1987-1989 models bad,are too many minus. 3 Establishing the non-linear model to definitive the irrigation quota and dimension of single crop,according the three prototype Precipitation,allocating the limited water optimally according to full water supply,95 percent,75 percent and 50 percent. Economy benefit is the biggest aim function,so getting three groups for irrigation quota,irrigation dimension and benefit,the biggest benefit is the most optimal result.

结果表明:1985-1986 年凉州春小麦Jensen 模型、Bl(来源:10a1ABC论文网www.abclunwen.com)ank 模型和Stewart 模型的敏感指数变化规律接近一致,在前期较小,中期增大,最后再减小。1987-1989 年古浪春小麦水分生产函数以Jensen 模型和Stewart 模型拟合较好,其敏感指数变化规律比较一致,敏感指标值前期较小,中期增大,后期又减小。1983-1985 年凉州亚麻水分生产函数以Jensen 模型、Blank 模型和Minhas 模型敏感指标值变化规律比较一致:先减小,后增大,最后再减小。1987-1989 古浪亚麻敏感指数出现负值较多,模型拟合较差。3 建立单作物种植条件下灌溉定额与灌溉面积的确定的非线性规划模型,将有限的水量按照充分供水,95%、75%和50%供水来分配水资源,以经济效益最大为目标函数,得出三组灌区灌溉面积和效益结果,其中以效益最大为最优解。

Dehumidifiers: The Key to Keeping Moisture Out of Your Home - A dehumidifier is used to remove extra moisture from the air.

除湿:关键保持水分出你的家-除湿是用来清除空气中的水分多。

The studies were analyzed and discussed to elucidate further the mechanisms of adaptation to desiccation tolerance in R.

水分胁迫导致了红砂净光合速率的下降,但内在水分利用效率随着干旱程度却明显提高。

In order to make best of efficiency of composite material in different conditions, testing of samples in distilled

其中水分环境是重要的因素之一,本文还针对T300/HT3进行了浸泡水后的疲劳性能试验,对水分对复合材料疲劳性能影响进行了初步的分析及研究。

When evaporation was in process, due to low initial water content, most infiltrated water from small intensity and amount of rainfall would be consumed by intensive evapotranspiration during rainy season, and lateral downslope unsaturated flow seldom took place. However, soil water would move downslope by gravitational and matric potential gradients after continuous rainfall.

3在防止蒸发条件下,再分布过程中,土壤水分在重力的作用下有沿坡向下运移的趋势;在蒸发条件下,由于初始含水量一般较低,雨季量小且分散的降雨极易为强烈的蒸发蒸腾所消耗,侧向沿坡向下流难以发生,但在持续的降雨条件下,土壤水分在重力势和基质势梯度的作用下易沿坡向下运移。

Effects of water stress on the level of reactive oxygen speciesand activities of antioxidant enzymes in the leaves of wheat(Triticum durum Desf.) seedlings were investigated.Water stress resulted in significant increase in the contents of O-.2,MDA and the activities of superoxide dismutase and ascorbate peroxidase in wheat leaves.However,the activities of glutathione reductase,catalase and the content of H2O2 were not changed obviously under water stress.

分析了水分胁迫对小麦幼苗叶片中活性氧水平和抗氧化酶活性的影响,结果发现,水分胁迫能够显著提高超氧阴离子(O-2·)和丙二醛的含量及超氧化物歧化酶和抗坏血酸过氧化物酶的活性,而过氧化氢(H2O2)的含量及过氧化氢酶和谷胱甘肽还原酶的活性变化不明显。

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