神秘的香巴拉——木里

凉山州木里县地处四川省西南边缘，是四川境内横断山脉表现最典型的地带，地貌类型复杂多样。地势北高南低，海拔在1350～5958米之间，气候带明显。木里县域面积1．3万平方公里，森林覆盖率60．4％，是全国第一大林业县，深山密林中有丰富的动、植物资源。有成片的原始森林，有大面积被称为“植物中大熊猫”的珍惜树种红豆杉，有虫草、贝母、天麻等上千种野生中草药和松茸、鸡宗等上百种野生食用茵。境内雅砻江、木里河、水洛河由北向南纵贯全境，水系总径流量374亿立方米，水利资源十分丰富，水能理论储量467万千瓦。     

节能环保的植物塑料

目前，应用“生物分解树脂”取代现有包装塑料的研究正如火如荼地进行。玉米是一种美味又有营养的食物，它还被广泛用于制造甜味剂和动物饲料。最近，日本科学家们发现，利用玉米还能制造“玉米淀粉树脂”。这种树脂以玉米为原料，经加工塑化而成，用它可制成多种一次性用品。如水杯、     

前混合磨料射流除锈技术的试验研究

介绍了前混合磨料射流发生装置，用该装置进行除锈、除氧化皮的试验结果，确定了合适的除锈参数。试验表明，前混合磨料射流技术是一种高效、低能耗的除锈技术。     

民族服饰文化的沿承探索——彝族服饰图案在现代服装设计中的应用

图案是构成服装风格特征及其文化内涵的重要元素符号,彝族服饰图案纹饰丰富,形制各异,其美学意蕴源远流长。本文基于彝族服饰图案的美学特质,探讨彝族服饰图案在现代服装设计中的应用方法,从而为民族服饰图案在现代服装设计中的沿承和发展提供理论指导。     

基于图像的植物叶片枯萎变形测量仿真研究

针对植物吸收的水分过少,植物叶片中的细胞不饱满,将造成植物叶片的细胞液浓度特征和叶片形态特征发生萎缩特征失真.传统算法是采用图像的细胞液浓度特征和叶片形态特征进行叶片枯萎变形测量的,一旦特征失真,将造成植物叶片细胞液特征参数不准确,降低了植物叶片枯萎变形测量的准确率.为此,提出了一种形变特征参数算法的植物叶片枯萎变形测量方法.对采集的植物叶片图像进行增强处理,提取植物叶片边界像素特征,计算植物叶片枯萎变形参数,从而进行植物叶片枯萎变形测量.克服了传统算法的弊端.实验结果表明,利用改进算法进行植物叶片枯萎变形测量,提高了测量的准确率.     

Effects of added Cd on Cd uptake by oilseed rape and pai-tsai co-cropping

The experiment was designed to study whether the decrease of Cd in the rhizosphere of Zhongyouza Ⅰ,one breed of oilseed rapes （Brassicajunica） that can hyperaccumulate cadmium from the soil, can improve the living condition of less Cd-tolerant plant pai-tsai （Brassia chinensis） with their roots permitted to intermingle and develop coincident rhizosphere. The extent of rhizosphere interactions between Zhongyouza Ⅰ and pai-tsai was controlled by different root barriers, or without barrier. The results show that in the 10 and 20 mg/kg Cd treated soils, pai-tsai gets higher shoot mass and less Cd accumulation in its shoot than in the barrier treatments or in the mono cultures, when its roots are permitted to intermingle with those of Zhongyouza Ⅰ. Meanwhile, soil decontamination rates of Zhongyouza Ⅰ are not affected much by co-cropping with pai-tsai, they are 80.0% and 91.8% of that in the mono cultures of Zhongyouza Ⅰ, respectively. However, the co-cropping method in meliorating the living condition of pai-tsai is not obvious when Cd concentration in soil reaches 40 mg/kg, and soil decontamination rate decreases to 0.14, which is 58.3% of that in the mono culture. These results indicate that the oilseed rape Zhongyouza Ⅰ may alleviate Cd toxicity of surrounding less-tolerant species, and its ability of phytoremediation is not affected much at the same time, especially in the middle polluted soil.