查询词典 crop duster

Unlike other rusts, which only partially affect crop yields, UG99 can bring 100% crop loss.

不同于其他那些只是部分影响作物产量的干锈病菌，UG99可以导致100 ％的农作物损失。

After the close Monday, our crop condition report for our winter wheat crop shoed are usual 47% in good to excellent condition unchanged from the week prior.

周一收盘后公布的作物生长状况报告显示冬小麦作物优良率为47 ％，与前一周持平。

Based on the security of food supply of China, the energy utilization of crop strews and no bio-energy crop can be further strengthened.

5(来源：26AB5cC论文网www.abclunwen.com)在保证粮食安全的前提下，农作物秸秆和非农林能源作物作为能源利用可进一步加强。

The development and utilization of bioenergy can resolve the problem from agriculture famer, rural area of China. And it can further improve the income of farmer by altering the crop strews into useful bioenergy and saling crop strew, in addition increase the work opportunity for the farmer.

另外生物质能的利用可以创造就业机会增加农民收入，而且以户用沼气为纽带的综合利用模式在很大程度上增加了农民的收入，在国家资金和政策的大力支持下，户用沼气和大中型沼气工程发展迅速。

Bt toxin from Bt crops is introduced into soil primarily in root exudates and by incorporation of crop residues after harvest of the crop, with probably some input from pollen during tasseling, which probably have an effect on soil specific organisms, biodiversity and the functions of soil ecosystem.

而加有转Bt基因玉米农大61秸秆的土壤和加有常规玉米农大3138秸秆的土壤相比，土壤脱氢酶活性和土壤呼吸作用强度在秸秆分解期间都没有显著差异；秸秆分解了30d、45d、60d 时，显著提高了土壤蔗糖酶活性；分解了45d和90d时，显著提高了土壤酸性磷酸酶活性；30d时显著增加了土壤脲酶活性，而在45d时则显著降低了土壤脲酶活性；分解45d、60d、90d时显著降低了土壤蛋白酶活性。

This paper studies major genes of body weight, height at withers, body length, heart girth, milk crop, and milk fat percentage on yak. The results show body weight, height at withers, milk crop, milk fat percentage have effects and roles of major genes.

但近年来的理论研究结果表明，在许多数量性状的遗传变异中，既有众多微效基因的作用，也有主基因的作用，即这些性状应属于微效多基因和主基因共同控制的混合性状[1] 。

Corn as forage crop is an important grain crop in Yulin City.

玉米是榆林市重要的粮、饲兼用作物，种植历史悠久。

Long term we have to remain bullish July new crop Kansas City Exchange winter wheat crop futures as any weather problems through April 1st to May 20th our key yield development time and sharp supply side concern rallies will be certain.

长期来看我们依然看多新作7月的堪萨斯小麦，因为从四月一日至五月20日其间的任何天气问题都会使得供应紧张。

With Sudan grass and corn stalk as tested materials, the sensory evaluation and analysis of nutritional components were conducted on high-density molding products of fresh fodder crop and crop stalk.

以苏丹草和玉米秸秆为试验材料，对新鲜饲料作物及作物桔扦高密度成型产品进行感官评定和营养成分变化分析。

The crop yield was greatly influenced when the crop to be continuously waterlogged during the period of soybean with fruits and flower boll period of cotton was studied.

研究了大豆结荚期和棉花花铃期持续受渍对产量的影响。

You're silly to sniff at such a good opportu nit y.

你真蠢，这么个好机会被你拒绝了。

1 When thickness of the short pitch or long neck flange straight side of Type B doesn't equal to the cylinder thickness connected with it: If cylinder thickness is not larger than 10mm, and thickness difference with short pitch or long neck straight side is larger than 3mm; If cylinder thickness is larger than 10mm, and thickness difference with short pitch or long neck straight side is larger than 30% of the cylinder thickness or 5mm, Type B flange should take the slope value 1: 3, and the long neck flange should be thinned according to Chart 1, or have pile welding on the end of butt welding seam to achieve transition.

6.5.1 乙型法兰的短节厚度或长颈法兰的直边厚度与其相联接的圆筒厚度不等时：若圆筒厚度不大于10mm，且与短节或长颈直边厚度差超过3mm；若圆筒厚度大于10mm，且与短节或长颈直边厚度差大于圆筒厚度的30%或超过5mm时，乙型平焊法兰应按斜率1：3，长颈对焊法兰按图1虚线削薄，或者在对接焊缝的筒体端部按图2堆焊过渡。