But many shippers complain that for heavy bulk commodities traveling long distances, such as coal, chemicals, and grain, trucking is too costly and the railroads therefore have them by the throat. 但许多托运人却抱怨说,诸如煤炭、化学制品和粮食这类需要长途运输的大宗货物,公路运输的成本太高。因而那些铁路运输公司就会制约住他们。
The Analysis and Distribution of Soil Heavy Metals Enrichment in Main Grain Producing Area of Shandong Province& A Case Study of Liaocheng City in Shandong Province 鲁西粮食主产区耕地土壤重金属元素富集与空间分布研究&以聊城市为例
Heavy rainfall, and thus flooding, has increased. Increasing Grain Yield and Farmer's Income Simultaneously by Raising Yield, Cutting Cost and Enlarging Production Area 强降雨进而产生的洪水一直在增加。提高单产降低成本扩大规模促进增粮增收
Smooth leather with silver chain edging one side, and heavy grain leather on the reverse. 一面是光滑的皮质,装饰有银链边饰,反面是粗糙的谷粒一样的皮质。
Droughts in Eastern Europe and heavy rains in North America this summer sent grain and oilseed prices soaring. 今夏的东欧干旱和北美暴雨,导致谷物和油籽价格飙升。
PHM ( Pacific Heavy Machine) built switcher of a feed factory was hauling grain wagons. 大湖车站中调度谷物斗车的惠胜公司属北晟重机制调车机。
Analysis of TR Upset-Bending Process and Equipment Optimization for Heavy Crankshaft with Continuous Grain Flow 大型全纤维曲轴TR镦锻成形分析及装置结构优化
Huanxi heavy oil reservoir is a sand stone formation, with grain pores as the main storage space. 欢西稠油油藏为砂岩油气藏,是以颗粒孔隙为主的孔隙型储集层。
The heavy rare-earth affected alloy die steel's hot treatment deformation, grain size, hardness, decarbonization sensibility, temper stability and oxidation-resistant ability. 从对比试验结果分析表明,重稀土能改善合金模具钢的热处理形变、晶粒度、硬度、脱碳敏感性。回火稳定性、抗氧化等性能。
Heavy metal pollution characteristics and assessment of rice grain from a typical high risk area of Changshu City, Jiangsu Province 常熟市高风险区水稻籽粒重金属污染特征及评价
The content of As, Cr, Pb, Zn and Cu in wheat seed grain in the area is lower than permissive standard of heavy metals in food in China and backdrop content in wheat seed grain, but content of Hg and Cd is higher. 小麦籽粒中As、Cr、Pb、Zn、Cu含量低于国家食品对重金属限量标准和小麦籽粒的背景值标准,Hg、Cd含量高于国家规定标准。
Cracks can propagate along the heavy slip bands and the original austenite grain boundary. 裂纹沿剧烈滑移带或原母相的晶界扩展长大。
In recent years, the heavy grain ear type combination was welcomed by the masses, and the planting area became broader and broader. 近年来,重穗型组合很受群众欢迎,种植面积越来越大。
The pollutants of heavy metals resulted from the exhaust gas and tyre abrasion, and the heavy metals 'harm resulted from grain's move. 城市公园绿地重金属污染主要来自于汽车尾气和轮胎磨损,重金属危害主要通过颗粒迁移进行。
Heavy metal contents in grain crops& vegetables were related to their distances from the pollution sources. 谷物与蔬菜中重金属含量的高低与距离污染源的远近里正相关。
The results indicated that the three types of water except for no polluted water ( as control) all could increase the yield. But the heavy metal accumulation were noticed with the experiment of original sewage, and the grain quality is much lower. 结果表明:除清水对照,其余3种不同污水均可使产量提高,但原污水浇灌使土壤重金属积累增加,品质变差。
Evaluation on Agronomic Characters of Local Rice Germplasm with Heavy Spike and Big Grain in Guizhou 贵州地方稻种大穗大粒型种质资源性状评价
The multi directional and heavy plastic deformation during forging produces fully recrystallized microstructures with average grain size of 1 8 μ m. 多向和大变形锻造产生平均晶粒尺寸1.8μm的完全再结晶组织。
Experimental Research on Heavy Metal Desorption for Sediment with Different Grain Size 不同粒径泥沙解吸重金属污染物静态试验研究
Distribution Characteristics of Heavy Metals and Grain Size of Sediments from Hailing Bay 海陵湾沉积物重金属与粒度分布特征
Evaluation on Environmental Quality of Heavy Metals in Soils of Grain Area in the Northwest of Shandong Province 鲁西北高产粮田土壤重金属环境质量评价
On the other hand, selection of single plant with heavy grain weight tends to raise P content. 选择单株整体粒重偏大的材料利于提高P含量。
In addition, soil pH affected not only soil heavy metal availability and grain heavy metal concentrations, but also the stability ( interaction of genotype by environment) in grain heavy metal accumulation ( Table 4). 土壤pH不仅影响土壤重金属有效性及水稻籽粒中重金属积累量,还影响籽粒重金属积累的基因型与环境互作效应(即积累稳定性)。
The heavy metal detection rate in the grain and vegetables are stated respectively as following: Arsenic: none, none; Chrome: 8%, 72.4%; Lead: 6%, 13%; 重金属在粮食和蔬菜中的检出率分别是:砷:未检出、未检出,铬:8%、72.4%铅字6%、13%,镉:未检出、未检出,汞:未检出、未检出。
The results show that in urban soil of Baoji and river sediment of Baoji section in Weihe River, the difference of distribution of heavy metal elements in different grain size is not quite clear. 4. 结果表明,在宝鸡城市土壤和渭河宝鸡段河流沉积物中,重金属元素在不同粒径范围的分布差异不十分明显。
In recent years, heavy metal pollution has taken a great part of environmental pollution. The heavy metal content of grain and vegetables growing in heavy metal contaminated soil outnumbers the national standard dramatically. 近年来,土壤重金属污染已经成为环境污染的重要方面,污染土壤上生产的粮食、蔬菜重金属含量往往严重超过国家标准。
Around the waste dumping site there was paddy rice. The heavy metal in the plant had a tendency to move to the grain as it grew. 填埋场周围种植有水稻,其在成长周期中重金属在植株体内呈现不断向籽粒迁移的趋势。
Nutrient storage organ was less, such as fruits and seeds. The distribution order of heavy metal in soybean is leaf stem grain, the rice is straw rice, the sweet potato is leaves tuber. 重金属在新陈代谢旺盛的器官蓄积量较大,而在营养储存器官中的果实、籽粒中蓄积量较少,黄豆内重金属含量分布为叶茎籽粒,水稻重金属含量分布为稻草稻谷,红薯为红薯叶红薯块根。