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1.Characteristics of competitive re tention and transportation of vanad ium and phosphorous in two American p loughed soils(Sharkey heavy clay and Cecil loamy sa nd)were studied by the traditional kinetic batch technique and miscible dis placement ex-periment (column study).
应用批培养法和土柱法分别研究了钒和磷在两种美国耕地土壤(Sharkey重粘土和Cecil壤沙土)中的竞争吸附与迁移特征。收藏指正
2.A rapid balanced V adsorption by Cecil loamy sand wa s exhibited although the capacity of V retention by Cecil loamy sand was much small than that of Sharkey heavy clay,more,vanadium a dsorbed by Cecil at the beginning cou ld be desorbed progressively with the extension of reaction time.
Cecil壤沙土对V的吸附表现为快速的平衡吸附,不过其吸持能力要明显地小于Sharkey重粘土,而且,在前期被Cecil吸持的V会随培养时间的延长而部分被解吸出来。收藏指正
3.The Emerald ash borer has destroyed trees in the middle west and as far east in the United States as Maryland.The insects have also spread as far north as Ontario Canada.Ash trees are popular,they grow well in heavy clay soils and they can survive ice storm well.They produce many leaves,so they provide shade protection from the sun.And in the fall,the leaves turn a beautiful golden and purple.
这种翡绿色的灰虫已经美国中西部的树和远到马里兰的东部.这种昆虫也传到了远到加拿大安大略湖北部.灰树是很流行的,它们能在重粘土里很好的生长并且他们能在冰暴天气生存.它们能产生很多树叶,因此它们能提供荫凉处.在秋天,叶子变得漂亮的金色和紫色.收藏指正
4.DEVELOPMENT OF INTERCALATED CLAY CATALYST AS HEAVY OIL CATALYTIC CRACKING
膨润土作重质油催化裂化催化剂的开发收藏指正
5.A paper bird cannot stand the strong wind,and a clay figurine cannot bear the heavy rain.
纸鸟经不起风吹,泥人经不住雨淋。收藏指正
6.The contents of heavy metals with tobacco-growing soils was closely correlated with soil texture and soil particle diameter. The clay had positively significant correlation with Cd,As,Hg(r=0.333**,r=0.345**,r=0.289*), and the sand had negatively significant correlation with Hg,As(r=-0.286*,r=-0.245*).
土壤重金属含量与土壤质地密切相关,与土壤粒径具有一定的相关性,粘粒与镉、砷极显著正相关(r=0.333**,r=0.345**),与汞显著正相关(r=0.289*),砂粒与汞、砷显著负相关(r=-0.286*,r=-0.245*)。收藏指正
7.The addition of lime to saturated clay soils (liming) is a common agricultural practice, improving soil structure by encouraging crumb formation and making heavy soils more workable.
加入石灰使其饱和是农业上常用的一种方法，通过促进小块形成改变土壤结构，使粘重土壤变得可以使用。收藏指正
8.It is clarified that the Archean?Proterozoic ancient rock series with high fluorine in the Taishan?Yimenshan uplifted region is the material source of soil sediments,and that the Yellow River flood and heap many times (absorption of fluorine by clay minerals)accumulates and adds fluorine content in the soils according to heavy mineral comparative study and topography analysis.
根据重矿物对比研究和地貌分析，阐明了泰沂隆起区太古界和元古界的高氟古老岩系为该区土壤沉积物源，黄河多次泛滥堆积（粘土矿物对氟的吸附）对土壤氟起了叠加富集的作用。收藏指正
9.For hydraulic fill dams with high content of clay particles and low permeability, such as heavy silt loam, if the drainage measures are properly applied, the recommended fill speed could be 0.5m/d as the mean 10-day fill speed and the maximum rising height could be 1.0m in two days.
建议对以重粉质壤土等黏粒含量较高、渗透性较小的土料冲填的水坠坝,在设置了适当的排水设施的情况下,冲填速度可按旬平均冲填速度0 5m d、两日最大升高1 0m控制。收藏指正
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