表1供试土壤基本性质Table1Basicpropertiesofsoilusedintheexperiment1.2供试水稻供试水稻品种为沈稻11和沈稻47,由沈阳农业大学提供。两种水稻均为广适品种,且二者基因型差距较大。1.3试验设计试验设2个处理:铅处理为0mg/kg和800mg/kg;硅处理为0g/kg和4g/kg。每个处理重复3次。于分蘖期采集,采集后的样品分别用...
Geology and water resources of Owens Valley, California The scrub and meadow communities depend on soil moisture derived from precipitation and the unconfined part of a multilayered aquifer system. This report, ... KJ Hollett,WR Danskin,WF Mccaffrey,... - United States Geological Survey Water-Su...
a气管弯头 気管のくねり[translate] aadvanced gold system 先进的金系统[translate] aEver week I have six kinds of xoft drinks,seven chocolate bars and some ice-cream. 星期我有六xoft饮料、七个巧克力块和一些冰淇凌。[translate]
A large scale survey and a small scale continuous monitoring was conducted to evaluate the impact of Pb/Zn smelting on soil heavy metals (HMs) accumulation... F Shen,R Liao,A Ali,... - 《Ecotoxicology & Environmental Safety》 被引量: 23发表: 2017年 Zircon U-Pb Chronology,Geochemical Cha...
awhere T1 is the fundamental fixed-base period of the building,and TR and TH are the rocking and horizontal translation periods of the same building if it moves as a rigid body on flexible soil. 那里T1是大厦的根本固定基地期间和TR和TH是同一个大厦的晃动和水平的翻译期间,如果它在灵活的土壤移...
AN INVESTIGATION OF THE PERFORMANCE OF NINE MAJOR ROADS HAVING CEMENT-BOUND GRANULAR BASES A DETAILED SURVEY WAS CONDUCTED ON THE PERFORMANCE, AFTER ABOUT 5 1/2 YEARS OF HEAVY TRAFFIC, OF NINE MAJOR ROADS HAVING CEMENT-BOUND GRANULAR BASES. ALL T... WA Lewis,BA Broad - 《Cement Treated So...
aAs a thank you for your participation we will send you an e-gift card valued at US$10. Please provide your contact information below. This information is required in order to be eligible for your prize, but please be assured, it will not be linked to your survey data and will not be...
Last year, some groups of students in their community made a survey( 调查) about “How do people spend their free time?” The following diagrams(图表) show some results(结果) of it: Diagram (1): Hours for people of different ages who surf the Internet in a week. Diagram (2): ...
We tested this relationship in California during July and early August 1992, using a portable radonmeter to conduct soil-air radon surveys at 5 sites across three kinds of faults: Creeping, locked, and freshly broken.Along a 350-m long survey line across a creeping segment of the San ...
本句中代词it指代上文提到的同一事物the soil。句意:如果土壤太贫瘠,化学物质能够改良土壤并能够种出更好的粮食。 【7】surrounding 考查非谓语动词。动词surround与land构成主动关系,所以使用现在分词短语surrounding the farms修饰名词land。 【8】a 考查冠词。不定冠词a/an表示泛指,定冠词the表示特指。本句中名词...