1)  residue of insecticide
					 
	
					
				
				 
	
					
				野外残效
			
					2)  field
					[英][fi:ld]  [美][fild]
					 
	
					
				
				 
	
					
				野外
				1.
					Study on field type pole and tower locating system
					 
					
						
						 
					
						野外式杆塔排位系统的研究
					2.
					In view of the defects of low sensitivity, poor detection limits, small number of determined elements and poor ability of matrix effect correction of the current field portable X ray fluorescence (XRF) analyzer, research work on key units of excitation source, detector, measurement circuit and microcomputerization was carried out.
						
						研制了微型低功率X射线管激发源;研制了低功耗1024道分析器,将其与高分辨率半导体探测器配合,实现了高分辨率X射线荧光探测;研究和实现了以笔记本式微型计算机系统为核心的微机化;在此基础上,构成了野外高灵敏度X射线荧光测量系统。
					3.
					This paper analyzed the necessity of reforming about teaching methods of practice, through studying the contents and methods of the practical fieldwork in the field of non-major surveying.
						
						本文通过对非专业测量学野外实践教学的内容、方法的研究,提出了实践教学改革的必要性,认为要根据专业特点安排实习内容,并完善实习基地建设,达到学以致用的目的。
					
					3)  Outdoors
					[英][,aʊt'dɔ:z]  [美]['aut'dɔrz]
					 
	
					
				
				 
	
					
				野外
				1.
					Technology of Separating Strains of Macrofungi from Outdoors;
					 
					
						
						 
					
						野外分离大型真菌菌种技术
					
					4)  Effect of surgical treatment of remnant stomach carcinoma
					 
	
					
				
				 
	
					
				残胃癌的外科疗效
			
					6)  field test
					 
	
					
				
				 
	
					
				野外试验
				1.
					Rationality analysis of field test method for evaluation of geological condition of deposit;
						
						矿床水文地质野外试验方法的合理性分析
					2.
					in the paper, following an example of the pebble river bed,the determination of the incipient velocities of nonuniform sands is represented,the effect of the shapes (kurtosis)of pebbles on the incipient velocities is analysed,and then,the field test results on the incipient motion law of nonuniform sands are introduced and compared with those of the theoretical analysis.
						
						分析了卵石形状(扁度)对起动流速的影响,介绍了非均匀卵石起动规律的野外试验结果及其与理论的对比。
					3.
					Based on the chief drawbacks of present field test methods for hydrodynamic dispersion coefficient, an improvement for the slug injection test in radial flow and a hydrodynamic dispersion test in two-dimen-sional flow are presented.
						
						针对现有弥散系数野外试验方法存在的缺点,提出了一种改进的径向流瞬时注入弥散试验和一种二维流场弥散试验的方法。
					补充资料:残效
		分子式:
分子量:
CAS号:
性质:农药施用后在毒性消失过程中所残留的毒效。按照药剂性质的不同,残效也有不同。例如六六六、滴滴涕、甲拌磷、波尔多液等的残效较长,敌百虫、特普等的残效较短。防治接近收获期的食用作物的病虫害,宜用残效较短的药剂。
		
		分子量:
CAS号:
性质:农药施用后在毒性消失过程中所残留的毒效。按照药剂性质的不同,残效也有不同。例如六六六、滴滴涕、甲拌磷、波尔多液等的残效较长,敌百虫、特普等的残效较短。防治接近收获期的食用作物的病虫害,宜用残效较短的药剂。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
	参考词条