有机肥撒施机撒肥装置的研究

来源 :河北农机 | 被引量 : 0次 | 上传用户:dt
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
目前,我国有机肥利用技术落后,其生产、加工、使用及相关配套技术的滞后是导致我国有机肥利用率逐年下降的根本原因之一。针对目前国内有机肥利用现状,本文对有机肥撒施机的撒施装置进行了分析,特别对螺旋撒肥装置的撒布螺旋面进行了详细的阐述。
其他文献
An Al-doped spinel lithium manganese oxide was prepared by the adipic acid-assisted sol-gel method at 800℃, and the cathode materials (LiAl0.05Mn1.95O4) with d
The metastable liquid phase separation and rapid solidification of Cu60Fe30Co10 ternary peritectic alloy were investigated by using the drop tube technique and
Six series of meso-tetrakis (4-n-alkanoyloxyphenyl) porphyrin Co and Ni complexes (12 kinds) were reported. Nine of the compounds were found to exhibit liquid c
A radiative heat transfer mathematical model for a one-dimensional long furnace was set up in a through-type roller-hearth furnace (TTRHF) in compact strip prod
Bridgman directional solidification and laser remelting experiments were carried out on Nd11.76Fe82.36B5.88 and Nd13.5Fe79.75B6.75 alloys. Microstructure evolut
The specific heat and related thermophysical properties of liquid Fe77.5Cu13Mo9.5 monotectic alloy were investigated by an electromagnetic levitation drop calor
The cold isostatic press pretreatment process was adopted to prepare fine rare earth oxysulfide upconversion phosphors with spherical shape,narrow size distribu
The glass-transition behavior of Pd40Cu30Ni10P20 bulk metallic glass was investigated by differential scanning calorimetry (DSC) and X-ray powder diffraction (X
利用超高真空扫描隧道显微镜(STM)对沉积在Si(111)-7×7重构表面上的锰薄膜在300-650℃之间的固相反应进行了研究.锰原子最初在Si(111)衬底上形成锰的纳米团簇的有序阵列,经
猪弓形体病又称弓浆虫病或弓形虫病,由龚地弓形虫引起的一种人畜共患的寄生虫病,其宿主范围广泛,包括哺乳动物、鸟类、鱼类和爬行动物。患病猪以高热、繁殖障碍、呼吸及神经症状