浅谈文山州水土保持工作存在问题及对策

被引量 : 0次 | 上传用户:sherry_yang
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
回 回 产卜爹仇贱回——回 日E回。”。回祖 一回“。回干 肉果幻中 N_。NH lP7-ewwe--一”$ MN。W;- __._——————》 砧叫]们羽 制作:陈恬’#陈川个美食 Back to yield Buddy revenge - back to Japan E back. “Back once again.” Back to the dried meat in the magic N_. NH lP7-ewwe - “a” $ MN.W; - __._ - ------ "anvil called] feather production: Chen Tian
其他文献
本文采用水热法,利用不同比例的镍钴铬3种金属制备三元水滑石材料,并分析其结构性能特点.利用扫描电镜对镍钴铬三元水滑石(NiCoCr-LDH)的表面形貌进行表征,用X射线衍射仪对水滑
炼厂FCC油浆中含有一定量的固体催化剂颗粒,固体催化剂颗粒的存在对油浆的深加工和综合利用均有不利影响.本文以某公司1#催化装置FCC油浆试样为例,考察了超声波对FCC油浆脱除
The effects of seawater temperature on the physiological performance of three Halimeda species were studied for a period of 28 d.Five treatments were establishe
Green tides caused by the unusual accumulation of high floating Ulva prolifera have occurred regularly in the Yellow Sea since 2007.The primary source of the Ye
Chlorophyll a(Chl a),particulate organic carbon(POC)and biogenic silica(BSi)were determined in coastal waters adjacent to the Zhujiang(Pearl)River Estuary(ZRE)d
《九年制义务教育全日制小学数学教学大纲》在教学目的要求中指出:"使学生具有学习数学的兴趣,树立学好数学的信心。"根据这一要求,我在数学教学中运用了愉快教学,注意在课堂上
Centropages tenuiremis is a species with a wide distribution range in disturbed coastal waters.However,due to a lack of dietary information,it remains unclear a
<正> 一、前言啤酒后发酵液的过滤,传统多用滤棉过滤法。这方法制取滤棉费工费时,且不易实现生产自动化,因此逐渐被板框过滤法所取代。但板框过滤所用的硅藻土助滤剂,多从国