【摘 要】
：
1991年10月4日～8日由农业部甜菜专家顾问组、中国农业科学院甜菜研究所、轻工业部甜菜糖业研究所、甘肃农业大学、甘肃省农业科学院有关专家组成的鉴定委员会对“甘肃河西灌
论文部分内容阅读
1991年10月4日～8日由农业部甜菜专家顾问组、中国农业科学院甜菜研究所、轻工业部甜菜糖业研究所、甘肃农业大学、甘肃省农业科学院有关专家组成的鉴定委员会对“甘肃河西灌区甜菜带田规范化种植技术”进行了鉴定。该课题由甘肃省农业厅经济作物处主持,张掖地区农业科学研究所等7个农业行政及技术推广部门共同参加了攻
October 4, 1991 to 8 by the Ministry of Agriculture beet expert advisory group, the Chinese Academy of Agricultural Sciences beet Research Institute, Ministry of Light Industry Sugar Beet Sugar Institute, Gansu Agricultural University, Gansu Academy of Agricultural Sciences, the identification of experts on the “Gansu Hexi Irrigated beet field standardized cultivation techniques ”were identified. The subject by the Gansu Provincial Department of Agriculture, presided over the Department of Economic Crops, Zhangye Prefecture Institute of Agricultural Sciences and other seven agricultural administration and technology promotion departments jointly participated in the attack
其他文献
The horizontal-longitudinal correlation of acoustic field for the receiver near the bottom is analyzed by using nu merical modeling.An approximate analytical so
石榴(Punica granatum L.)属石榴科石榴属落叶灌木或小乔木,主要分布于陕西临潼、山东枣庄、安徽怀远、四川会理、云南蒙自和新疆叶城。石榴种质资源的整理和评价是当前一项
请下载后查看，本文暂不支持在线获取查看简介。
Please download to view, this article does not support online access to view profile.
A compact laser plasma accelerator that is a novel accelerator based on the interaction of ultra-intense laser and plasmas is being built now at Peking Universi
We present a micro-Pirani vacuum gauge using the low-resistivity monocrystal silicon as the heaters and heat sinks fabricated by the post complementary metal ox
Negative refractive index (NRI) of the mesoscopic dissipative left-handed transmission line (LHTL) is manipulated by the displaced squeezed Fock state and the d
1990年进行棉花生产调整时,曾对3个行政村的8个组362户棉农的908亩两熟棉田的10多种种植方式,作了较系统的调查。通过综合分析,对以下7种两熟方式进行了评估。
In 1990, wh
请下载后查看，本文暂不支持在线获取查看简介。
Please download to view, this article does not support online access to view profile.
Amplifying the attosecond pulse by the chirp pulse amplification method is impossible.Furthermore,the intensity of attosecond pulse is low in the interaction of
Effects of Ti addition on the microstructures and mechanical properties of AlCrFeNiMo0.5Tix (x =0,0.25,0.4,0.5,0.6,0.75) high entropy alloys (HEAs) are investig