查询词典 farmland

Yuan-renowned scientists, water experts GuoShouJing was cited in Stephen Stephen开渠district, irrigation of farmland, pass sail boat.

元代著名科学家、水利专家郭守敬，曾在泉区开渠引泉，灌溉农田，通舟行船。

Atrazine was also regarded as the most often detected herbicides in the rivers and rivulets all over the world for its heavy use in the farmland ecosystem.

农田中大量投放的水溶性较强的阿特拉津也是在各国河流、小溪等水体中检出率最高的除草剂。

For many farmers who are advanced in age, the reason why they cannot leave farming is the dream that their farmland can be rezoned for construction usage so that its value will soar many-fold.

对许多年岁已长的农夫农妇而言，割舍不下农业的理由，常常是对於农地可能变为建地而身价百倍的梦想。

Two of which are adjusting and optimizing the agricultural structure to increase the net income of farmers; reinforcing the protection and construction of eco-environment by retuning farmland to forest.

党和国家西部大开发战略，国务院对当前和今后一个重要时期要集中力量进行的 5个全局性重点工作之两点是：调整和优化农业结构，增加农民收入；加强生态环境保护和建设，退耕还林。

Pay close attention to Chinese prickly ash, walnut forests focus on the construction of new developments in Walnut, bungeanum 3600 acres, and built the old customs, under theliu yuan , ranked eight, such as pepper base, build tree, mud Hill, Tom Bu groove 3 of returning farmland to forest demonstration sites, 480 acres of forests.

狠抓以花椒、核桃为重点的经济林建设，新发展核桃、花椒3600亩，建成旧关、下柳元、中排等8个花椒基地，建成槐树、泥山、汤卜沟3个退耕还林示范点，退耕还林480亩。

The experiment used Four kinds of farmland common herbicides (Fenoxaprop、Clethodim、Glyphosate、Fenoxaprop-p-ethl),MDA content、Leaf cell menbrane permeability、Chlorophyll content were tested under three treaments of different medicaments and combined with the growth index.The results showed:(1) When they were used in normal concentration,growth and the others physiological indexes had obviously different under four kinds of herbicides treatments.According to effects of four herbicides on Zanthoxylum bungeanum Maxim ,the effect of Glyphosate randed first,the rest ones were Clethodim、Fenoxaprop-p-ethl and Fenoxaprop.

以农田中常用的6.9%骠马水乳剂、24%收乐通乳油、88.8%飞达红水溶性粒剂、6.9%威霸水乳剂等四种除草剂为供试对象，通过对各药剂的三种浓度处理下花椒叶片中丙二醛含量、叶片中叶绿素含量、叶片中细胞膜通透性的测定，再结合生长量指标进行分析研究，结果表明：(1)在常用浓度下，四种除草剂对花椒生长量及各生理指标的影响有很大差异，飞达红影响最大，依次为收乐通、威霸、骠马。

When European settlers moved west across America, they found that the prairies made excellent farmland.

当欧洲殖民者迁移到美国的西部，他们发现这片大草原可以变成良田。

Article 2 The state practises the system of protection of basic farmland.

第二条 国家实行基本农田保护制度。

Recently, the Office of Henan Province Land and Resources issued a "further advance on the supplementary reserve of arable land issues related to the work," which called for the province's land and resources at all levels of administrative departments to do a good job supplement of arable land in the project implementation and to ensure the quality of arable land at the same time added, organizations to add the item carefully cultivated since the early post-mortem examination and, in an effort to do construction projects of farmland for the first replenishment.

最近，该厅河南省国土资源部发布了&关于进一步推进补充耕地储备工作有关的问题&，要求全省的土地和资源在各级行政主管部门做好补充耕地项目实施，并确保质量的耕地，同时补充说，组织加入该项目的精心培育初以来的验尸报告，并在努力做的农田建设项目的第一次补充。

The purpose of the research was to investigate the environment risk of spreading the livestock and poultry manure produced by intensive culture into farmland directly.

［目的］考查集约化养殖产生的畜禽粪便直接施入农田造成的环境风险。

According to our present broadcasting situation,the thesis proposes using new technology to update and reform the present HFC. It also suggests broadcasting using self-advantage and arranging EPON in order to win the supermarket.

论文从我国广电的现状出发，结合实际，积极倡导采用新技术更新、改造我国现有的HFC网络；倡导广电现阶段利用自身优势，部署EPON网络来赢取市场。

A new general kinetic equation was derived in which the effect of the removal of condensation water was taken into account completely, and was applied to the polyesterification kinetic study of AA/HPHP and AA/NPG. It was found that the reaction order of self-catalyzed polyesterification was not constant. For these polyesterifications, the reaction order was 2.5 at a low temperature, while 3.0 at a high temperature.

考虑缩合水的排除对反应体系的影响，用体积浓度单位推导出一个新的聚酯反应总包动力学方程，并应用到AA/HPHP和AA/NPG两个聚酯化反应的动力学研究中，研究发现，自催化聚酯反应的反应级数并不是固定值，对于AA/HPHP和AA/NPG两个聚酯化反应而言，低温时反应级数为2.5，高温时反应级数为3.0。