草的

Persistence of grazing mixed pasture has been a key issue in environment conservation and sustainable utilizing of resources in karst region. Under moderate grazing with Corriedale sheep, the productivity and botanical composition of Trifolium pratense mixtures were studied over a 20-year period in karst region of southwest China. Four mixtures consisted of Trifolium pr...

用考力代绵羊轮牧，在牧前和牧后草地现存量(干物质，DM，drymatter)分别为1800~2500(草层高15~18cm)和900~1200kg·hm-2(草层高3~5cm)的适度放牧利用条件下，对亚热带最常见的豆科牧草红三叶与禾本科牧草的两两混播草地的群落生产力和持久性开展长期研究。20年的结果表明：适度放牧利用下，群落地上总生物量长期稳定，各组合间差异不显著，总盖度20a后仍高达97%以上；适度放牧有利于牧草的生产力持久性，红三叶、鸭茅、多年生黑麦草和黑穗画眉草都在群落中长期存在；群落净产量和持久性是尺度依赖的，群落长期净生产力以红三叶+鸭茅的最高(DM产量353.3g·m-2·a-1)(P.05)，对杂草侵入的抵抗力最强，而前10a红三叶+多年生黑麦草有很高的净生产力DM产量449.8g·m-2·a。。。

About 2,500 years ago, India has been extracted from the madder Qian red and blue dyed indigo cotton grass extract of the record.

约在2500年前，印度已有从茜草提取茜红和蓝草提取靛蓝染棉织品了的记录。

In this article the extracting technology of water-soluble polysaccharides of Common dayflower was probed.

以鸭跖草为原料，采用热水浸提，微波辅助热水浸提对鸭跖草中水溶性多糖的提取进行了研究，优化了提取工艺。

The aspirations of one day I saw a dog's tail grass ━━ grass, I put the wishes of the dog's tail grass as grass, I imagine that it could be completed with my desire of many to make my dream come true.

一天我看到了愿望草━━狗尾巴草，我把狗尾巴草看做愿望草，想像着它能为我完成我所许的愿望，能使我梦想成真。

The preparation process of equisetum pratense total alkaloid includes the following steps: coarse pulverizing equisetum pratense to obtain rough powder, methyl alcohol percolation to obtain percolate, recovering methyl alcohol, concentrating, degreasing by means of petroleum ether, alkalifying concentrate, CHCl3 extracting, soda lye washing, neutral water washing, recovering CHCl3 to obtain rough alkaloid, adsorption by using silica gel column, eluting, recovering solvent so as to obtain refined EPR.

该发明是通过两个步骤来实现的：第一步，提取草问荆总碱，流程：草问荆粗粉――渗漉液――浓缩液(析胶、石油醚脱脂、氨水碱化)――碱化浓缩液(CHCl3萃取)――CHCl3层――CHCl3液(回收CHCl3)――粗生物碱――吸附硅胶柱――精致EPR。第二步，选择实验试剂、仪器、用小鼠作为实验对象，进行中枢神经系统实验，研究作用及作用机制。

Esparto: Long-fibred grass,grown in North Africa and Spain, used in pulp for paper -making.

西班牙草：一种生长于北非和西班牙的长纤维草，用来制浆造纸。

Here, dune evening primrose flowers stand out in a sea of purple desert sand verbena.

在这里，沙丘月见草花在引人注目在海洋的紫色沙漠马鞭草属植物。

"Feterita:a grass (Sorghum vulgare var. caudatum) native to Sudan, grown in warm regions for its grain and as forage."

"苏丹草：一种生长于温暖地带的草，原产于苏丹，其谷粒用作饲料。"

Feterita:a grass Sorghum vulgare var.

"苏丹草：一种生长于温暖地带的草，原产于苏丹，其谷粒用作饲料。"

Effect and its mechanism of jasmonates on floret opening were studied in rice Oryza saliva L.

以稻、高粱、苏丹草和果园草等植物为试验材料，研究了茉莉酸类对颖花开放的效应及其机理，并对茉莉酸甲酯用于调节水稻杂交制种中父母本花时进行了初步研究。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。