| 1. | All the water retained in a soil is not equally available to plants .
保留在土壤中的全部水分对植物的有效性是不一致的。 |
| 2. | Study and application of plate dam for meeting argent water retaining
板坝式应急挡水子堤方案的研究与应用 |
| 3. | Water retaining agents and their application in forestry production of china
保水剂及其在我国林业生产中的应用 |
| 4. | Application technique and effect of water retaining agent in gardens virescence
保水剂在园林绿化中的应用技术与效果 |
| 5. | The litter reserves and their water retaining capacity under abies fabri forest on the gongga mountain , sichuan province
贡嘎山冷杉纯林枯落物储量及其持水特性 |
| 6. | In the still of midnight , the still water retained in the still smaller still still remained still as it was not heated yet
在夜深人静的时候，在更小的釜中所留的静止的水仍然保持静止，因为还没有加热。 |
| 7. | After yearly burning , soil moisture content , porosity , separate coefficient , capillary and field moisture capacity increased , however , soil saturated water retaining capacity and unit weight decreased
连年火烧使土壤含水率、孔隙度、分散系数、毛管持水量和田间持水量升高，而使土壤饱和持水量、容重下降。 |
| 8. | Water absorbing polymer is the abbreviation of super absorbent polymers , a kind of high water - absorbing functional macromolecule , which is also called water retaining agent
摘要吸水剂（保水剂）是一类具有高吸水特性的功能性高分子交联物，由于其具有高吸水性、水不溶性和绿色环保性等显著特点，在多个领域得到广泛应用。 |
| 9. | Gestaguss gew edelstahlgiesserei gmbh deals among other things in high grade steel casting , pipe joint as well as in water retaining barrages , cast - iron bases and also in coupling support / girder
Erei gmbh是一家现代化的、可靠的产品供应商，这家供应商从事优质钢铸件,冷硬铸铁的制造、销售。请您访问我们的主页或者发送给我们电子邮件，垂询当前的产品类别和服务。 |
| 10. | With the development of human society , because of the lack of sustainable utilization consciousness , and the eager for quick success and instant benefit , the black earth suffered excessive cultivation and management , causing the reduction of its recycled ability , decrease in organic content , porosity ratio , fertility dropped and the properties of water retaining and water retention , which make the black soil harden and degenerate seriously
但是随着人类社会的发展，在缺乏保护和可持续利用意识、急功近利思想影响下，黑土遭到过度垦殖和掠夺式经营，人类对其活动范围远远超过了其再生能力，导致有机质含量减少，肥力下降，孔隙比减小，保水持水能力降低，土壤板结，黑土严重退化。 |
