一般在发芽后4- 6周，或者当草坪100%完成地面覆盖后从生长期用肥转换到养护用肥。
Switch from a grow-in to a maintenance fertilizer regime at 4 to 6 weeks after emergence, or when the grass has reached nearly 100% ground coverage.
对不同养护温度下的混凝土徐变进行了研究，用化学反应速率描述温度对混凝土徐变的影响。
A study was made on concrete creep under different curing temperatures, and the comprehensive effects of time and temperature on creep development were expressed with the chemical reaction rate.
结构实体中混凝土的实际强度与标准养护的立方体强度不同，也很难准确地用间接推定的强度来测定。
The solid strength of the concrete structure is different to the sample cured under the standard condition, and it is difficult to be accurately tested by the indirect ways.
公司主要产品：各种汽车座垫座套、脚垫、把套、车用香水、精品内室、各种高低当养护品、各种电子产品等。
Main products: all kinds of car upholstery Block set, the Ottomans, the kit car perfume, fine, room, when the level of conservation of all kinds of goods, a variety of electronic products.
本发明属于建筑材料的技术领域，涉及一种碳化养护废弃物制备建筑材料用激发剂。
The invention belongs to the technical field of a constructional material, and relates to an excitant used for carbonizing and curing offal prepared constructional materials.
本发明属于建筑材料的技术领域，涉及一种碳化养护废弃物制备建筑材料用激发剂。
The invention belongs to the technical field of a constructional material, and relates to an excitant used for carbonizing and curing offal prepared constructional materials.
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