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- Under normal pressure and room temperature, urea humate is manufactured by coating urea with coal humus acid,with water and a few additives as its binder,also its agricultural effect is examined. 介绍用水和少量添加剂作介质,在常温常压下,煤炭腐植酸与尿素直接进行络合反应包裹生产腐植酸尿素的工艺及特点,并对其农业应用效果进行了讨论。
- coal humus acid 煤炭庸植酸
- The effect of organic expanders including humus acid, lignin,vio-lanthrone and isoviolanthrone on the performances of the lead-acid battery are described. 本文叙述了腐殖酸、木素、紫蒽酮及异紫蒽酮作膨胀剂对蓄电池性能的影响.
- For treatments of combing organic fertilizer with NPK and PK, NPK and abandoned land, the rate of humic acid carbon to humus acid carbon increased and opposite to rate of fulvic acid carbon to humus acid carbon. 有机肥配施NPK、磷钾及氮磷钾化肥和撂荒土壤:胡敏酸碳/腐殖酸碳比值上升,富里酸碳/腐殖酸碳比值下降;
- relative colour degree of humus acid 腐殖酸的相对色度
- The Protection of Humus Acid Water Treatment Agent for Heat Exchanger 腐殖酸盐水处理剂对换热器的防护作用
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- She piled on more coal before the fire go out. 在火熄灭之前她又加上些煤。
- I add the coal on the flame continuously. 我不断朝火里添加煤炭。
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- He put a shovel of coal on to the fire. 他往火炉里加了一铲煤。
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- We have enough coal to see the winter out. 我们有足够的煤过冬。
- They eked out their coal by collecting firewood. 他们拣拾木柴以补充煤的不足。
- We had a big delivery of coal today. 今天我们收到大批订购的煤。
- Pile on more coal the fire is going out. 火快灭了,再加上些煤。
- What can we do with the bituminous coal? 这些烟煤可以用来做什么?
- A coal fell from the fire and burned the mat. 一块煤炭从火中掉出来,烧坏了地席。
- The country is rich in oil and coal. 这个国家石油和煤的资源丰富。