The electrochemical behavior of X70 pipeline steel in a synthetic near neutral soil solution is investigated.
试验研究了X70管线钢在模拟土壤介质中 ，循环载荷下的裂纹扩展特性和宏观规律 。
Results also show that EXC-Cd were the most active or available form, and then WBO-Cd in Acidic-neutral soil.
不同供试土壤中活性镉的形态是：中、酸性土壤主要为交换态与松结有机态，而石灰性土壤上则以交换态为活性镉的主要给源。
Is a long-acting fertilizer for acid soils or neutral soil, the supply of plant phosphorus, magnesium and silicon, calcium element.
是一种长效磷肥，适用于酸性土壤或中性土壤，供给植物磷、镁和硅、钙等元素。
The typical and representative purple soils in Sichuan Basin are red purple soil (acidic), gray-brown purple soil (neutral), and red-brown purple soil (calcareous).
红紫泥、灰棕紫泥、红棕紫泥依次是四川盆地典型具有代表性的酸性、中性和石灰性紫色土。
Adsorption of chlorpyrifos on humic acid (HA) of neutral purple soil was studied through balance vibration method.
通过平衡振荡法研究毒死蜱在中性紫色土腐殖酸(HA)上的吸附。
In the acid paddy soil, sediment, the available phosphorus sources were Fe-P and Al-P. While Al-P was the source when the paddy soil was neutral or basic.
三角洲沉积酸性水稻土的有效磷源为铁磷和铝磷，中性、弱碱性水稻上为铝磷。
The mineralization of soil organic phosphorus in citrus plantations was mainly depended on soil neutral phosphatase activity.
柑橘树下有机磷矿化主要以中性磷酸酶为主。
The PH value of soil is neutral in Changchun Normal University, but the difference in various places is not obvious.
从整体来看土壤的pH值呈中性，各样点差别并不明显。
Yellow cinnamon soil is clay, neutral or acidic.
陕南茶园，土质多为黄褐土、黄棕壤。
Yellow cinnamon soil is clay, neutral or acidic.
陕南茶园，土质多为黄褐土、黄棕壤。
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