The test is on the study of what the compound microbiological preparation and active organic fertilizer on the growth and quality of the replanted strawberry in greenhouse conditions.
于日光温室条件下，研究了复合微生物制剂和活性有机肥对重茬草莓植株生长及品质的影响。
This study focused on the preparation conditions of the Lanthanum with L-Threonine, including synthesis, feed ratio, temperature, acidity and time.
通过水溶液直接合成法制得L -苏氨酸镧，研究了L -苏氨酸镧的产率与反应的投料比、时间、温度、酸度等因素的关系。
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