Biodegradable polyesters are polymer materials, they can be synthesized by chemical methods, enzymatic-catalysis and ferment. 生物可降解聚酯是一种新型高分子聚合材料,可通过发酵、化学方法和酶催化来合成。
Pig's digestive rate of straw powder biological feed was determined in the experiment. The feed was produced from straw treated synthetically with physical, chemical and microbiological semisolid ferment method. 利用秸秆,经物理的、化学的和微生物的半固体发酵综合处理,生产的草粉生物饲料进行猪体消化试验,测定了猪体对该饲料的消化率。
Research on the Chemical Compositions of Bulgaria inquinans ′ Ferment Liquid 胶陀螺发酵液的研究微量液料蠕动泵
Kojic acid is a kind of weak acid chemical compound that was produces by microorganism that make fine oxygen ferment with the starch candy raw materials. 曲酸是微生物利用淀粉糖原料好氧发酵产生的一种弱酸性化合物。
The experiment research expresses that under the same physical and chemical condition in same batch ferment liquid, the main factors affect the flocculent are flocculent reagent, temperature, the pH value of the ferment liquid. 实验研究表明,在同一批发酵液其物化性能相同的条件下,影响絮凝效果的主要因素为絮凝剂、温度、发酵液pH值。
Prevention of Senility& Bio-chemical Ferment 防衰老与生物化学酶&记程一桂与他的科研成果衡态系列功能型蛋白质粉