第二件,两周前的石油输出国组织会议经分歧结束,其成员国不同意提高产量。
Second, an OPEC meeting two weeks ago ended in disarray, with members disagreeing about higher production.
经抗病鉴定、系统选育和细胞学分析,选育出高产、抗白粉病的小麦新品种和农艺性状较好、抗白粉病的小麦新种质。
Through disease resistant identification, systematic selection and cell analysis, high yield varieties and new germplasm with good agronomic characters resistant to powdery mildes have been selected.
在微波辅助下,以廉价的腺苷为原料,经6步反应,以较高产率合成了具有重要生理活性的阿糖腺苷。
With the assistance of microwave irradiation, vidarabine is afforded in high yields through 6 steps, starting with adenosine, which can be obtained cheaply and conveniently.
经试验表明酵母抽提物能明显改善鸡精调味料风味,提高产品品质。
The experiments show that Yeast extract improves the flavor and quality of chicken granule flavoring remarkably .
介绍经使用不同类别橡胶硫化模型制造橡胶产品的实例比较,指出模型结构设计是提高产品质量的有效途径。
Comparing the practical examples of manufacturing rubber products by different curing molds points out that the designing of mold structure is an efficient way of improving-pro duct quality.
鼠李糖乳杆菌经实验室耐高糖高酸选育,能够在高糖浓度下高效高产L-乳酸。
A homofermentative strain, Lactobacillus rhamnosus was domesticated to produce L-lactic acid with high(efficiency) and productivity under high sugar and lactic acid(concentrations).
经多年试验示范,该品种表现株型矮壮紧凑、高产稳产、早熟、抗病性强、优质、适应性广等优良特性。
Several years' demonstrations revealed that it possessed characteristics of short stalk, high and stable yield, early maturity, high disease resistance, good quality and broad adaptability.
结果表明,经氯化汞活化的金属钐对酮类化合物与烯丙基或苄基卤代物的反应很有效,可高产率地生成叔醇。
Samarium metal (activated by HgCl2) is an effective reagent for allylation or benzylation of ketones. The corresponding tertiary alcs. are obtained in satisfactory yields.
结合菌株传代稳定性试验,说明该菌株已发生了遗传性变异,是经太空诱变后所选育的泰乐菌素高产菌株。
By the experiment of genetics stability, it showed that genetic variation of the strain had already taken place. It was the highest strain of the tylosin of selective breeding after space mutagenesis.
结合菌株传代稳定性试验,说明该菌株已发生了遗传性变异,是经太空诱变后所选育的泰乐菌素高产菌株。
By the experiment of genetics stability, it showed that genetic variation of the strain had already taken place. It was the highest strain of the tylosin of selective breeding after space mutagenesis.
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