双乙酰在啤酒中含量高，阈值低，对啤酒风味影响很大。
Higher content of diacetyl in beer has great effects on beer flavors due to its low threshold.
双乙酰，乙偶姻含量有大幅度增加，其含量比对照酒高一倍。
The contents of diacetyl and acetoin in wine increased significantly and the average was twice as much as that in controlled wine.
本文简要综述了啤酒生产中双乙酰的形成机制和代谢调控研究进展。
In this paper, the progress of study on the formation mechanism and metabolic control of diacetyl was reviewed briefly.
双乙酰是啤酒中重要的风味物质，它的含量是啤酒质量的一个重要指标。
The content of the diacetyl, as an important flavor substance in beer, was an important index to control beer's quality.
SBS进行催化加氢反应，采用双乙酰丙酮钴-三异丁基铝均相催化体系；
SBS carried out catalytic hydrogenation reaction, using acetone-tri-isobutyl aluminum as homogeneous catalyst.
压力也导致酵母的发酵速度、耗糖率、乙醇生成量、双乙酰的生成和还原速率下降。
During beer fermentation, the fermentation rate of yeast, the consumption rate of total sugar, the producing and reducing rates of alcohol and diacetyl were decreased as the pressure was increased.
对EBC法、气相色谱法和化学发光法测定啤酒中的双乙酰含量进行了优化和比较。
The measuring methods for diacetyl content in beer including EBC method, GC method and chemical radiation method were optimized and compared.
啤酒酿造过程中经常出现一种现象，即清酒双乙酰值较低而成品啤酒中双乙酰成倍增长。
It is common that during the production of beer that diacetyl value is low in clear wine but timely increases in produced wine.
研究了环六亚甲基双乙酰胺对人成骨肉瘤MG-63细胞的增殖和相关基因表达的影响。
In this paper, we studied the effects of HMBA on the proliferation and expression of genes in human osteosarcoma MG-63 cells.
最后确定双乙酰还原好的酵母菌株用于生产上，达到理想的效果，从而提高了啤酒风味稳定性。
The results indicated that the use of such strain in beer production could achieve ideal effects and improve beer flavor stability.
本文对利用肌酸比色法测定双乙酰过程中的若干影响因素进行了研究，进一步完善了此测定方法。
The paper makes a study on the effect of some factors in determining diacetyl with Voges-proskavr test, and makes the method more perfect.
通过对双乙酰和2,3 -戊二酮的形成机理的分析，采取相应的工艺措施，以提高啤酒的风味。
Based on the analyses of the formation mechanism of diacetyl and 2, 3-pentanedione, corresponding technical measures can be taken to improve the flavor of beer.
通过发酵试验发现这些菌株的代谢产物双乙酰和高级醇的含量，双乙酰的还原速度存在较大的差异。
The fermentation research showed that these strains had different reducing speed of diacetyl and the contents of diacetyl and higher alcohols.
本文讨论成品啤酒中双乙酰含量回升原因及保证双乙酰含量在啤酒保质期内符合要求的工艺控制措施；
This paper discuss the cause for the increase of diacetyl contents in beer products and the techniques for the control of diacetyl contents in the brewed beer during their quality-guaranteed period.
目的：研究六亚甲基双乙酰胺（HMBA）与紫杉醇合用对人骨肉瘤OS 990 1细胞的抑制作用。
Objectives:To study the inhibitory effect of hexamethylene bisacetamide (HMBA)combined with taxol on human osteogenic sarcoma cell line OS 9901.
摘要实验研究了压力发酵对酵母繁殖、双乙酰形成及还原、高级醇和酯的形成，以及啤酒口味等方面的影响。
The effects of pressure fermentation on barm propagation, the formation and reduction of diacetyl, the formation of higher alcohols and esters, and beer taste were studied in the experiments.
双乙酰是衡量啤酒风味成熟与否的决定性指标，其含量超过其味阈值，会给啤酒带来不愉快的馊饭味，影响啤酒风味。
The content of diacetyl is the decisive index to measure whether the beer flavor got matured. Its content above the taste threshold value in beer would result in unpleasant sour beer taste.
结果表明：酵母细胞的出芽率、生长速度、代谢产物乙醇的产量、付产物双乙酰的含量以及有关酶类的活力均发生了变化。
The results are that germination capacity, growth speed, the yield of metabolic product ethanol, the content of by-product biacetyl and activity of related enzymes for the cells change obviously.
通过与模拟实验进行比较，认为水解产物乙酰乙酸与AA一起充当了振荡反应双底物的角色。
It is considered that the hydrolysis acid and AA are the double substrates in the oscillating reaction through the comparison of simulation test.
就双乙烯酮与异丙醇在不同催化剂下反应生成乙酰乙酸异丙酯的条件及结果进行了讨论，并提供了实验数据。
The conditions and results of the reaction of diketene with isopropyl alcohol in the presence of different catalysts are discussed and some experimental data are provided.
esprit研究：轻度抗凝血治疗、乙酰水杨酸和双嘧达莫联合治疗，还是单纯乙酰水杨酸治疗？
The ESPRIT study: mild anticoagulant therapy, combination treatment with acetylsalicylic acid and dipyridamole, or treatment with acetylsalicylic acid alone?
乙酰唑胺、醋甲唑胺、双氯非那胺等碳酸酐酶抑制剂自1954年起就被应用于青光眼的降眼压治疗。
Carbonic anhydrase inhibitors (CAIs) were first used to lower intraocular pressure (IOP) in glaucoma in 1954, with the introduction of acetazolamide, methazolamide and diclofenamide were subsequently.
样品经双甲基硅烷三氟乙酰胺衍生后，以美托洛尔为内标物，用气相色谱-质谱联用仪进行定性定量分析。
After samples were derived by BSTFA, GC-MS took metoprolol as the internal standard substance and made a qualitative and quantitative test.
这些结果说明，吡虫啉、杀虫双和乙酰胆碱受体发生相互作用过程存在差异。
This study shows that there is some pharmacological difference between Imidacloprid and Dimehypo during their interactions with the postsynaptic acetylcholine receptors.
采用己二酸与醋酸混合酸酐对糯玉米淀粉进行双重变性制备乙酰化己二酸双淀粉。
Acetylated distarch adipates was prepared by waxy corn starch with adipic acetic mixed an- hydride.
利用乙酰丙酸和苯酚缩合反应制取双酚酸。
In this paper, the progress on diphenolic acid preparation by condensation reaction of levulinic acid and phenol is introduced.
获得了抗双草醚钠的两个株系，其中乙酰乳酸合酶发生了一个新的突变，第95位的甘氨酸突变成了丙氨酸（G95A）。
Two lines of BS-resistant plants carrying a novel mutation, the 95th Glycine to Alanine (G95A), in ALS were obtained.
获得了抗双草醚钠的两个株系，其中乙酰乳酸合酶发生了一个新的突变，第95位的甘氨酸突变成了丙氨酸（G95A）。
Two lines of BS-resistant plants carrying a novel mutation, the 95th Glycine to Alanine (G95A), in ALS were obtained.
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