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Owing to the inaccessibility of substrate, the physiological function of aleurone beta-amylase is unknown. Some lipases reported possess both lipase and phospholipase activities.

因此推测玉米的beta淀粉酶可能和大豆beta淀粉酶同样具有抑制脂解酶的能力,其存在可以部分抑制脂解酶活性。

Octreotide can also be synthesized by solid-phase method, and its molecular weight is 1019.3 dalton.

奥曲肽也可以通过固相合成的方法获得,是生长抑制激素抑制素的八肽类似物。

The inhibition kinetics of ammonia oxidation for ammonium-nitrogen or FA could be described by the Haldane inhibition equation.

Haldane抑制动力学方程可以较好地描述氨氧化的铵氮或自由氨基质抑制动力学过程。

The above results suggests that the hydrolase and FMO in microsomes are involved in the formation of M1 and M2 respectively.

黄素单氧化酶的特异性抑制剂甲巯咪唑可以显著地抑制M2的形成,但对M1的形成无明显的抑制作用,且M1在肝微粒体中的形成为NADPH非依赖性,上述结果提示参与M1和M2代谢的酶分别为肝微粒体中的水解酶和黄素单氧化酶。

Erythrina trypsin inhibitor is a Kunitz-type trypsin inhibitor, which inhibits both trypsin and tissue-type plasminogen activator. Immobilized ETI is an effective ligand for the affinity purification of these enzymes.

刺桐胰蛋白酶抑制剂是一种Kunitz型胰蛋白酶抑制剂,能够抑制胰蛋白酶及组织型纤溶酶原激活剂的活性,因此ETI可以作为配体与固定相偶联用于亲和层析。

The results showed that most of the microbes could be inactivated for the ultra high pressure treatment, the accumulation of total volatile basic nitrogen was restrained, and the change of pH value was delayed. The shelf life of white shrimp was prolonged with the enhancement of high pressure. High pressure treatment could make fresh shrimp with boiled flavor in some degree. Trements of 400 Mpa and 600 MPa aggravated blackening. However, melanotic reaction was not observed during the whole storage of shrimp treated by 700 MPa. High pressure could change the metabolizing of ATP and its metabolites, but did not impact the metabolic pathway of AMP decomposition.

结果表明:超高压处理可以有效地杀灭南美白对虾中绝大多数微生物,抑制贮藏过程中挥发性盐基氮的积累,延缓pH值的变化,从而延长南美白对虾的货架期,且处理压力越高延长效果越显著;超高压处理会给鲜虾带来不同程度上的煮熟虾的风味;400 MPa和600 MPa处理使虾在冷藏过程的黑变提前,而700 MPa处理可以完全抑制南美白对虾黑变现象的发生;超高压能够改变腺苷三磷酸及其代谢产物的代谢情况,但不影响腺苷酸的代谢途径。

Huang-hua' pear fruit was a typical climacteric fruit after harvest, and the fruit senescence-related factors, such as LOX activity, 02" content, AOS activity, ACC synthase activity, ACC content, ACC oxidase activity and ethylene production, changed with peaks at 20 "C. The activities of LOX, AOS, ACC synthase, ACC oxidase and the accumulation of O2 ", ACC content and ethylene synthesis were inhibited when stored at 1癈. And the severity of flesh floss and fruit decay was lightened. Low temperature combined with polyethylene film bag packing (PEF1 and PEF2) could further decrease the rate of weight loss, flesh floss, and fruit decay and keep preferable freshness. When PEF1 and PEF2 packing fruits were transferred to shelf life at 20 "C after storage at 1癈. The activities of LOX, AOS, ACC synthase, ACC oxidase could be suppressed and the accumulation of 02 , ACC content and ethylene production were slowed down to a certain extent, especially during the shelf life after 60 d storage. PEF1 and PEF2 packing fruit could maintain higher firmness as well, and the effects became more distinct along with the storage period, there existed no significant difference between PEF1 and PEF2 treatments.

试验结果表明,在20℃下,LOX活性、O2-水平、AOS活性、ACC合成酶活性、ACC含量、ACC氧化酶活性及乙烯的生成,均呈峰形变化;1℃处理可抑制LOX、AOS、ACC合成酶、ACC氧化酶的活性和O2-、ACC的积累,抑制贮藏果实的乙烯合成,减轻果肉发绵和果实腐烂。1℃下贮藏的果实,若结合不同聚乙烯薄膜袋(PEF1和PEF2)小包装,可以进一步降低果肉发绵率和果实腐烂率,保持果实新鲜度;当果实经过一段时间贮藏后,转移到20℃下,在货架期间,PEF1和PEF2对果实成熟衰老各个相关因子均有不同程度的抑制效应,主要表现在贮藏60d后的货架期间,同时维持较高的果实硬度,对硬度的影响随着贮藏时间的延长愈加明显,PEF1和PEF2处理效果之间无显著差异。

Results: 1 Tritiated thymidine incorporation assay showed that 1μM adenosine plus coformycin slightly inhibited CTLL-2 proliferation, while 5-20μM adenosine elicited marked inhibition on CTLL-2 proliferation responded to IL-2 a dose-dependent fashion. 2 Coformycin alone could also inhibit CTLL-2 proliferation at the concentration of 2.5μM. The underlying reason maybe due to the endogenous adenosine produced by CTLL-2 cells.

结果:11μM腺苷对CTLL-2增殖仅有轻微的抑制作用,而5、10、20μM腺苷的存在可显著抑制CTLL-2的增殖,并且呈剂量相关,P值均小于0.05.2CTLL-2经过2.5μM助间型霉素的单独处理也可引起轻度的增殖受抑现象,分析其可能原因是T细胞自身可以分泌腺苷,所以该抑制现象的出现与内源性腺苷有关。3本实验所用腺苷浓度对CTLL-2的活细胞百分率影响轻微。

MCP could inhibit the respiration of climacteric fruits such as Starking and Fuji apple and Feicheng peach in different degree, and this effect was not be able to convert by exogenous ethylene. On the contrary, the effect of 1-MCP on the non-climacteric fruit was not ascertainment: 1-MCP inhibited the respiration of strawberry stored at 20℃ during the whole storage time, while when stored at 0℃, 1-MCP didn't inhibit the strawberry respiration.

1-MCP能够不同程度的抑制跃变型果实富士、红星苹果和肥城桃的呼吸作用,而且这种作用可以不为外源乙烯所拮抗,但对非跃变型果实草莓的呼吸作用的效果则不确定:1-MCP抑制了20℃下草莓的呼吸速率,但并没有抑制0℃下贮藏草莓的呼吸作用。

On the bases of absorption spectra measurements, it is shown that stabilizer is beneficial to the stability of J-aggregate of sensitizing dye Results of reflection spectra and spectral-exposure experiments demonstrate that spectra absorbance are greatly affected by the adding order of stabilizer and sensitizing dye and only stabilizer added after dye can advantage for J-aggregate of sensitizing dye neatly forming on the surface of silver chloride grain and its absorbance be available ESR experiments show that the addition of stabilizers can decrease the number of dye positive hole and accelerate the decay of it Then desensitization aroused by the recombination of dye positive hole with photoelectron and/or latent image center, was reduced at the presence of the stabilizers

通过溶液光谱实验说明稳定剂有利于染料J聚集体的稳定性;反射光谱实验和光谱曝光实验证明稳定剂与染料的添加次序对乳剂的光吸收有很大的影响,只有稳定剂在染料之后加才有利于染料在AgCl颗粒上排列整齐形成J聚集态及其光吸收;ESR实验结果说明稳定剂的加入可以降低染料正空穴的浓度及其衰减速率,使乳剂中染料正空穴减少,从而抑制了染料正空穴引起的减感作用。因此可以认为稳定剂的超增感作用:一是有利于染料形成J聚集态及乳剂的光吸收;二是降低染料正空穴的浓度,从而抑制染料的减感。同时还提出了染料与稳定剂的增感吸附模型。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力