搜索结果: 1-15 共查到“工学 beta”相关记录29条 . 查询时间(0.092 秒)
beta-Pinene Derived Products With Enhanced In Vitro Antimicrobial Activity
β-pinene hydronopyl antifungal activity phytopathogenic fungi bacteria
2024/1/10
The development of new antimicrobials has always been a research hotspot. In this study, β-pinene-based derivatives were synthesized, and their antimicrobial activity was evaluated. The purpose was to...
一种复合孔道结构Beta分子筛的合成方法，其特征在于，以聚季铵盐-11为结构导向剂，所合成的Beta分子筛同时具有8～20nm的介孔和50～200nm的大孔。
一种Beta分子筛的合成方法，其特征在于，在合成过程中采用高分子聚合物同时作为微孔和介孔的导向剂，原料价格低廉且合成方法简单，具有广阔的工业应用前景。
一种具有多级孔道的Beta分子筛及其合成方法。该分子筛具有二级介孔结构，在合成过程中采用聚季铵盐同时作为微孔和介孔的导向剂，原料价格低廉且合成方法简单，具有广阔的工业应用前景。
Highly selective production of renewable p-xylene from bio-based2,5-dimethylfuran and ethylene over Al-modified H-Beta zeolites
p-xylene ethylene Al-modified H-Beta zeolites
2023/6/19
Highly selective synthesis of renewable p-xylene (PX) from bio-based 2,5-dimethylfuran (DMF) and ethylene was successfully realized on H-Beta zeolite catalysts with further Al-modifications. The influ...
JECFA标准 INS No. 160a(i) Beta-胡萝卜素(合成)。
废水中聚丙烯酰胺在Ｈ⁃Ｂｅｔａ分子筛上的吸附特性
吸附 动力学 吸附热力学
2015/9/24
将Ｈ⁃Ｂｅｔａ用于处理含聚丙烯酰胺（ＰＡＭ）的驱油废水，研究了ＰＡＭ在Ｈ⁃Ｂｅｔａ上的吸附动力学和热力学特征，并考察了吸附条件对吸附
效果的影响．结果表明，吸附过程遵循准二级动力学模型；在低ＰＡＭ初始浓度（１００ｍｇ·Ｌ
－１
）时，吸附表观活化能＞４０ｋＪ·ｍｏｌ
－１
，说明Ｈ⁃Ｂｅｔａ对
ＰＡＭ的吸附以化学吸附为主；在高ＰＡＭ初始浓度（２００和...
废水中聚丙烯酰胺在 H⁃Beta分子筛上的吸附特性
聚丙烯酰胺 吸附 动力学 吸附热力学
2015/11/5
将 Ｈ⁃Ｂｅｔａ 用于处理含聚丙烯酰胺（ＰＡＭ）的驱油废水，研究了 ＰＡＭ 在 Ｈ⁃Ｂｅｔａ 上的吸附动力学和热力学特征，并考察了吸附条件对吸附
效果的影响．结果表明，吸附过程遵循准二级动力学模型；在低 ＰＡＭ 初始浓度（１００ ｍｇ·Ｌ
－１
）时，吸附表观活化能＞４０ ｋＪ·ｍｏｌ
－１
，说明 Ｈ⁃Ｂｅｔａ 对
ＰＡＭ 的吸附以化学吸附为主；在...
The effects of low and high glycemic index foods on exercise performance and beta-endorphin responses
nsulin opioids training food
2015/7/22
Τhe aim of this study was to examine the effects of the consumption of foods of various glycemic index values on
performance, b-endorphin levels and substrate (fat and carbohydrate) utilization durin...
JECFA标准 INS No. 160e Beta-阿朴-8-胡萝卜醛。
JECFA标准 INS No. 160a(iii) Beta-胡萝卜素(发酵法)。
The Beta Generalized Weibull distribution: Properties and applications
Weibull Beta Weibull distribution Generalized Weibull distribution Maximum likelihood estimation (MLE) Information matrix
2012/4/15
A five-parameter distribution called Beta Generalized Weibull (BGW) distribution is introduced. Beta Generalized Exponential (BGE), Beta Weibull (BW), Generalized or Exponentiated Weibull (GW or EW), ...
核壳结构的Beta-Y复合分子筛的合成与表征
Beta-Y复合分子筛 表征 合成 机理
2014/7/24
采用两种不同的水热晶化法合成Beta-Y复合分子筛,并采用XRD、SEM-EDS、FT-IR、N2 吸附-脱附技术对其进行表征。结果表明,以Beta分子筛为唯一硅源合成的sample A具有Y和Beta分子筛两种晶型结构,为机械混合形式;而以Beta分子筛母液为前躯体合成的sample B为核壳结构的复合分子筛,具有Y和Beta分子筛两种晶型结构,其核相为Beta分子筛,壳层为Y型分子筛,其晶体中...
Performance of a large TeO2 crystal as a cryogenic bolometer in searching for neutrinoless double beta decay
large TeO2 crystal cryogenic bolometer cryogenic bolometer neutrinoless double beta decay
2011/7/20
Bolometers are ideal devices in the search for neutrinoless Double Beta Decay. Enlarging the mass of individual detectors would simplify the construction of a large experiment, but would also decrease...
Microscopic calculations of isospin-breaking corrections to superallowed beta-decay
microscopic calculations superallowed beta-decay angular-momentum-projected nuclear density functional theory
2011/10/11
Abstract: The superallowed beta-decay rates that provide stringent constraints on physics beyond the Standard Model of particle physics are affected by nuclear structure effects through isospin-breaki...