Results 11 to 20 of about 2,514 (103)
Application Prospects and Prospect of Metabolomics in the Identification of Sudden Cardiac Death [PDF]
, 2021 In cases of sudden death, the prevention of sudden cardiac death and the analysis of the cause of death after sudden cardiac death have always been a difficult problem.
GU Zhen, NIU Jia-jia, AN Guo-shuai, et al.
core +1 more source
Zhejiang Daxue xuebao. Lixue ban, 2007 以过硫酸铵和季戊四醇为氧化还原引发体系引发丙烯酰胺(AM)与甲基丙烯酰氧乙基三甲基氯化铵(DMC)自由基共聚合，采用FTIR和1H-NMR进行结构表征.研究了引发剂用量、单体配比及浓度对星形阳离子型聚丙烯酰胺共聚物特性粘数及阳离子度的影响，并用于处理高岭土废水，其絮凝效果明显优于相应的均聚物及线形共聚物.
ZHENGBao-qing(郑宝庆) +1 more
doaj +1 more source
Zhejiang Daxue xuebao. Lixue ban, 2008 采用等转化率法研究了2， 4， 6-三（羟基苯甲基氨基）-均三嗪(MFP)与双酚A型环氧树脂(DGEBA)在等温和非等温条件下的固化反应行为，两种条件下MFP/DGEBA固化反应的表观活化能（Eα）均随转化率(α)增加呈先减后增的趋势（α= 0.25时取得最小值）.由于仲胺基和酚羟基对环氧基反应的不等活性，非等温固化反应时两种反应先后发生，形成Triazine-NCH2-CH(OH)-结构后，再形成ArO-CH2-CH(OH)-结构并产生交联，前后两阶段Eα分别为69.8、86.8 kJ • mol-1.
ZHANGXing-hong(张兴宏) +2 more
doaj +1 more source
Zhejiang Daxue xuebao. Lixue ban, 2006 合成了一种含氮固化剂2，4，6-三（羟基苯基亚甲基胺）-均三嗪(MFP)和两种结构不同的含磷环氧树脂(FD、ED), 经红外光谱、核磁共振和元素分析等表征，证实了其化学结构.用MFP固化FD和ED制得了新型无卤阻燃的环氧树脂.用DSC测定了固化物玻璃化转变温度（Tg)，用TGA表征了其热性能，UL-94垂直燃烧试验表征了其阻燃性能.结果表明，所得含磷氮的无卤阻燃环氧树脂具有较高的玻璃化转变温度，优良的热稳定性，初始分解温度高达300 ℃以上，在850 ℃下的残炭率达到了27%以上，阻燃性能均达到了 UL-
MINYu-qin(闵玉勤) +3 more
doaj +1 more source
Zhejiang Daxue xuebao. Lixue ban, 2008 2-苄硫基-5，7-二甲氧基-1，2，4-三唑并[1，5-a]嘧啶（Ⅲ）是磺草唑胺(metosulam)及1，2，4-三唑[1，5-a]嘧啶醚类超高效除草剂的重要中间体.由5-氨基-3-苄硫基-1，2，4-三唑(Ⅰ)为起始原料，经环合、氯代一步反应制得2-苄硫基-5，7-二氯-1，2，4-三唑并[1，5-a]嘧啶（Ⅱ).优化试验发现90 ℃、丙二酸与(Ⅰ)摩尔比为1.1：1、反应20 h时收率达85%以上.（Ⅱ)与甲醇钠进行置换反应制得(Ⅲ)，对反应温度和物料配比进行了优化试验，发现25 ℃、甲醇钠与 ...
SUNGuo-xiang(孙国香) +4 more
doaj +1 more source
Progress in Understanding the Relationship between Diabetes and Host Intestinal Microbiota and Diet-Mediated Microbiota Regulation [PDF]
, 2023 Diabetes is a metabolic disease characterized by insulin secretion disorder. When serious, it can cause various complications (cardiovascular and cerebrovascular diseases, cataract and other eye diseases, kidney disease and cancer), bringing a huge ...
WANG Danping, XU Jinzhao, ZHANG Xiaohang, NING Ke, LIU Ye, XU Yuanzhi, XIE Qinggang, XU Xiaoxi
core +1 more source
Research Progress in the Formation and Regulation of Fish Soup Flavor [PDF]
, 2023 Fish soup, a traditional Chinese broth food, is loved by consumers due to its rich nutrition, high digestion and absorption rate, umami and sweet taste, and strong aroma.
WU Yanni, AN Yueqi, XIONG Shanbai
core +1 more source
Study on the mechanism of trimethylamine oxide damaging cardiac function in mice with hypertrophic cardiomyopathy [PDF]
Objective·To investigate the effects of trimethylamine oxide (TMAO) on cardiac function in mice with hypertrophic cardiomyopathy (HCM) and its potential molecular mechanism.Methods·Mice with myosin heavy chain 6 (Myh6) c.1211G>A (p.R404Q+/-) point ...
CHEN Hanzhang +8 more
core +1 more source
Prediction value of serum TMAO on myocardial injury after PCI in patients with coronary heart disease based on decision curve analysis [PDF]
Objective To explope the predictive efficacy of serum trimethylamine N ⁃ oxide（TMAO）on myocardial injury after percutaneous coronary intervention（PCI）in patients with coronary heart disease. Methods A total of 200 patients with coronary heart disease who
CHEN Guixiu，GUO Cheng，HE Lin
core +2 more sources
乳腺癌是女性最常见的癌症之一，严重威胁女性健康。早期诊断和精准化治疗乳腺癌有助于改善患者预后。本文总结了细菌及其代谢物对乳腺癌发展与治疗的研究现状，详细探讨了细菌及其代谢物在乳腺癌发展及干预中的作用与机制。这些机制包括调控炎症和免疫反应、损伤DNA以及调控细胞生物学特征等。工程菌因其在靶向肿瘤和激活免疫方面的天然优势，近年来已成为乳腺癌治疗领域的热点之一。本文进一步对工程菌在乳腺癌治疗中的研究进展进行了总结，旨在为制定靶向治疗策略及改善患者预后提供重要参考依据 ...
孙丹丹, 田国宝
core +4 more sources