酚

The activities of enzymes including Polyphenol Oxidase, Superoxide Dismutase, Catalase, Peroxidase and the contents of soluble protein, phenolics contents and varieties in the pericarp, sarcocarp and core of the pear fruits were measured.

以黄金梨、大香水、新梨七号为试材，研究了贮藏后梨褐变不同部位酚类物质含量和种类、多酚氧化酶、超氧化物歧化酶、过氧化氢酶、过氧化物酶的活性及可溶性蛋白的关系。

The function mechanism among the minerals and floatation drugs had been studied with the way of IR and academic calculation, which pointed out that absorption of G-4 on the surface of phosphorite belonged to physical and chemical types, but the chemical one was in the highest flight. Absorption of amine collector named GE-609 on the surface of quartz belonged to electrostatic and physical type. Distilled water could hardly wash the GE-609 down from the surface of quartz. Leading component of S-721 was the concentrated compound of naphthol sulfonic acid and formaldehyde. The compound had a stronger affinity to the Mg~(2+) on surface of dolomite than the Ca2+ on surface of phosphorite, which is the essential reason in the separation of phosphorite and dolomite. The leading components of soluble glass in function were HSiO3 hydronium and F^SiC^ colloid granule.

通过红外光谱测定以及理论计算的方法研究了选矿药剂与矿物间的作用机理，研究表明：脂肪酸捕收剂G-4对胶磷矿的捕收作用是以化学吸附为主、化学吸附与物理吸附共同作用的结果；胺类阳离子捕收剂GE-609在石英表面的吸附属于静电物理吸附，但很难用水洗的方法使GE-609从石英表面脱附；S-721主要成分为萘酚磺酸与甲醛的缩合物，萘酚磺酸与甲醛的缩合物对白云石表面Mg~(2+)的吸附明显强于对胶磷矿表面Ca~(2+)的吸附，这是胶磷矿与白云石分离的根本原因；水玻璃溶液中对石英起抑制作用的主要组分是HSiO_3~-和H_2SiO_3胶粒，水玻璃除对石英起抑制作用外，对矿浆还具有一定的分散作用。

Compared with sythesised antioxidant Butylated hydroxytoluene under the condition of the same applying quantity,natural antioxidant Tea Polyphenols distinctly prolongs the guarantee period of soya-bean oil and rape oil .

天然抗氧化剂茶多酚与合成抗氧化剂BHT比较，在使用量相同的条件下，茶多酚可以明显地延长豆油及菜油的保质期，其抗氧化效果优于BHT。

Precision of HPLC was well. RSD of precision test was 1.4%,and sample solution was stable.

高效液相色谱法测定丹皮酚的含量，丹皮酚在0.004 4～0.022 mg/ml的范围内呈良好的线性关系，r = 0。

So the oxidation of diethyl stilbestrol was that two phenolic hydroxyl groups were oxidated to carbonyl group by two electrons and two protons process.

所以己烯雌酚的氧化过程为两个酚羟基经过2质子2电子反应被氧化成羰基。

Femal rats were ovariectomized to build the model of osteoporosis, and then treated with Chinese drugs and stilbestrol respectively for 3 months. The results showed that both Chinese drugs and stilbestrol prevented the BMD, RBS and BTV from further declining in osteoporotic rats; but could not raise the BMD, RBS and BTV that had declined.

用卵巢切除的方法建立大鼠骨质疏松模型，然后对模型分别给乙烯雌酚或中药治疗3个月后发现，乙烯雌酚或中药治疗可以阻止股骨密度，抗弯强度和胫骨骨小梁体积的下降，但两种药物均不能使已经下降的股骨密度、抗弯强度和胫骨骨小梁体积升高。

Results Three kinds of veterinary drugs (erramycin,tetracycline,stilboestrol)were detected in the raw meat.The detection rate of terramycin was 5.13%,and the detection rate of stilboestrol and tetracycline was 2.56% and exceeded the national standards.However,aureomycin and hydroxymethyl tertbutyladrenergics were not detected.

结果 共检测出3种兽药(土霉素、四环素和己烯雌酚)残留，金霉素和盐酸克伦特罗未检出；检出率分别为土霉素5.13%，四环素、己烯雌酚为2.56%；残留量均超出中国相应标准。

We can conclude that paeonol and sodium paeonol sulfonate will be new resource of natural antioxidants.

可以认为丹皮酚和丹皮酚磺化物可成为高效的天然抗氧化剂新资源。

Methods: 50 female patients undergoing induced abortion,received propofol intravenous anaesthesia,induction dose was 2 mg~2.2 mg/kg,superaddition propofol 30 mg~50 mg to maintain anaesthesia depth.

虽然应用丙泊酚静脉麻醉行人工流产手术已广泛应用于临床，但有关丙泊酚静脉麻醉用于人工流产手术对心功能的影响方面的研究目前国内外少见。

To compare with the difference between ferrous tartrate method (GB/T 8313-2002) and Folin-Ciocalteu method for the determination of tea polyphenols content, 3 groups of tea samples with 5 samples each group, which were selected randomly from local supermarket, were analyzed.

应用酒石酸亚铁法(GB／T 8313-2002)和Folin-Ciocalteu 法测定其茶多酚的含量，初步比较两种方法在多酚含量测定上的差异。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。