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Mm, 5 μm and a UV detector. Elution was performed at a flow rate of 1 mL/min, with a gradient of methanol-acetonitrile-water starting at 80∶10∶10, increasing linearly to 86∶10∶4 in 35 min, then returning to the initial conditions in 5 min. Elution of phenacyl esters was monitored by absorbance at 254 nm. Pentadecanoic acid was used to be an internal standard.

分析所用色谱柱为ZORBAXSB C18柱，以十七酸作为内标，甲醇-乙腈-水为流动相，采用梯度洗脱(梯度洗脱程序为甲醇-乙腈-水由80∶10∶10在35 min内线性变化到86∶10∶4，然后在5 min内恢复到起始比例，流动相流速为1 mL/min)，通过测定苯乙酰甲酯在254 nm处的吸光度值来测定脂肪酸含量。

Different chromatographic parameters including elution profiles, column temperature were investigated in order to optimize separation conditions of different fatty acid phenacyl ester derivatives. A gradient elution using methanol/acetonitrile (90:10, V/V)-water as mobile phase at 0.35 mL/min, detection wavelength at 246 nm, and column temperature of 35℃ were chosen.

经优化确定以(90：10)-水为流动相梯度洗脱，在检测波长246 nm，柱温35℃，流速0.35 mL/min的色谱条件下，18 min内能完成对13种脂肪酸衍生物的分离检测。

Horseradish peroxidase has a strong catalytic effect on the H2O2 oxidation of o -phenylenediamine to 2,3-diaminophenazine, that caused significantly decreasing of the Rayleigh scattering intensity at 420, 445 and 484 nm.

辣根过氧化酶催化H2O2氧化邻苯二胺生成黄色的2，3-二氨基吩嗪产物，反应体系在420， 445和484 nm处的Rayleigh散射光信号显著减弱。

The effect of H2SO4, phosphomolybdic acid, antimony potassium tartrate and nanogold in size of 15, 30 and 50 nm on the decreased RS intensity I was studied respectively.

在硫酸介质中，纳米金在774 nm处产生一个较强的共振散射峰；磷钼酸与酒石酸锑钾形成的三元杂多酸可被抗坏血酸还原形成锑磷钼蓝，导致774nm处共振散射峰的强度降低。

Results The encapsulation efficiency of obtained podophyllotoxin solid lipid nanoparticles were 95.28% on average,with RSD was 2.53%(n=5) and diameter between 50～200 nm.

结果 制得的鬼臼毒素固体脂质纳米粒包封率平均为95.28%，RSD为2.53%(n=5)，粒径在50～200 nm之间。

objective:to make a comparative analysis of the total saponins content in polygalaceae phloem and xylem parts to guide clinical treatment.methods:we determined the polygalaceae total saponins content at the 575 nm with oleanolic acid as a reference substance and vanillin-perchoric acid as a developer by using uv-visible spectrophotometry.results:the total saponins content of xylem parts was 3.33%,and that of polygalaceae phloem was 0.69%.conclusion:the total saponins content in polygalaceae xylem parts is much more than that of phloem parts,the total saponins in polygalaceae mainly exists in xylem parts.

目的：对远志原药材木部及皮部中总皂苷含量进行比较分析，用以指导临床用药。方法：以齐墩果酸为对照品，香草醛－高氯酸为显色剂，采用紫外－可见分光光度法在575 nm处测定远志总皂苷含量。结果：以此方法对远志木部及皮部中总皂苷含量进行比较、分析，为远志皮部总皂苷含量为3.33 %、木部总皂苷含量为0.69 %。结论：远志中皮部总皂苷含量远远大于木部，远志总皂苷主要存在于根皮中。

The in vitro release of the resultant products was studied by evaluating the marker of protocatechualdehyde at 312 nm using high efficiency liquid chromatography.

以原儿茶醛为检测标志物，高效液相色谱法测定312 nm处物质浓度，以了解体外释放情况。

Salt 8 exhibits an ICT absorption band at lmax572 nm in ethanol, which does not correspond to any of the TTF or pyridinium moieties, and obeys the Beer–Lambert law.

盐 8展品的信息和通信技术的吸收带在572 nm的lmax 乙醇，这不符合任何信托基金或吡啶基，并服从啤酒兰伯特法。

The peak responsivity of the device is about 0.07 A/W at 308 nm, and the rise time and the fall time is about 10 and 190 ns, respectively.

器件的最高峰值出现在308 nm，大小为0.07 A/W，器件的上升时间为10 ns，下降时间为190 ns。

Objective: To explore the effects of low-intensity laser rhinal irradiation(650 nm/5 mW) on dyslipidemia.

目的：观察低强度激光(650 nm/5 mW)鼻腔照射疗法对血脂异常的作用。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。