谱

A gas chromatographic-mass spectrometric method for the simultaneous determination of environmental estrogens (including 4-nonylphenol, bisphenol A,diethylstilbestrol and 17α-ethinylestradiol) and endogenous estrogens (including 17α-estradiol, 17β-estradiol, estriol and estrone) in urine and bed mud is reported.

报道了尿及河底泥中环境雌激素(壬基酚、双酚A、己烯雌酚、17α-乙炔基雌二醇)和内源性雌激素(17α-雌二醇、17β-雌二醇、雌三醇、雌酮)的气相色谱-质谱测定法。

The experimental ionized energy data of the ethane and ethylene were analyzed, and the results were researched.

论文分析了乙烷和乙烯分子的电离能谱实验数据，解谱得到价轨道的电离能和电子动量谱。

Methods:A YWG-C18 column was used.The mobile phase consist ed of acetonitrile containing 0.2% methanol-water solution containing 0.1% tri ethylamine and 0.1% phosphoric acid(3∶97)and the detection wavelength was 220 nm.

采用高效液相色谱法，色谱柱为YWG-C18柱，流动相为0.2%甲醇的乙腈溶液-含0.1%三乙胺、0.1%磷酸的水溶液(3∶97)，检测波长为220 nm。

Three species of typical fresh algae, Chlamydomonas reinhardtii, Euglena gracilis, Synechococcus leopoliensis, were chosed as the experiment material in order to investigate their biodegradable abilities to triazophos.

使用液液萃取——气相色谱检测的方法测定培养基中三唑磷的浓度，回收率在84.2%～97.4%之间，相对标准偏差为0.24%～2.48%；藻培养液离心后取上清液用液相色谱检测培养基中三唑磷的浓度，回收率为99.0%～99.7%，相对标准偏差为0.6%～1.0%。

METHODS Using a combination of cryoglobulin precipitation,euglobulin precipitation, ion-exchange chromatography,(NH4)2SO4 precipitation and affinity chromatography, the impurity protein of different quality was removed, and the easy and effective condition was selected toincrease the purity and content of C2 in the final product.

方法利用冷球蛋白沉淀、优球蛋白沉淀、离子交换色谱、硫酸铵沉淀和亲和色谱几种方法，将血清中不同性质的杂蛋白除去，选择相对简单且分离效果好的条件，提高终产物中目标蛋白C2的纯度和含量。

Anthocyanidins in Euphorbia pulcherrima were extracted and identified by use of UV-vis spectrophotometry, high performance liquid chromatography and mass spectrometry.

用紫外-可见光分光光度计、高效液相色谱和质谱技术对一品红红色苞片中的花色素提取液进行了初步鉴定。

Effective charge-transfer excitation and the energy transfer from the host and Gd3+ to Eu3+ were observed.

激发谱包含三部分，即电荷转移带、Eu3+的4f内壳层电子跃迁和Gd3+的激发谱。

In each rabbit, one eye underwent extracapsular cataract extraction with IOL and the other eye was normal.

每5兔为一组，分别于术后1、3、7、 14、30d 取出虹膜和晶状体囊膜：用酶谱和反向酶谱分析法测定术后各组虹膜组织中的MMPs及其TIMPs蛋白质的表达，用RT－PCR 检测各标本中的 TIMPs mRNA的表达。

It is believed that the Faraday rotation is insignificant in the far wing of the line in the theoretical analysis.

理论上，在谱线的远线翼观测时，法拉第效应的影响远远小于在谱线线心观测时的影响。

The fast fourier transformation method with computer was used to increse the signal to noise ratio in high resolution gas chromatographic trace analysis .

将计算机快速富里叶变换应用于高分辨率气相色谱痕量分析中，以增加色谱峰的S/N比，提高分析精度。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。