色质

The main enzymolytic products from the reaction of VS on torpedo acetylcholinsterase were studied by means of GC-MS.

本文用气相色谱及气相色谱-质谱联用的方法，对VS与电鳐乙酰胆碱酯酶固相酶作用后其含硫、氮部份的主要酶解产物进行了分析鉴定。

METHODS: The authors measured MPOD with heterochromatic flicker photometry, serum lutein and serum zeaxanthin by high performance liquid chromatography, and central foveal retinal thickness by optical coherence tomography in 176 patients (age range, 18-68 years) with typical forms of retinitis pigmentosa; 37 (21%) of these patients had cystoid macular edema by OCT.

作者对176例（年龄范围18-68岁）典型视网膜色素变性患者进行以下测量：采用异色闪烁光度法测量黄斑色素光密度，高效液相色谱法测量血清脂色素和血清玉米黄质，和光学相干断层扫描法测量中心凹中央视网膜厚度；其中37例（21％）患者OCT检查有黄斑囊样水肿。

Results:17 rats were confirmed successful transplantation by MRI,the capacity of the tumor was 88.40±7.62mm3 on 8th day, 986.80±114.46mm3 on 16th day,the volume growth was 8-12 folds;on 8th day following transplantation,the tumor tissue was gray in color with fish homogen state without interior necrosis, the tumor cells were nest-distributed by HE staining,large dense staining of nucleus with manifest heteromorphism,tumor microvessel count increased by immunohistochemistry with buffy yellow staining, VEGF high expressed in the tumor cells with buffy yellow granule shape.

结果：17只大鼠经MRI检查证实均种植成功，肿瘤体积第8天为88.40±7.62mm3，第16天为986.80±114.46mm3，体积增长8-12倍之间；种植第8天，肿瘤组织呈灰白色、鱼肉均质状，内部未见坏死，HE染色肿瘤细胞呈巢状分布，胞核大浓染，异型性明显；免疫组织化学示肿瘤微血管数目较多，呈棕黄色染色，肿瘤细胞VEGF高表达，呈棕黄色细颗粒状。

Borneol and isoborneol, the effective constituent in Chinese Medicine Shuxinping are quantitatively analyzed by GC and GC-MS with hexahydrothymol as an internal standard.

用气相色谱法和气相色谱-质谱联用法对舒心平的有效成分龙脑及异龙脑的提取液进行测定 [1] 。

Chemical constituents of the essential oils of Melaleuca alternifolia were analysed and identified by GC MS DS technique.

采用毛细管气相色谱和色谱－质谱计算机联用系统，分析了互叶白千层精油的化学成分。

With the development of power network and enhancement of operating voltage, the method of Gas solved in oil meteorologic chromatogram analysis has been improved greatly, and strides an essential step, varying from conventional chromatogram analysis to present on-Line monitoring.

随着电网的发展和运行电压的提高，油中溶解气体气相色谱分析技术也不断改进，由常规的色谱分析方法到目前采用的在线监测，从根本上发生了质的飞跃。

The essential oil was extracted by the water streem distillation . And the components of the essential oil from Sonchus brachyotus were identified by GC-MS. Result: 36 components were identified and represented 89.49% of the peak of the essential oil.

采用水蒸气蒸馏法提取长裂苦苣菜挥发油，然后采用气相色谱-质谱联用仪分析和保留指数分析相结合的方法鉴定其挥发油的化学成分，结果：共鉴定出36种成分，所鉴定的组分占挥发油总离子流色谱峰面积的89.49%。

Mono dodecyl phosphate is synthesized using trichloro phosphate and di dodecyl phosphate is synthesized using phosphorous pentoxide. The structures are confirmed by IR and contents are analyzed by GC and HPLC. Mixed esters with different mass ratios of mono and di esters are prepared.

分别以三氯氧磷为磷酸化剂，合成并提纯了正十二烷基磷酸单酯，以五氧化二磷为磷酸化剂，合成并提纯正十二烷基磷酸双酯，其结构通过质谱得到了确证，产品组成采用气相色谱和高效液相色谱得到了确定。

Umbelliferae ; Radix Angelicae Pubescentis ; essential oil ; capillary chromatography ; GC-MS

伞形科；独活；挥发油；毛细管色谱；气相色谱-质谱

On-line coupled high performance liquid chromatography/gas chromatography ; heavy oil ; nitrogencontaining compounds ; anthracene oil ; coal tar

高效液相色谱－气相色谱法在线联用；重质石油；含氮化合物；蒽油；煤焦油

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐