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The callus of Maytenus hookeri Loes was induced from the stem tips and tender leaves,and its chemical constituents were studied as well.

以云南美登木的茎尖、嫩叶和叶柄为材料建立了其愈伤组织培养系统，并对愈伤组织的化学成分进行了初步研究。

And so I have a directresponsibility to my constituents to make their livesbetter. That's why they put mein there.

我最直接的责任是让我们美国的人民生活得更好，这才是他们选举我到这个职位的目的。

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。

Objective To study the constituents in Melastoma dodecandrum.

目的对地稔的化学成分进行研究。

The constituents of the essential oil of peppermint（Mentha piperita L.）from Ganquan/Linyou/Xinyi/Qianyang/ Kuyu /Shibianyu and Fengshan and so on different elevation areas in Shaanxi were analyzed by GC-MS,38 kinds of compounds were respectively identified and quantified, which accounted for 96% of the total peak area respectly.

本文以美国样品为对照，用GC-MS法分析了陕西甘泉、麟游、旬邑、千阳及长安库峪、石砭峪、冯三等不同海拔高度地区椒样薄荷精油的组成成分及相对含量，分别鉴定出38种化学成分，其含量分别占组分总量的96%以上。

Utilizing the IMP system of temperature measure, common technique of tissue section, analytical method of nutritious constituents, and taking salt-solubility and Ca 2+-ATPase activity as the index of protein denaturation, a comparative study was conducted to determine the effect of freezing on tissue structure of Meretrix linnaeus and Paphia undulata.

利用IMP热电偶测温系统及组织切片技术、食品化学特性的常用分析方法以及测定表征蛋白质变性的盐溶性蛋白溶解度和Ca2+ATPase活性，对文蛤和波纹巴非蛤在冷冻后的组织结构、食品化学特性、蛋白质变性的影响进行了比较研究。

The aim of the research was to seek for chemical constituents, antibacterial activities and antitumor activities of volatile oil extracted from the leaves of Michelia maudiae Dunn.

［目的］研究深山含笑叶挥发油的化学成分，进行体外抑菌是固体试验和抗肿瘤试验研究。

Microscopically recognizable constituents of coal that can be differentiated by their morphology.

在显微境下可识别的煤的组分，其形态各异。

ABSTRACT The content of constituents in YongAn middlings and Zhongliang shan middlings has been calculated in light of the results of ultimate analysis and X-ray diffraction, and the structure of middlings has been studied by means of polarizing microscope.

本文以高灰低硫的永安中煤（Ad=51.11%，St=0.35%）和低灰高硫的中梁山中煤（Ad=32.29%，St=3.02%）为研究对象，首先利用中煤灰成分化学元素分析和X射线粉末晶体衍射的矿物成分分析结果，通过计算求出了中煤中各组成成分的含量，并借助偏光显微镜对中煤矿物质的赋存状态进行了研究。

Objective To investigate the chemical constituents from the seeds of Mirabilis jalapa.

利用各种色谱技术进行分离和纯化，通过理化方法及NMR、IR和MS 等方法解析其化学结构。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。