澳洲詹姆斯库克大学Essay代写:光谱学简介

物质的红外吸收光谱有时被称为分子指纹。 尽管经常用于识别材料,但红外光谱也可用于量化吸收分子的数量。 吸收光谱,荧光光谱,拉曼光谱和表面增强拉曼光谱通常使用激光作为能源。 激光光谱学提供有关相干光与物质相互作用的信息。 激光光谱通常具有高分辨率和灵敏度。 质谱仪源产生离子。 关于样品的信息可以通过分析离子在与样品相互作用时的分散来获得,通常使用质荷比。 在这种类型的光谱学中,记录的每个光学波长用包含原始波长信息的音频编码。 然后波长分析仪可以重建原始光谱。 澳洲詹姆斯库克大学Essay代写:光谱学简介 The infrared absorption spectrum of a substance is sometimes called its molecular fingerprint. Although frequently used to identify materials, infrared spectroscopy also may be used to quantify the number of absorbing molecules. Absorption spectroscopy, fluorescence spectroscopy, Raman spectroscopy, and surface-enhanced Raman spectroscopy commonly use laser light as an energy source. Laser spectroscopies provide information about the interaction of coherent light with matter. Laser spectroscopy generally has high resolution and sensitivity. A mass spectrometer source produces ions. Information about a sample may be obtained by analyzing the dispersion of ions when they interact with the sample, generally using the mass-to-charge ratio. In this type of spectroscopy, each optical wavelength that is recorded is encoded with an audio frequency containing the original wavelength information. A wavelength analyzer can then reconstruct the original spectrum....
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澳洲詹姆斯库克大学 Essay代写:关于真菌

真菌是真核生物,如植物和动物。与植物不同,它们不进行光合作用,它们的细胞壁中含有几丁质。像动物一样,真菌是异养生物,这意味着它们通过吸收它们来获得营养。虽然大多数人认为动物和真菌之间的区别在于真菌是不动的,但是一些真菌是运动的。真正的区别在于真菌在细胞壁中含有一种叫做β-葡聚糖的分子。虽然所有真菌都具有一些共同特征,但它们可以分组。然而,研究真菌的科学家(真菌学家)不同意最佳的分类结构。一个简单的外行人的分类是将它们分为蘑菇,酵母和霉菌。科学家们倾向于认识到真菌的七个subkingdoms或phyla。过去,真菌根据其生理,形状和颜色进行分类。现代系统依靠分子遗传学和繁殖策略对它们进行分组。请记住,以下门不是一成不变的。真菌学家甚至不同意物种的名称! 澳洲詹姆斯库克大学 Essay代写:詹姆斯库克大学 Fungi are eukaryotic organisms, like plants and animals. Unlike plants, they don't perform photosynthesis and they have chitin in their cell walls. Like animals, fungi are heterotrophs, which means they get their nutrients by absorbing them. Although most people think the difference between animals and fungi is that fungi are immobile, some fungi are motile. The real difference is that fungi contain a molecule called beta glucan in their cell walls. While all fungi share some common characteristics, they can be broken into groups. However, scientists who study fungi (mycologists) disagree on the best taxonomic structure. A simple layman's classification is to divide them into mushrooms, yeast, and molds. Scientists tend to recognize seven subkingdoms or phyla of fungi. In the past, fungi were classified according to their physiology, shape, and color. Modern systems rely on molecular genetics and reproductive strategies to group them. Keep in mind, the following phyla aren't set in stone. Mycologists even disagree about the...
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