大头菜是卷心菜和西兰花的近亲，是一种类似于芜菁的根类蔬菜，有淡绿色或紫色和白色的条纹。
A cousin of cabbage and broccoli, kohlrabi is a turnip-like root vegetable that is either light green or purple and white striped.
此外，不像Chromatium okenii等一类紫色浮游细菌，其细胞具有高度游动性Schlegeland Pfennig 1961；van Gemerden andMas 1995Fryx1只是弱能动性。
Moreover, unlike planktonic purple bacteria such as Chromatium okenii, whose cells are highly motile (Schlegel and Pfennig 1961; van Gemerden and Mas 1995), strain Fryx1 is only weakly motile.
紫色类土壤提供给烟株吸收利用的磷钾养分较多，而氮养分较少。
Purple soil supplied the plants with more phosphorus and potassium nutrition and less nitrogen nutrition.
对信阳浉河河口污泥中紫色非硫细菌的类群和数量分布进行了初步研究。
The primary researches on the amount distributions and groups of purple non-sulfur bacteria in estuary sludge of Xinyang Shihe river were carried out.
根据土壤退化的某些微形态诊断特征，将紫色土退化问题归纳为土壤物理性退化、土壤构造性退化和土壤营养性退化等类；
The degradation of purple soils is able to classified into physical, constitutional and ndtriental degradation according to some micro- morphological features.
如一些海蜇以许多含色素较高的幼体甲壳类为食时；在色彩上通常是粉红色到紫色。
For instance, some jellyfish, when feeding on a lot of larval crustaceans that are high in certain pigments, are usually pink to purple in color.
并着重推荐其中三类优秀的野生观赏植物：岩石植物、特色植物和蓝紫色系观花植物。
Among which three good types are emphatically recommended: rock plants, characteristic plants and blue or purple flower-watching plants.
紫色甘薯色素是从紫色甘薯块根中浸提出来的一种天然食用花青素类色素。
Purple sweet potato colorant is a natural anthocyanin pigment derived from purple sweet potato storage roots.
化学软件模拟计算的结果从理论上证实了茶树紫色芽叶中儿茶素类成分的抗氧化能力强于花青素类组分，这与实验结果相一致。
The simulating computation results theoretically approved that the antioxidative ability of catechins were stronger than those of anthocyanidins, corresponding to the experimental results.
根据其抑菌蛋白的性质，初步判断紫色非硫光合细菌在对数期产生的拮抗物质为细菌素，可归为小分子热稳定肽类。
According to their characteristics, the antagonistic substances produced by PNB in exponential phase were bacteriocin and they had been classified into small heat-stable peptide (SHSP).
根据其抑菌蛋白的性质，初步判断紫色非硫光合细菌在对数期产生的拮抗物质为细菌素，可归为小分子热稳定肽类。
According to their characteristics, the antagonistic substances produced by PNB in exponential phase were bacteriocin and they had been classified into small heat-stable peptide (SHSP).
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