查询词典 alga

Compound Ⅱ and Ⅳ were obtained from this alga for the first time.The others were isolated from the Dictyotaceae algae for the first time.

化合物Ⅱ和Ⅳ系首次从该海藻中发现；其余化合物均为首次从网地藻科海藻中分离得到。

The unicellular alga Chlamydomonas offers a simple life cycle,easy culture and isolation of series of mutants,established the techniques and tool kit for molecular genetics and genetics analysis.It is now becoming the model organism for studies on photosynthesis in plant,flagellar assembly and function,cell cycle and circadian rhythms,signal transduction,light perception and cell recognition.

单细胞衣藻由于其生活周期简单，培养方法简便，易于分离得到系列的突变体，并已建立了分子遗传学研究技术与遗传分析系统，成为植物光合作用、鞭毛组装与功能、细胞周期及节律、细胞信号传导与光感受、细胞识别等重要生物学过程研究的模式生物体。

Effects of solar ultraviolet radiation on the growth and photosynthesis of the economic brown alga Hizikia fusiformis were investigated while exposed to full spectrum solar radiation (280－700 nm), solar radiation depleted of UV-B (320－700 nm) and solar radiation deprived of total UVR (400－700 nm) in order to understand its responses to changes in solar UVR.

为探讨经济褐藻羊栖菜对阳光紫外辐射变化的响应，我们在全波段阳光辐射(280－700 nm)，去除UV-B辐射(320－700 nm)以及光合有效辐射PAR (400－700 nm)三种辐射条件下对其进行培养，测定了其光合作用与生长的变化。

The red alga Gelidium is used to make the gelatin-like product called agar .

红藻石花菜属被用来生产凝胶状的琼脂。

The major fatty acid of these two alga is hexadecanoic acid.

蜈蚣藻和带形蜈蚣藻主要的脂肪酸成分为棕榈酸。

The organic materials of source rock are mainly from terrigenous plants combined with abundant aquatic organisms input, which reflects the mixed-source of organics input of terrigenous plants and hydrophilous alga.

烃源岩有机母质均以陆生高等植物输入为主，也有水生生物的输入，反映原始母质具有水生生物和陆源高等植物混源的特征。

In their new work, the researchers established a genetic connection between male sexuality of an oogamous multicellular green algae species, Pleodorina starrii, and one of the mating types of its isogamous ancestor, the unicellular alga Clamydomonas reinhardtii.

在这项最新研究中，研究人员让一种异配生殖多细胞绿藻（Pleodorina starrii藻）与其同配生殖单细胞祖先（Clamydomonas reinhardtii藻）的其中一种配子类型进行雄性配子结合，从而建立两种藻类的遗传学联系。

There were piles of research papers on natural products of red alga Laurencia, in this paper, we first reported the secondary metabolites from Laurencia tristicha.

凹顶藻天然活性产物是藻类化学研究的一个热点，本文首次对三列凹项藻(L.tristicha)的次生代谢产物进行了分离研究。

Using culture medium selection, diluted separation, plate lineration, centrifugal separation, capillary separation, droplet separation, pH separation, temperature separation, inhibitor separation and so on, ten species were obtained. There were Cyanophyta Nostoc punctiforme, Phormidium tenue, an undetermined alga; Chrysophyta Chromulina ovalis; Chlorophyta Cholorella ellipsoidea, Scenedesmus bijuga, S. quadricauda, Elakatothrix sp., Selenastrum minutum and Bacillariophyta Navicula sp.

采用培养基筛选法、稀释分离法、平板划线分离法、离心分离法、毛细管分离法、小滴分离法、pH值分离法、温度分离法、抑制剂分离法等9种不同方法，最终分离纯化出4门9属10种藻类，其中包括蓝藻门念珠藻属的点形念珠藻、席藻属的小席藻和一未定种；金藻门单鞭金藻属的卵形单鞭金藻；绿藻门小球藻属的椭圆小球藻、栅藻属的双对栅藻和四尾栅藻、纺锤藻属的一种、月牙藻属的小形月牙藻和硅藻门的舟形藻属的一种。

The lipid peroxidation of S. maxima cultured in the presence of 4 to 100mg Se/L analysed showed that the contents of free radicals by EPR and malondialdehyde increased, of which the latter was the products of lipid peroxidation. These resulted in the decrease of the contents of liposoluble matter and percentage of polyunsaturated fatty acids, and the increase of percentage of saturated fatty acids. Using dimethyl sulfoxide , which was oxidized by OH·to form the stable and nonradical compound, methane sulfinic acid , as a molecular probe, we found that the contents of MSA from S. maxima growing in the presence of selenium were higher than those without selenium added, i. e. selenium in vivo was able to scavenge OH. in this alga.

对4～100mg Se/L范围内培养的S.maxima进行脂质过氧化的分析结果表明，加硒条件下藻细胞EPR自由基的含量与脂质过氧化产物的含量增加，造成细胞脂溶性物质含量和不饱和脂肪酸百分含量下降，以及饱和脂肪酸的百分含量相对上升；使用DMSO作分子探针，用它与OH·的反应产物MSA来表示藻细胞OH·含量，发现加硒条件下藻细胞MSA含量低于未加硒的，即硒在藻细胞内具有清除OH·作用。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。