主要成分

The results showed:(1) Through glycosylated orthogonal test, When the substrate concentration is 1:2, glycosylated temperature is 60℃, the enzyme dosage is 0.5%and glycosylated time is 6 hours, glycosylating was at best, and the sugar concentration was 33%(2) through fermentation orthogonal test, when adding the yeast is 2.0%, proportion of Rhodiola and glutinous rice is 1:1, the temperature is 28℃, and fermentation time is seven days, alcoholicity of the wine was the highest and sensory evaluation was the best..

本文立足加工高品质的红景天糯米保健酒，主要对糖化条件，发酵工艺参数的确定，后发酵温度的确定，稳定性试验，膜过滤试验条件，营养成分分析等方面进行系统的研究，结果表明：(1)通过糖化正交试验，在底物浓度1∶2、糖化温度60℃、酶用量0.5％、糖化6h时糖化效果最好，糖液浓度33％；(2)通过发酵正交试验，在酵母添加量2.0％、红景天糯米比1∶1、发酵温度28℃、发酵时间7天生成的酒度最高，感官评价最好；(3)通过后发酵试验，选择10～15℃温度下后发酵，酒体澄清，感官评价最好；(4)从对红景天糯米酒稳定性分析中得知：酒体在低于-6℃时略有絮状物出现，酒体混浊沉淀的主要原因可能是蛋白质。

Putting forward the mixed mineral bulk model with Pe、density logging well firmly mineral composition, combined the log response equations simpled the complexity of ground rock components, give prominence to the main body reservoir parameters.

提出建立以有效光电吸收截面指数Pe、密度为矿物成分定位作用的混合矿物体积模型测井响应方程组，简化了复杂岩性成分，突出主要整体储层参数，动态适应能力强。

Objective:To explore the active constituents in different parts from the root,stem and leaf of Zantedeshia aethiopica by pre-experiment .

目的通过预试验，研究马蹄莲根、茎、叶三个部位可能的化学成分，以寻找有效成分的主要存在部位。

Main product brands are GH series, Inconel, Incoloy, Hastelloy, Nimonic can be customized according to user chemical composition and physical properties of iron, nickel, cobalt as the basic ingredient, in exceptional long-term work under the stress of special alloy material

主要产品牌号有GH系列，Inconel ，Incoloy ， Hastelloy ，Nimonic 并可根据用户要求定制化学成分和物理性能，以铁、镍、钴为基本成分，在特殊应力作用下长期工作的特殊合金材料。

The argument centres largely on whether consumption of usually vile-tasting concoctions of such exotic-sounding ingredients as powdered deer horn, simmered seahorse and boiled bat droppings, along with countless dried plants, offer an effective cure for ailments ranging from the common cold to rheumatism, gastritis and migraines.

争论的焦点主要是外来探测成分，如鹿角的恶劣的味觉成分。即将沸腾的海马和煮熟的蝙蝠和无数的干植物一起流出，提供对从普通感冒到风湿，胃炎和偏头痛的有效地的治疗。

Correlation and stepwise multiple regression between main chemical compositions of tobacco leaves and climate factors in different stages during the growing season in different tobacco-growing areas were performed under the same cultivation conditions.

主要化学成分和大田生长期不同时段的气候因素进行多元相关及逐步回归分析，初步获得了两烟区烤烟化学成分的主导气候影响因子。

Correlation and stepwise multiple regression between main chemical compositions of tobacco leaves and climate factors in different stages during the growing season in different tobacco-growing areas were performed under the same cultivation conditions.

根据纬度差异和地理方位，将我国主产烟区的7省12县分为南北两大烟区，采用统一栽培模式，对两区烤烟（Nicotiana tabacum L，）主要化学成分和大田生长期不同时段的气候因素进行多元相关及逐步回归分析，初步获得了两烟区烤烟化学成分的主导气候影响因子。

Silver grass is weakly acidic, pH value is between 5.53 and 6.49, alkali buffer capacity is between 0.89ml and 3.31ml and acid buffer capacity is between 11.52ml and 17.38ml; To the wet ability of silver grass, the under-parts of stem are better than upsides, the inner surface of stem is better than surface, the wet ability of leaf is between surface and inner surface; compare with wood and wheat straw, the wet ability of silver grass is worse than that of wood but better than that of wheat straw.

荻草的化学成分主要是由纤维素、半纤维素、和木质素以及抽提物组成，在不同部位，各个化学成分的含量也不相同；荻草呈弱酸性，pH值在5.53～6.49之间，荻草的碱缓冲容量在0.89ml～3.31ml之间，酸缓冲容量在11.52ml～17.38ml之间；荻草茎秆下部的润湿性好于上部，荻草茎秆内表面的润湿性要好于外表面，荻草叶子的润湿性介于内外表面之间，与木材相比，荻草的润湿性不如木材，但要好于麦草；荻草茎秆下部的纵向抗拉强度要高于其上部，热处理15分钟后，茎秆下部的强度有所下降，茎秆上部有所提高，并没有表现出水热处理后荻草单元强度突然骤降的结果

HPLC/MS/ MS was used to analyse the nucleosides in Cordyceps sinensis .and its counterfeits and adulterations. Compared the samples with the standard samples,the result showed that the main fragment chromatogram were similar.The four nucleosides in Cordyceps sinensis .and its counterfeits and adulterations were identified by MS/ MS.The totle content of uridine、hypoxanthosine、guanosine、adenosine in Cordyceps sinensis .was from 2.473 mg/g to2.830 mg/g ,the content of adenosine was from 0.850 mg/g to1.009 mg/g .

应用HPLC-MS对冬虫夏草及其混淆品与伪品中的四个核苷成分进行二级质谱定性分析，并与对照品进行比较，结果显示，冬虫夏草及其混淆品与伪品均能产生与相应对照品一致的主要碎片离子峰，进一步说明，冬虫夏草及其混淆品与伪品中均含有尿苷、肌苷、鸟苷及腺苷四种核苷成分。

The nutrients and the blood glucose lowering effect of the two different types of pumpkins were also compared, which indicated that the main nutrient difference type of the two kinds of pumpkin is the content of sugar, and the low-sugar type pumpkin had the better hypoglycaemic effect.

通过对两种不同品种的南瓜果实营养成分的含量及降血糖效果的比较可知，实验采用的两种南瓜营养成分的差异主要是糖含量不同，低糖型南瓜提取的PCE-C的降血糖效果强于高糖型南瓜。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。