查询词典 polyalcohol

The and shale particles hydration is checked through altering their surface charge and compressing their diffused double layer with polyalcohol adsorbing.

多元醇吸附在泥页岩颗粒表面，改变其表面电荷，压缩扩散双电层，抑制泥页岩颗粒水化

Based on the strict requirements of safely and fleetly deep drilling and reservoir protection to drilling fluid in drilling engineering, the modified polyalcohol anti-sloughing agent was developed and then a new alcohol drilling fluid was gained through screening other additives and optimizing formulation.

基于钻井工程中安全快速钻进及油气层保护对钻井液的严格要求，开发出了改性多元醇防塌剂，在此基础上通过优选其他处理剂和配方优化研制出了一种新型醇类钻井液。

Polyalcohol ; cloud point ; adsorption ; drilling fluid property ; formation damage prevention ; Tuha Oilfield

聚合醇；浊点；吸附；钻井液性能；防止地层损害；吐哈油田

Diabetic retinopathy is one of the most serious microvessel complications of diabetes,it is a main cosmopolitan blindness disease. In recent years, with the molecular biology development, the recognition of the mechanism of DR is more profound and consummate. Most researchers consider that hyperglycaemia, polyalcohol inositol metabolism abnormality, changes of hemorrheology, oxidative stress, inflammation/immune system activation, cytokines/growth factors expression or activity change and so on result in DRs onest and development.

糖尿病性视网膜病变(diabetic retinopathy， DR)是糖尿病最严重的微血管并发症之一，也是一种世界性的主要致盲眼病，近年来随着分子生物学方面的研究进展，对DR发病机制的认识进一步深入和完善，认为高血糖、多元醇肌醇代谢异常、血液流变学改变、氧化应激、炎症/免疫系统活化、细胞因子/生长因子表达或活性改变等导致DR的发生发展。

The method adopts powders (10.0 parts of mass) of crop straws and phenols or polyalcohol compound (10 to 100 parts of mass) which is firstly pre-heated by 10 to 30 minutes under a temperature of 30 to 200 DEG C with the effect of acid catalyst (0.5 to 10 parts of mass) for a reaction of 30 to 240 minutes; after the reaction, the compound is washed, neutralized, filtered and dried to obtain a solid appearing as a color from citron yellow, yellow, bight brown to seal brown; wherein, the solid includes 64.0 to 70,0 percent of fibrin and 4.1 to 7.6 percent of lignin.

秸秆"液化"预处理制备生产燃料乙醇原料的方法，是用农作物秸秆的粉末(10.0质量份)和酚类或多元醇类化合物(10～100质量份)，在酸性催化剂(0.5～10质量份)存在下，在30～200℃温度下预热10～30min后，反应30～240min，反应完毕进行洗涤、中和、过滤和干燥而得呈淡黄色-黄色-浅褐色至深褐色固体，其中，纤维素含量64.0～70.0％，木质素含量4.1～7.6％。

Considering the properties of hydrate formation, the designing principle of drilling fluid was provided. Based on this, a new polyalcohol drilling fluid for oceanic hydrate formations was formulated. The performance of this drilling fluid was evaluated by shale hydration inhibiting test, low-temperature rheological property test, and gas hydrate formation inhibiting experiment.

针对海底天然气水合物地层及其钻井的特性，给出了钻进海底天然气水合物地层时钻井液体系的设计原则，根据此原则在充分考虑现有常用聚合醇钻井液体系特点的基础上，设计了一种适合海底天然气水合物地层钻井的新型聚合醇钻井液，并对其页岩水化抑制性、低温流变性和水合物生成抑制性进行了评价。

Genesis and development of DR is related to interaction among many etiological factors,including over expression of growth factor,hyperglycemia,hypertension,hemodynamic abnormality,end products of glycosylated protein,polyalcohol pathway,heredity and so on.

DR的发生和发展与生长因子过度表达、高血糖、高血压、血流动力学异常、糖基化蛋白终末产物、多元醇通路、遗传等诸多致病因素之间相互作用。

The waste PET scraps was degradated with low molecular mixed polyalcohol.

用小分子混合醇降解废聚酯碎片。

Road marking paints made from gum rosin,high molecular polymer,unsaturated dibasic acid and polyalcohol by condensation and esterification,then heat-stabilizer and light-stabilizer are added in.

道路标线涂料专用树脂是由松香、高分子聚合物、不饱和二元酸及多元醇经缩聚、酯化后加入热稳定剂、光稳定剂后制成的不规则半圆粒状或片状产品。

The anti-sloughing mechanisms of modified polyalcohol were studied deeply through experiments including rolling and dispersing recovery,zeta potential and particle size distribution measuring,adsorption and .

通过降解和阳离子化反应，研制出了抑制性好而增粘负效应较低的改性多元醇防塌剂SD-306；通过红外光谱分析了改性多元醇防塌剂的分子结构，证明阳离子化反应引入了正氮基团；通过滚动分散、电动电位测量、粒度分布测量、吸附以及压力传递等实验手段，探讨了改性多元醇防塌剂的作用机理。

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。