碱盐对镁铝尖晶石砖的侵蚀主要表现为以气相或液相形式渗透到耐火材料内部气孔中并在冷端沉积,使砖体致密化。
The infiltration and deposition of alkali salts in the form of vapor or liquid will gradually result in a complete filling of the apparent pore and brick densification.
采用无盐发酵制备酱油,反相高效液相色谱(rhplc)法测定异黄酮含量,并对酱油中大豆异黄酮的提取分离方法进行了研究。
Soy sauce was prepared by fermentation without salt. The content of isoflavones in soybean, soy sauce mash and soy sauce was determined by RHPLC respectively.
在不同金属盐体系中,微量正辛醇的加入能明显降低金属离子的中相盐宽,但不会改变中相盐宽的排列顺序。
In the systems containing different metal salts, salinity width of the middle phase has been reduce obviously and the order of arrange has not been changed with addition of micron-octanol.
利用X射线衍射(XRD)和扫描电镜(sem)等手段,对高温熔盐热腐蚀后的组织形貌、元素分布及物相进行了分析。
The microstructure? Element distribution and phase after hot-corrosion were analysed by means of X-ray diffraction (XRD) and scanning electron microscope (SEM).
介绍了以钙盐和磷酸盐为原料经化学合成磷酸钙盐胶体的方法制成多孔两相磷酸钙盐陶瓷。
In this paper, the process of two phase porous calcium phosphate ceramics made of calcium phosphate colloid chemically synthesized from calcium salt and phosphate has been introduced.
由于有机盐无固相水溶液密度可调范围大、溶液粘度低、抑制性强等特点,得以作为油气井工作液的基液在钻井、完井、试油等作业中推广应用。
The solid-free organic salt solution is applied to based-phase for work fluids because of their adjustable density, low viscosity, and strong inhibition and so on.
报道了以活性炭为载体,以过渡金属无机盐为复合催化剂,在气相条件下四氯化碳与甲醇反应制备(一)氯甲烷的研究结果。
Experimental results were reported here regarding the gas phase conversion of CTC to methyl chloride by using transition metal salt composite catalyst embedded on active carbon.
对一种用于汽车和通讯行业的新型预磷化镀锌钢板的粉末喷涂前处理工艺进行了研究,通过晶相、膜质量及盐雾试验,对预磷化板的现有工艺进行了改进。
The effects of pretreatment for powder coating on the galvanized steel sheet were investigated through tests of cryslalography, film weight and salt spray test, and the existing process was improved.
纳米结构涂层经过盐腐蚀或高温腐蚀后纳米晶粒明显长大,并出现微小的晶格变化及相转变现象。
After salt and high temperature corrosion, the growth of Nanostructure crystalline size and phase transformation are observed.
液相侵入形成的水敏、盐敏、酸敏、碱敏是第二位潜在的伤害因素;
The invading liquid phase can also cause the sensitivity of water, brine, acid and alkaline, which is the second potential damage factor.
我们的研究和植物中盐胁迫蛋白wd 40相关,并为植物SRWD蛋白的进一步研究提供了基本信息。
Our study correlates WD40 proteins with salt stress in plants and provides fundamental information for the further investigation of plant SRWD proteins.
研究区具有强盐敏、强碱敏、强酸敏,中-强应力敏感性、强水相圈闭损害。
The results show that there are serious water phase trapping, serious alkali sensibility, serious acidulous sensibility, middle to serious stress sensibility in this area.
本文用沉积学方法探讨了该盆地渐新世早期常年盐湖沉积体系的沉积相特征、成盐方式、相带分布及控制因素。
Sedimentological methods have been applied to study the sedimentary facies and characteristics of the flourish stage of the development of the salt lake in this tectonic basin.
它可以是一种只包含一定颗粒范围的固相颗粒(盐的晶体和碳酸钙)和聚合物的盐水。
It may be a brine containing only selected solids of appropriate particle size ranges (salt crystals or calcium carbonate) and polymers.
本文从盐度对生物系统的影响、高盐系统生物相特征、系统处理性能几方面对生物处理高盐有机废水研究现状进行了概述,并指出所面临的问题。
In this paper, the effect of salinity on biological system, biological feature and treatment performance in the hypersaline system are reviewed. Meanwhile, difficulties faced are also pointed out.
建立了高效液相色谱(HPLC)测定水稻和稻田中氯硝柳胺乙醇胺盐残留量的分析方法。
A high performance liquid chromatographic (HPLC) method was established for the analysis of niclosamide ethanolamine residue in rice and paddy field.
碳酸盐岩烃源岩的形成是受层序体系域和沉积相控制,分布于下斜坡的高位体系域或与膏盐岩伴生。
The carbonate source rock is controlled by system tracts and facies. The carbonate source rock is mainly developed in high system tract in low ramp or is survived with gypsum-salt rock together.
四川盆地是中国白垩纪最具代表性的陆相沉积盆地之一,主要发育一套广布的红色碎屑岩沉积,且膏盐、沙漠相沉积发育。
The Sichuan Basin is one of the most representative basins in Cretaceous terrestrial basin, in which a suite of red clastic deposition, especially gypsum and desert facies had been widely deposited.
本文报道了二苯基烯丙基型鏻盐与取代芳醛在碳酸钾作用下的固一液相转移催化反应。
The phase transfer catalyzed Wittig reaction of allyl diphenyl phosphonium salt with substituted aromatic aldehydes using potassium carbonate as base provides 1, 3-dienes with good E-selectivity.
从氟代甲苯出发,以醋酸为溶剂,采用液相空气氧化法,在钴锰盐和1,1,2,2-四溴乙烷催化体系存在下,合成了氟代苯甲酸,采用升华方法进行精制。
Fluorobenzoic acids were prepared from fluorotoluenes through liquid phase air oxidation with acetic acid as solvent and Co~(2+)-Mn~(2+)-1, 1,2,2-tetrabromoethane as catalyst.
从氟代甲苯出发,以醋酸为溶剂,采用液相空气氧化法,在钴锰盐和1,1,2,2-四溴乙烷催化体系存在下,合成了氟代苯甲酸,采用升华方法进行精制。
Fluorobenzoic acids were prepared from fluorotoluenes through liquid phase air oxidation with acetic acid as solvent and Co~(2+)-Mn~(2+)-1, 1,2,2-tetrabromoethane as catalyst.
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