溶蚀
- corrosion
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[corrosion] 水流对岩石进行溶解和侵蚀
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在晚成岩期的A、B亚期阶段,方沸石的钠长石化和溶蚀对储层贡献较大。
In the A and B sub-stages of late diagenetic period , the albitization and corrosion of analcime contribute to reservoirs .
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对反应前后固相物的X射线衍射分析表明钙蒙脱石首先发生阳离子交换生成钠蒙脱石,进而发生溶蚀;
X ray diffraction analysis shows that , initially , the ion exchange of montmorillonite results in the transformation of Ca montmorillonite into Na montmorillonite and subsequently subjects to corrosion .
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Cr2O3含量不同的镁铬耐火材料在炉外精炼渣中的溶蚀
Dissolution kinetics of magnesite-chrome refractories with various cr_2o_3 contents in secondary steelmaking slag
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运用GIS和溶蚀试验数据估算中国岩溶区大气CO2的汇
Estimation of atmospheric co_2 sink of karst areas in China based on GIS and limestone tablet loss data
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随着富CO2热流体多次间歇性入侵导致了含铁碳酸盐矿物的反复多次溶解和沉淀、生物介壳大量溶蚀和长石铸模孔的形成以及绿泥石消失、高岭石增加等。
With the intermittent activity of hot fluid containing CC ^ , ferrous carbonate minerals dissolved and precipitate repeatedly many times .
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路南石林地区土壤空气中CO2浓度分布规律与土下溶蚀形态研究
The case study of subsoil solution features and soil co_2 concentration in stone forest region , lunan , yunnan , China
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杨楼油田核三段储层成岩阶段为早成岩阶段B亚期,成岩作用主要有机械压实作用、胶结作用、溶蚀作用三种,成岩作用阶段也是储层孔隙演化的过程。
Reservoirs in member H3 of Yanglou Oilfield is at the early diagenetic stage B subage period , the diagenesis of which can be divided into mechanical compaction , cementation and denudation .
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然后使用有机溶剂将PMMA芯轴及PMMA保护膜溶蚀后可制得空腔铜靶成品。
Finished hohlraum Cu target was obtained by dissolving the core axis and protective film made of PMMA .
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文中给出了该区P波反射法探测基岩界面、溶洞、断层和溶蚀带分布的应用实例。
A case history of the application of the P-wave reflection method in that area to investigate the bedding plane of bedrock , karst cave , fault and the distribution of the dissolution belt is given .
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试验表明用Zn作中间夹层虽可与母材铝形成低熔点共晶液相,但由于对铝的强烈溶蚀作用,无法形成钎焊接头;
It has been proved that using Zn as sandwich metal can form eutectic liquid phase with but will have severe corroding effect on base metal Al .
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与此同时,由于强碱的使用,出现了高PH值下多价离子的沉淀、岩石矿物的溶蚀等现象,各个试验区都出现了不同程度的结垢现象。
At the same time , phenomenon of sediment of ions in high PH and dissolving capacity of rock are also appears , different level scale phenomenon is arisen in every experiment area .
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而且,在以叔丁醇为溶剂的反应体系里,TS-1存在溶蚀。
And TS-1 can be dissolved and eroded in the reaction system that using t-Butanol for solvent .
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结论黄藤素缓释片释药机理是扩散和骨架溶蚀协同作用,而非单纯Fick扩散。
CONCLUSION Palmatine tablet is non-Fick diffusion that drug diffusion and matrix corrosion are synergetic .
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其中主体酸为多元酸的混合物,在地层条件下可进行一级、二级电离(pka<6)。室内试验表明:RA缓速酸体系具有较强的溶蚀能力和缓速性能,其腐蚀性低;
The indoor testing shows that retarded acid RA has good retardation , lower corrosion to steel , and good corrasion ability .
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基于面溶蚀的MonteCarlo溶蚀模型,建立了具有多腔体的微型可降解高分子聚合物给药载体的释药模型,并对不同结构形式的药物缓释系统载体进行了释药过程仿真。
The drug release model for the delivery system was set up and the drug release from the delivery systems with different structures was simulated based on the Monte Carlo erosion model .
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目的研究聚氧乙烯(PEO)亲水凝胶骨架片的溶蚀行为。
Aim To study the erosion behaviour during dissolution of matrices using different molecular weight polyethylene oxide ( PEO ) as hydrophilic polymer .
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研究认为,硫酸盐岩溶蚀发育的条件不同于碳酸盐岩,即在水与硫酸盐岩体系内即使没有CO2的参与,水对硫酸盐岩仍具侵蚀性;
The results suggest that the condition of sulphate karst development is different from that of the carbonate karst , i. e. the water is corrosive in H2O-sulphate system even though there is no CO , in the system .
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以天然粉石英为基本原料,通过氢氟酸与盐酸混合酸溶蚀技术和机械强力搅拌处理,制备了高纯球形-准球形亚微米晶质SiO2材料。
High purity spherical-normal spherical submicron crystal silica is prepared by using technique of mixing acid corrosion ( anhydrofluoric acid and sulphuric acid ) and method of mechanical stir from raw powder quartz .
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研究表明,高倾角溶蚀裂缝在水平井中FMI资料上的表现为视倾角较低,真倾角高;
Study indicates that high dip dissolution fracture is presented with lower apparent dip and high true dip in FMI data .
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本文有助于从CO2动态变化的角度阐明碳酸盐岩溶蚀回收大气CO2的机理,将为岩溶动力系统和全球碳循环研究提供新的线索。
The results of this research will be conductive to clarifying the mechanism of carbonate rock dissolution and uptaking atmospheric CO2 in terms of CO2 dynamic change and provide a new clue for the karst dynamic system and world carbon cycle study .
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采用核磁共振、红外光谱、凝胶色谱等方法研究了聚[1,3-双(对羧基苯氧基)丙烷-癸二酸][P(CPP∶SA)]在降解溶蚀过程中的化学性质变化。
The chemical characterization of poly [ 1,3-bis ( p-carboxyphenoxy ) propane ∶ sebacic acid ] [ P ( CPP ∶ SA ) ] was investigated by ~ 1HNMR , IR and GPC during degradation .
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Q-1型石英胶结物自形程度好,其形成需要较高的孔隙空间,可能与溶解作用对砂岩的溶蚀改造有关。
The Q-1 type quartz cement has well euhedral which may related to the dissolution of sandstone .
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从混凝土钙溶蚀机理出发,利用Fick第二定理,结合液相钙浓度、混凝土空隙率、扩散系数三个模型,建立扩散和溶解方程。
Diffusing and dissolubility equations were derived from aqueous calcium distribution law , and formulations of concrete porosity and effective diffusion coefficient , based on Fick 's second law .
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震旦系以上地层大量暴露,地表水溶蚀下渗深度在黔西南地区可达3000~4000m;
The overlying strata on Sinian rocks are all exposed and surface water has leaked down and solved into 3000 ~ 4000m of depth in southwestern Guizhou .
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石灰岩中的溶蚀裂隙和小管道沿着F2断层发育。2.石灰岩含水体中存在着受库水影响较大的浅循环潜水流和深循环裂隙扩散流。
The fissures and small conduits in limestone are well developed along the fault F2 . 2.There are the phreatic flow which shallow cycles and fissured diffusion flow deeply cycling , both are effected more or less by the reservoir water existed in the water-bearing block of limestone .
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使用I2-NaI-H2O体系,对废电子元器件上的金镀层溶蚀,得出该体系溶蚀金的较好配比和反应条件,讨论该体系溶蚀金的原理并评价其应用范围和经济效益。
A method for recovery of gold from electronic scraps with I_2-NaI-H_2O system was investigated . The composition of the system and the optimum conditions were determined . The principle of the process , its applications as well as the economic benefit were also discussed .
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溶蚀作用发生在成岩作用的各个阶段,以早期大气淡水渗滤作用形成选择性溶蚀和深埋藏阶段含CO2和H2S流体对全岩的溶蚀作用为主。
Dissolution , which can occur in every diagenetic stage , is dominated by selective dissolution resulted from percolation of meteoric water in the early diagenetic stage and the whole rock dissolution resulted from CO2 and H2S fluids in the deep burial diagenetic stage .
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其中表层岩溶带位于潜山顶部,厚度小于50m,裂缝、溶蚀孔洞是最主要的储集空间,横向连通性较好,储集性能最好。
The superficial karst zone was on the top of buried hill , with the thickness less than 50m . The main storage spaces were fracture and dissolution cave , and had good connectedness in lateral and storage capability .
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借助FMI成像测井资料对该区溶蚀孔洞发育情况进行了精细的解剖,有效的确定了溶蚀孔洞的发育形态、大小、疏密程度及其纵向发育规律。
Using of FMI logging data , the paper accurately anatomizes the characteristics of a dissolved cave , and effectively makes sure the shape , size , density and longitudinal developed rule of a dissolved cave .
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2次生溶蚀相、白云岩化相、风化淋滤相、绿泥石薄膜胶结相和TSR相等建设性成岩作用是优质储层及大油气田分布的有利区;
The second is the constructive diagenesis are high quality reservoir and favorable distribution region of large oil-gas fields such as secondary corrosion facies , dolomite lithification facies , weathering leaching facies , chlorite thin film cementation facies and TSR facies ;