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Suitable water-immiscible organic solvents include aromatic hydrocarbons, eg toluene, xylene, naphthalene, tetrahydronaphthalene and methyl naphthalene; chlorinated aromatic hydrocarbons, eg chlorobenzene, fluorobenzene, chloronaphthalene and bromonaphthalene; esters, eg butyl acetate, ethyl acetate, methyl benzoate, ethyl benzoate, benzyl benzoate, butyl benzoate, phenylethyl acetate, butyl lactate, benzyl lactate, diethyleneglycol dipropionate, dimethyl phthalate, diethyl phthalate, dibutyl phthalate, di(2-ethylhexyl) phthalate; alcohols having six or more carbon atoms, eg hexanol, octanol, benzyl alcohol, phenyl ethanol, phenoxy ethanol, phenoxy propanol and phenoxy butanol; ethers having at least 5 carbon atoms, preferably C 5-14 ethers, eg anisole and phenetol; nitrocellulose, cellulose ether, cellulose acetate; low odour petroleum distillates; turpentine; white spirits; naphtha; isopropylbiphenyl; terpene; vegetable oil; mineral oil; essential oil; and natural oil; and mixtures of any two or more thereof.

适用于水互溶的有机溶剂包括芳香族碳氢化合物,如甲苯,二甲苯,萘,四氢萘和甲基萘;氯代芳香族碳氢化合物,如氯苯,氟,氯萘和萘;酯类,如醋酸丁酯,醋酸乙酯,苯甲酸甲酯,苯甲酸乙酯,苄酯,苯甲酸正丁酯,苯,醋酸丁酯乳酸,乳酸苄,二甘醇二丙酸酯,邻苯二甲酸二甲酯,邻苯二甲酸二乙酯,邻苯二甲酸二丁酯,二(2乙基己基)酯;醇有6个或更多碳原子,如己醇,辛醇,苯甲醇,苯乙醇,苯氧基乙醇,丙醇和苯氧基苯氧丁醇;醚至少有5个碳原子,最好荤5-14醚,如苯甲醚和phenetol;硝化棉,纤维素醚,醋酸纤维素,低气味石油蒸馏;松节油;白酒,石脑油isopropylbiphenyl;萜类,植物油,矿物油,挥发油;和天然油,以及任何两个或两个以上其混合物。

The usual plan is to put in the water first, then add the indigo and copperas, which should be dissolved first, and finally to add the milk of lime, stirring all the time. Artificial indigo has been made from coal-tar products. The raw material is a coal-tar naphtha called toluene or toluol, which is also the raw material for saccharin, a sweetening agent made from coal-tar.

通常先加水,然后添加靛蓝和已溶于水的绿矾,最后加石灰乳,不时的搅拌人造靛青是取自煤焦油的产品物,原料是所谓甲苯的煤石脑油,这也是糖精的原料,糖精是取自煤石脑油的一种甜剂。

Based on the analysis of the mutual action between CO2 fluids and sandstone, it is found that the higher content of dawsonite is the main cause for poorer reservoir properties, and the dawsonite is formed later than other authigenic minerals and no erosion occurres after the pores filling, which are the basic factors resulting in poor reservoir properties.

分析CO2流体与砂岩的相互作用发现,片钠铝石含量较高是储层物性变差的直接原因,而片钠铝石生长时间晚于其它自生矿物且在充填孔隙后没有发生溶蚀是储层物性变差的根本原因。

The phase assemblage, microstructure and elemental distribution were researched by X-ray diffractometer, scanning electron microscopy with energy dispersive spectrometer. The mechanism of solidification neodymium in assorted minerals of zirconolite and sphene was probed into.

利用X射线衍射、扫描电镜/能谱仪研究其矿相组成、微观结构和元素分布,探讨Nd在钙钦错石和捐石组合矿物固化体中的固溶机制。

The authors have summarized relevant data studied by overseas scientists and suggested the definition of chalky texture formation as "Chalky texture formation refers to that magnesium calcite and aragonite are transformed into the framework of micrite and microspar of low-magnesium calcite via neomorphism, and result in and maintain intercrystalline pore and throat networks in it; enhanced chalky texture formation refers to that the micrite and microspar are successively subjected to dissolution and leaching, so that the secondary network of solution voids is formed".

综合各国学者的有关研究资料,建议将白垩状结构化定义为:&碳酸盐沉积物和碳酸盐岩中的镁方解石和文石在不同成岩阶段通过新生变形而转变成低镁方解石微晶和微亮晶格架,并在其中产生和保存晶间孔喉网络的作用;强化白垩状结构化是指微晶和微亮晶格架受到进一步溶蚀和淋滤,从而形成次生溶蚀孔隙网络的作用&。

The saturated solid solution amount of MgO in C12A7 is below 1%,and the other MgO is precipitated in the form of periclase singly.

MgO在C12A7晶体中的饱和固溶量不超过1%,其余的MgO以方镁石形式单独析出。

The effect of 10% excess PbO addition on the phase transformation from pyrochlore to PbMg(subscript 1/3Nb(subscript 2/3)O3 was studied.

研究了10%过量的PbO对煅烧过程中烧绿石相向铁电相的转变作用,并在700℃锻烧5h条件下制备了不含烧绿石相的PbMg(下标 1/3Nb(下标 2/3)O3-CoFe2O4固溶体。

The iron oxides, if presence, accumulated themself mostly on the surfacelayer of slagged zone, formed an assemblage of reaction products and convertedinto two systems of ferro-spinels asA andF.

存在铁氧化物时,基本上吸附在渣蚀带表面,形成有两个尖晶石固溶体〔A和F〕系列的矿物共生组合,当不存在铁氧化物时,在渣蚀带生成纯MA。

Emphasis is placed on intrinsic f actors and natural environments like gender, size, molting cycle, feeding rate, circadian rhythm and season. Primary physicochemical changes such as temperature, pH, dissolved oxygen, salinity, and pollutants such as ammonia and copper sulfate are also addressed.

探讨的因子包括:落石出内因性因子-性别、大小、脱壳周期及摄食量,自然环境-日周期及季节,主要物理化学因子-水温、溶氧、pH及盐度,代谢产物如氨以及治疗剂如硫酸铜等。

Melting point 3410 ℃, boiling point 560 ℃, relative density of 1935, F the external electronic structure of 5d46s2, in the chemical reaction time is very easy to lose 1-6 electronic, but also can get 1-2 electronic, so oxidation number of 0,± 1,± 2, 3, 4 , 5 and 6, with 6 price of the most stable compounds, such as WO3 does not dissolve in water, the air will form in the tungsten trioxide thin protective layer of tungsten, tungsten with fluorine at room temperature, chemical combination, red hot when there is no moisture and Bromine iodide together, red hot when you can and water reaction WO3, at room temperature reaction of tungsten with aqua regia, but the hot concentrated hydrochloric acid and sulfuric acid can only be played with its weak response, but molten nitrate, nitrite, too Hydrogen peroxide, sulfur steam, steam and other phosphorus can play intense reaction, high temperature can not be carbon, boron and silicon reaction of binary compounds, widely used in industrial tungsten steel and tungsten carbide, pure tungsten filament is used to the system, and X-ray tube Tube heating components, semiconductor components can be prepared tungsten silicide, tungsten industrial production is white or black tungsten ore tungsten ore refining.

熔点3410℃,沸点560℃,相对密度1935,F外围电子结构为5d46s2,在化学反应时很容易丢掉1—6个电子,也能得到1—2个电子,所以氧化数为0、±1、±2、+3、+4、+5和+6,以+6价化合物最稳定,如WO3不溶于水,空气中的钨会形成薄层三氧化钨保护层,钨能与氟在室温下化合,红热并无潮气时能与溴、碘化合,红热时还能和水反应生成WO3,室温下钨可与王水反应,但热的浓盐酸和硫酸只能与其起微弱反应,但对熔融的硝酸盐、亚硝酸盐、过氧化氢、硫蒸汽、磷蒸汽等能起激烈反应,高温下不能与碳、硼和硅反应生成二元化合物,工业上广泛使用钨钢和碳化钨,纯钨用来制灯丝、电子管和X射线管的发热元件,硅化钨可制半导体元件,钨工业生产是将白钨矿石或黑钨矿石精炼。

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