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A graphic character that, when appearing alone or combined with others, is primarily used to represent a sound element of a spoken language, but excluding diacritical marks used alone and punctuation marks.
一种图形字符，当单独出现或与其它组合时，主要用来表示口语语言的一个发声元素，但不包括单独使用的变音符号和标点符号。未与其他元素化合的；游离的
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Its subject coverage includes: combustion synthesis of ceramic, metal, intermetallic, and composite properties of products; and history and recent developments.
它的主题涉及的范围包括：燃烧合成的陶瓷、金属、金属间化合的与复合材料的产品特性；历史与最新发展。
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Group in the periodic table there are silver-white metallic luster of the solid metal transition element, atomic number Z = 26, atomic weight of 55847, chemical symbol Fe, there is a stable F isotope 5626Fe and a radioisotope 5526Fe, content of 5% of the earth's crust, accounting for elements of in the fourth place, the metal in the second melting point 1535 ℃, boiling point 2750 ℃, the relative density of 786, the external electronic structure 3d64s2, chemical reactions 2-6 tram F-volatile son, oxidation number of 0, 2, 3, 4 , 5 and 6, the chemical nature of the metal element is very lively, in the humid air combined with oxidation, but also directly with the sulfur, phosphorus, silicon, carbon together.
周期表中Ⅷ族有银白色金属光泽的固体金属过渡元素，原子序数Z＝26，原子量55847，化学符号Fe，有一种稳定F同位素5626Fe和一种放射性同位素5526Fe，地壳中含量5％，占元素中第四位、金属中第二位熔点1535℃，沸点2750℃，相对密度786，外围电子结构3d64s2，化学反应时易丢失2—6个电F子，氧化数为0、＋2、＋3、＋4、＋5和＋6、化学性质很活泼的金属元素，在潮湿空气中能与氧化合，也能直接与硫、磷、硅、碳化合。
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The product offers a perfect solution for the problem of color durableness of mineral coating and makes mineral coating really coexist with nature, really a revolution of coating industry.
改性后的硅酸钾不但具有更为良好的化合性，同时与各种氧化无机色素能良好相容，彻底解决了矿物涂料的色泽问题，使得矿物涂料真正与自然共存，成为涂装行业的一次革命。
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We found that under acid condition, selenite radical combined with active hydroxide radical and amino-group of chitooligosaccharides to form chitooligosaccharides - Se compound molecule, the remaining group complex interacted with the negative sodium tripolyphosphate via electrostatical interactation to form nanoparticles with the size about 100nm.
通过透射电镜、粒径分析仪等方法表征，发现壳寡糖-硒纳米颗粒平均粒径为100nm左右，在酸性条件下，亚硒酸根与壳寡糖单元上活性羟基和氨基化合，形成壳寡糖-硒复合分子，剩余的基团与带负电的多聚磷酸钠复凝聚，在4℃下能够稳定保存，25℃以上壳寡糖溶胀而致纳米颗粒发生分解。
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Benzyl phenylacetate was synthesized by benzyl chloride with the salt prepared by phenylacetic acid and Na2CO3 under microwave irradiation and in presence of phase transfer catalyst without any organic solvent and inorganic carrier.
采用微波辐射相转移催化技术，以四丁基溴化铵为相转移催化剂，先将苯乙酸与碳酸钠成盐，在无有机溶剂和无机载体的条件下与氯化苄直接酯化合成苯乙酸苄酯。
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This paper reports the experimental equipment and technology parameter for the synthesis of diisopropylbenzene and triisopropylbenzene by catalytic alkylation between benzene and propene, the conversion of benzene is more than 98%,the selectivity of diisopropylbenzene and triisopropylbenzene is more than 40% and 36% respectively.
报道了苯与丙烯催化烷基化合成二异丙苯和三异丙苯的实验装置与工艺条件，苯的转化率达98%以上，二异丙苯的选择性≥40%，三异丙苯的选择性≥36%，经分离后可获得纯度≥95%的二异丙苯和三异丙苯产品，所提供的合成工艺基本上无污染，在国内外具有先进的技术。
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All of the tripodal schiff base ligands and their complexes were characterized.
以三乙醇胺、巯基苯胺、巯基乙胺为初始原料，设计合成了六个三脚架结构的化合物，其合成路线如下：三乙醇胺与氯化亚砜反应得到三(2-氯乙基)胺(1)，然后与巯基苯胺或巯基乙胺在碱性条件下反应生成三脚架结构的三{[2-(2-氨基苯基)硫代]乙基}胺(2)或三{[2-(2-氨基乙基)硫代]乙基}胺(3)，然后再与水杨醛、2-甲酰基-8-羟基喹啉(8)、2-甲酰基-8-苄氧基喹啉(7)反应得到六种新型的含硫西佛碱化合
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B. Tertiary alcohols will react with sodium metal but not with oxidising agents.
叔醇会与金属钠化合，但不语氧化剂化合。
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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。
- 更多网络解释与与...化合相关的网络解释 [注：此内容来源于网络，仅供参考]
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bromate：使与溴化合
bromal 三溴乙醇 | bromate 使与溴化合 | bromic acid 溴酸
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carburet：使与碳化合
carbuncular 有酒刺的 | carburet 使与碳化合 | carburetion 碳化
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carburet：使与碳化合, 增碳
carburation /使碳化/混以汽油/ | carburet /使与碳化合/增碳/ | carburetant /碳化剂/增碳剂/
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hydrate：氢氧化物 <单词词性>与水化合
rigid support 刚强支柱 | hydrate 氢氧化物 与水化合 | identity 同一性, 身份, 一致, 特性, 恒等式
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hydrogenate：使与氢化合
hydrogen 氢 | hydrogenate 使与氢化合 | hydrogenation 加氢
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fluorinate：使与氟素化合, 在(饮水)加少量之氟
to schedule 按照预定时间 | fluorinate 使与氟素化合, 在(饮水)加少量之氟 | on all accounts 无论如何, 总之
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fluorinate：使与氟素化合
fluorin 氟 | fluorinate 使与氟素化合 | fluorination 氟化作用
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hydrogenize：使与氢化合
hydrogenium 金属氢 | hydrogenize 使与氢化合 | hydrogenolysis 氢解作用
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nitrify：使与氮化合
nitrifier 硝化细菌 | nitrify 使与氮化合 | nitrify 用氮饱和
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phosphorize：与磷化合
"鸟粪质磷灰岩","phosphorite; guano-" | "与磷化合","phosphorize" | "去氧磷铜矿","phosphorized copper"