英语人>网络例句>钼 相关的搜索结果
网络例句

与 钼 相关的网络例句 [注:此内容来源于网络,仅供参考]

Phosphorus oxide 1-10 wt.%, and aluminum oxide. The molar ratio of tungsten oxide to molybdena oxide is 2.6-30. The method comprises introducing nickel oxide, molybdena oxide, tungsten oxide and phosphorus oxide into aluminum oxide carrier.

该催化剂由包括向氧化铝载体中引入磷、、镍和钨,其中,各组分的用量使催化剂焙烧后的组成为:氧化镍1-10重量%,氧化和氧化钨之和大于10至50重量%,氧化磷1-9重量%,余量为氧化铝,其中,以氧化物计,钨和的摩尔比大于2.6至30。

In order to recover Mo and Cu,the acidic from the production process of molybdic ammonium was disposed by DK macropous cation exchange resin,AH compex resin and general cation exchange resin,respectively.Other heavy metals in wastewater were deposited by adding ammonia liquor in the proess.

酸铵[分子式为(NH4)2Mo4O13·2H2O或(NH4)6Mo7O24·4H2O]是石油化学工业和高分子合成工业催化剂、陶瓷彩釉和颜料、特殊分析试剂和药物以及生产金属丝、片等的重要原料[1],工业上通常采用将精砂焙烧、硝酸浸洗、氨水浸出、净化和加酸沉淀等一系列工艺流程。

Study on the preparation of γ-alumina-supported molybdenum phosphide hydrofining catalysts;2. Silica-supported molybdenum phosphide s were prepared in a fixed bed reactor by an in situ reduction method from their oxidic precursors.

以SiO2为载体,用酸铵和磷酸氢二铵作源和磷源,采用共浸渍法制备了负载型磷化氧化态前体;在固定床反应器上,用H2原位还原制备了MoP/SiO2催化剂。

On the basis of ascertaining that phosphomolybdic acid modified platinum electrode has higher catalytic activity to methanol oxidation , three kinds of transition metal substituted phosphomolybdic acids were synthesized, and the IR spectrum indicated that the compounds still kept Keggin structure.

在证实了磷酸修饰铂电极对甲醇氧化具有较高活性的基础上,合成了3种过渡金属取代的磷酸,通过红外光谱测试仍为Keggin结构,并制备了过渡金属取代磷酸修饰铂电极,研究了修饰铂电极在硫酸溶液中的电化学行为及对甲醇的催化氧化作用。

In this paper,the Graphite Furnace Atomic Absorption Spectrometry was applied to the determination of molybdenum in lixiviated solution discharged from plants of producing Fe and Mo.

用石墨炉原子吸收光谱法测定铁厂固体废物浸出液中的,当选择合适实验条件的情况下,的测定灵敏度较高,校准曲线的相关系数大于0.999,精密度较好,方法的检出下限为0.6μg/L,定量测定范围2.4~60μg/L,测定结果令人满意

Research of minerals processing experiment suggested a flotation flowsheet,which consists of selective flotation of molybdenum sulfide using kerosene as collector,sodium-silicate as dispersant of slimes,then flotation of molybdenum oxide using modified sodium-silicate as depressant of gangue,Rt as collector.

研究表明,以水玻璃为矿泥分散剂、煤油为捕收剂浮选硫化矿,以改性水玻璃为脉石抑制剂、RT为氧化矿捕收剂优先浮选硫化矿再浮氧化矿,可从含Mo 0.34%原矿中,获得品位46.41%的硫化精矿,品位27.65%的氧化精矿;总回收率78.01%。

A process for partial conversion and low-temp transform of CO in the synthetic ammonia plant where coal is used to generate gas features that the Fe-Mo catalyst for partial conversion of CO, anti-poisoning agent and Co-Mo catalyst for low-temp conversion are used and the temp of semi-water gas is controlled to 200-260 deg.C at entering anti-poisoning layer, and 150-250 deg.C at the segments of said Co-Mo catalyst layer, and lower than 300 deg.C at bed layer to prevent high-temp reversal of sulfurizing reaction and make the catalyst activity optimal. Its advantages are long service life of catalyst, low system resistance, saving energy and convenient operation.

本发明是中小合成氨厂以一种CO部分转化抗毒保护层配低温变换的工艺,涉及煤造气合成氨厂0.6~2.0MPa半水煤气变换工艺流程,该工艺用铁-CO部分转化催化剂、抗毒剂,配钴-低变催化剂,半水煤气进入部分转化抗毒层温度为200~260℃,进钴-低变催化剂各段温度为150~250℃,床层温度控制在300℃以内,避免高温下反硫化反应发生,保护催化剂活性处最佳状态,寿命延长、系统阻力小、节汽、节电,具有比其他变换工艺更好地节能效果,操作方便,有效生产时间长,经济效益显著等特点。

The invention relates to a composite high-temperature electric heating element and relative producing method, which is formed by graphite, carbon silicon and molybdenum silicide.

本发明公开了一种复合高温电发热元件及其制作方法,它是由石墨、碳化硅和二硅化三种材料复合组成的电发热元件;在将石墨、碳化硅和二硅化三种材料复合组成电发热元件时,将石墨作为基础层,在石墨基础层上先覆盖上碳化硅层,然后再在碳化硅层上覆盖上二硅化层。

Our major products are tieanium equipments、stainlesssteel equipments、tungsten heating spot、heat body、linear cutting molybdenumwire deep processing and manufacture of all sorts of standards of titanium tungsten.

本公司建立以来,形成了钨、、钛材产业和设备加工优势,主要产品有:钛设备、不锈钢设备、钨加热子、加热体、线切割丝,各种规格钛、钨、深加工制造,并加工钽、铌、锆、铪、镍材的棒、丝、板、带、片、泊,产品畅销全国,并远销东南亚。

Wethers with permanent rumen fistula were used to determine concentration of plasma copper, activity of cuproenzyme, apparent digestibility of copper, and disappearance rates of DM and NDF of Chinese wildrye in sheep given different copper supplements to diets with low or high molybdenum. All sources provided 16 mg of added Cu/kg of DM. Molybdenum was added as sodium molybdate.

2利用安装有永久性瘤胃瘘管的杂交一代羯羊作为试验动物,采用单向分类设计,在不同水平下通过测定血浆铜浓度、含铜酶活性、铜表观消化率、羊草干物质及NDF消失率,比较不同饲料铜源对绵羊铜代谢和粗料消化能力的影响,铜的添加水平均为16mg·kg~(-1),的添加形式为酸钠。

第4/64页 首页 < 1 2 3 4 5 6 7 8 9 ... > 尾页
推荐网络例句

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。