A multi metal catalyst for hydrogenation of residue oil was prepared.
介绍了渣油加氢多金属催化剂的研制过程。
This area has the character of the porphyry copper multi metal metallogenic system of hypabyssal-super hypabyssal rock from deep source.
本区具深源浅成-超浅成斑岩铜多金属成矿系列特征。
An experimental study was completed on single metal ions precipitation flotation and multi metal ions coprecipitation flotation of Ni 2 + and Cu 2 +.
本文对镍离子和铜离子的单一离子沉淀浮选、混合离子沉淀浮选进行了试验研究。
It introduces the multi-objected optimization model of the metal milling process parameters and applies the goal attainment method to ask for the explanation for the model.
方法引入了金属铣削加工参数多目标优化模型,应用目标达到法对模型求解,又基于神经网络建立了金属铣削参数自动获取模型。
The sheet metal layered forming process is a multi-stage forming process, the paper introduce FEM simulation project of sheet metal layered forming process.
根据金属板材分层渐进成形为多工步成形的技术特点,提出了金属板材分层渐进成形的有限元模拟方案。
The bulk metal forming processes are calculated and analyzed by using a multi - step finite element method (FEM) based on deformation theory of plasticity.
运用一种基于全量理论的多步有限元方法计算分析了金属体积成形过程。
Jinchuan nickel mine is one of the world - famous large scale multi - metal associated copper - nickel sulfide deposits.
金川镍矿是世界著名的巨型多金属共生硫化铜镍矿床之一。
This company produces straight-handle twist drill, hard metal multi-aid straight-handle twist drill, metal hole digger , tungsten alloy saw blade, and building drill.
本公司主要生产直柄麻花钻头,硬质合金多用直柄麻花钻,金属开孔器,钨合金锯片以及建工钻的专业生产厂家。
Minimum removed metal is taken as object, single cutter and multi-cutter V-milling correction model was build Intelligent programming system of the two methods was developed.
以去除金属量最少为目标函数,建立了单排刀具和多排刀具的V型铣削去重模型。并开发了两种去重方式的智能规划系统。
Since the largest Ta'ergou tungsten deposit in northwest China and Shidonggou argentum multi- metal deposit were discovered, the Yeniutan granite in Subei county Gansu province is even more famous.
位于甘肃省肃北县的野牛滩岩体,因产有中国北方最大的塔儿沟钨矿以及新发现石硐沟银多金属矿而著名。
This article introduces one-step calculating method of multi-chemical reactions free enthalpy change and equilibrium constant and its application in metal smelting and other many chemical fields.
本文提出,多重化学反应自由焓变、平衡常数的一步计算法,可在金属冶炼和诸多化学领域中广泛的应用。
The research focused on the growth of SiGe single layer, multi-layers, metal induced growth of poly-SiGe, Schottky barrier diodes (SBDs) were fabricated.
包括锗硅单层、多层结构的外延生长、以及金属诱导生长多晶锗硅和肖特基二极管原型器件的制备。
The Teknetics T2 is a new high-performance multi-purpose professional grade metal detector.
T2 黄金探测器是新型的高效能的,多用途的专业级别的金属探测器。
To improve the performances of BRUSM, the multi-traveling wave metal tube ultrasonic motor is proposed, that the stator is in contact with rotor in three tiny areas.
为达到改善电机特性的目的,本文提出了一种定转子接触状态为三小区接触的多行波金属管式超声电机。
A light addressable potentiometric array sensor was designed to realize the simultaneous detection of multi-heavy metal ions in the same solution.
研制了一种基于微透镜阵列的光寻址电位阵列传感器,用以实现同一溶液中多种重金属离子的同时检测。
The technologies presented are valuable for numerical simulation of such a complex process as multi-stage sheet metal forming.
本文所阐述的技术对于多次拉深这一比较复杂的板料成形工艺的数值模拟研究有较大的参考价值。
The nonlinear extension multi-factorial evaluation method is used to assess soil heavy metal pollution.
将非线性可拓综合评价方法应用于土壤重金属污染评价。
Ideal forming results will be achieved if the sheet metal is formed along an optimum forming path. Such a path can be realized by multi-point forming technique.
按最优路径成形板材将获得理想的成形效果,这种最优成形路径可通过多点成形技术来实现。
Objective to investigate the effect of restoration of large defects or complete defects with multi-post-core baked porcelain veneer crown or full metal crown.
目的观察临床使用铸造金属多根桩全冠修复磨牙牙冠大面积缺损的效果。
Multi point forming (MPF) is a new flexible forming process for three dimensional sheet metal.
多点成形是一种板材三维曲面柔性成形的新技术。
Metal reflective thermal insulation material is by multi-layer aluminum or stainless steel combined overlap with multi-layer air gap structure of the insulation products.
金属反射型保温材料是由多层铝或不锈钢重叠组合起来具有多层气隙结构的保温制品。
Crystal beads are partially wrapped with a metal element that has multi-coloured crystals set in pave.
水晶珠部分包裹着的金属元素,具有多种颜色的晶体建立铺平。
East part of Weihai city is a favorable area for forming gold and multi-metal deposits.
威海东部地区是金及多金属矿的有利成矿区。
The test research to optimize processing parameters had been carried out systemically for Bi roughing of certain multi-metal ore containing Bi, Zn and Fe.
对某铋锌铁多金属矿的铋粗选工艺进行了系统的参数优化试验研究。
In the new century, the introduction of the various features into these multi-metal systems has become a major goal of the Supramolecular Chemistry.
在新世纪的开始,将各种功能引入这些多金属体系已经成为金属超分子化学届的一大目标。
In the new century, the introduction of the various features into these multi-metal systems has become a major goal of the Supramolecular Chemistry.
在新世纪的开始,将各种功能引入这些多金属体系已经成为金属超分子化学届的一大目标。
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