查询词典 synthetic method

The invention discloses a synthetic using method of smelting high-furnace dust, which comprises the following steps: grinding the high-furnace dust with 1.5-15% zinc; proceeding magnetic cobbing; reclassifying to obtain the refined ferric ore; disposing ore tail through waste acid of titanium dioxide with 15-30% sulphuric acid; transmitting the zinc oxide in the solution at zinc sulfate pattern; separating solid and liquid solution through lime; obtaining refined zinc ore through S2-, CO32-, HCO3- ion; floating the immersed slag through neutral oil.

一种炼铁高炉炉尘资源综合利用的方法，含锌1.5％～15％的高炉炉尘经磨矿、磁选、重选回收铁矿物获得铁精矿，选矿尾矿用含硫酸15％～30％的钛白废酸处理，使其中的氧化锌以硫酸锌的形式转入溶液中，固液分离得出的溶液用石灰中和除铁后，再用S2-、CO32-、HCO3-离子沉锌获得锌精矿，浸出渣用中性油浮选获得炭精矿。该方法将钛白废酸和高炉炉尘结合在一起，使之成为互为所需的原料和试剂，有效地将两种废弃物变成了有价资源，较好解决了环境污染问题，同时又能产生好的经济效益。

This method overcame the weak points of traditional organic synthetic technique; moreover it strengthened the primary electrosynthetic technique.

它克服了传统的有机合成工艺的弊端，强化了原有的电解合成技术。

1The chemical oxidization method was used to prepare emeraldine salt type conductive polyaniline doped with hydrochloric acid by interfacial polymerization which employ immiscible interface formed via the water and organic solvent, and we discuss the influences of synthetic conditions on the conductivity of PANI－HCl.

1采用化学氧化合成法，以界面聚合方式，利用水与有机溶剂所形成的不相容界面，直接制备以盐酸掺杂Emeraldine Salt型导电性聚苯胺，探讨合成条件对PANI－HCl之导电度的影响。

Based on Meta-Synthetic Methodology,the method introduced uses objective weight of object as a criterion to verify the subjective weights which are given by qualitative analysis of groop members,and then excludes those members who give a subjective weight with a biggish warp.

运用综合集成法，以目标客观权重为标准检验群体成员定性分析确定的主观权重，剔除偏差较大的主观权重，然后综合有效的群体成员所赋目标主观权重，得到目标最终的权重，完成多目标群体决策。

The optimum synthetic conditions of hexadecanoic acid diethanolamide used two-step method are as follows:(1)reaction temperature was 140℃, reaction time was 4.5hours and molar ratio of hexadecanoic acid to diethanolamide was 1:1.15.(2)reaction temperature was 80℃, molar ratio of hexadecanoic acid to diethanolamide was 1:1.55 and mass concentration of the catalyst was 0.8%, reaction time was 3 hours.

二步法合成十六酸二乙醇酰胺最佳合成工艺为：(1)反应温度140℃、反应摩尔比n十六酸∶n二乙醇胺=1∶1.15、反应时间4.5h；(2)反应温度80℃、反应总摩尔比n十六酸∶n二乙醇胺=1∶1.55、催化剂用量0.8%、反应时间3h。

The paper discusses idiographic arithmetic of this display method,and in this way, synthetic...

讨论了其具体实现算法，并将综合显示控制屏按该方法应用在山东引黄涵闸PLC测控系统中，获得了比较满意的效果。

The invention adopts the technical proposal that the nucleation and process of growth of the molecular sieve are controlled properly in the synthetic process of the ZSM-5 molecular sieve material for producing the Magadiite/ZSM-5 intergrowth material, wherein the proportion of intergrown phases is adjustable, and the synthesized Magadiite/ZSM-5 intergrowth material adopts the compositions including the following mole relation: nSiO2:Al2O3, where n is between 50 and 1000 in the formula, and the method is characterized in that the Magadiite/ZSM-5 intergrowth material has two intergrown phases and an XRD diffraction pattern thereof has the d-space maximum value at the lengths of 15.73+-0.1, 11.14+-0.1, 9.97+-0.1, 7.74+-0.1, 5.14+-0.1, 3.86+-0.05, 3.66+-0.05, 3.45+-0.05, 3.30+-0.05 and 3.14+-0.1 angstroms, thereby solving the problems properly.

本发明通过采用在ZSM-5分子筛材料合成过程中，控制好分子筛的成核和生长过程，制备出了一种Magadiite/ZSM-5共生材料，其中共生物相比例可调，合成的Magadiite/ZSM-5共生材料采用包括以下摩尔关系的组成：nSiO2∶Al2O3，式中n＝50～1000，其特征在于所述Magadiite/ZSM-5共生材料具有两种共生物相，其XRD衍射图谱在15.73±0.1，11.14±0.1，9.97±0.1，7.74±0.1，5.14±0.1，3.86±0.05，3.66±0.05，3.45±0.05，3.30±0.05，3.14±0.1埃处有d-间距最大值的技术方案，较好地解决了上述问题。

In this thesis, we describe a facile and economical synthesis of-abscisic acid from keto-isophorone and 3-butyn-2-ol through ketalization, oxidization, Witting-Horner reaction, reduction with chromium sulfate and other steps in 13% total yields. Compared to the previous routes, the starting materials are more commercially available and cheaper and the synthetic process is more easily controlled in our method, but the yield of this route is still to be improved.As to isostere principle, cyclopropyl and methyl vinyl are a couple of isostere.

本论文设计并完成了一条全新的外消旋脱落酸(1)全合成路线，从廉价的工业原料氧化异佛尔酮和丁炔醇出发，经过缩酮化反应、氧化反应、Wittig-Horner反应、CrSO_4选择性还原反应以及水解等七步反应实现了脱落酸的全合成，总产率达13％，与以往路线相比，该路线所用试剂廉价、合成路线简单，但产率有待提高。

Objective To research and analyse the prevention of complications and the practice method improvement of monofilament polypropylene synthetic nonabsorbable cogs thread in plastic and aesthetic surgery.

目的 探讨单丝聚丙烯合成非吸收齿状线在美容整形中的并发症产生的原因及应用方法及技术的改进方法对近两年的单丝聚丙烯合成非吸收齿状线在美容整形中的应用进行总结与分析。

Objective To research and analyse the prevention of complications and the practice method improvement of monofilament polypropylene synthetic nonabsorbable cogs thread in plastic and aesthetic surgery.

目的 探讨单丝聚丙烯合成非吸收齿状线在美容整形中的并发症产生的原因及应用方法及技术的改进。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！