结果表明,在制备分离过程中,在满足分离要求的前提下,可以采用柱超载方式操作,以提高制备量。
The results show that if the separation demand can be satisfied, column can be overloaded in order to achieve more preparative throughput.
方法应该迅速(在数分钟或数小时内可以得到结果),样品制备需要量最低,和较低成本。
Methods should be fast (giving results in minutes or hours), require minimal sample preparation before analysis, and be low in cost.
在带材制备过程中,冷拉以后不退火直接轧制,采用大的道次压下量,均有利于提高临界电流。
During preparing silve sheathed tape, rolling after cold drawing without annealing, adopting large draught perpass were both benefit improving Jc.
控制不同的降解时间即可制备不同相对分子量的聚谷氨酸。
All kinds of relative molecular weight PGA was prepared by controlling the different hydrolyzation time.
本论文的初期工作是制备层状有序的、含氧量低的高纯度硅纳米线。
The intention of this dissertation is to prepare orderly silicon nanowires with high purity.
方法具有标样制备简单、消耗纯稀土量少、标准样片易保存、制样成本低等优点。
This method is characterized as it is low cost, economic and simple in standards preparation, and standards can be easily preserved.
本论文制备了丁基橡胶密封胶,并通过改变其中的填料的填充量来研究密封胶的各种物理性能。
The present paper has prepared the butyl rubber sealant, and through changes padding to fill in completely studies the sealant each physical performance.
该文对仙人掌汁的制备,仙人掌汁的添加量、添加方法和时间等工艺参数的优化设计,及纯生啤酒酿造进行了探讨。
This paper discussed the cactus juice preparation and draft beer brewing method, and optimized the juice addition amount, time and method, and other processing parameters.
制备出高阻尼混凝土并采用快速氯离子渗透法研究了轻集料掺量及其掺入方式对其抗渗性能的影响。
The high damping concrete was prepared, and the effect of lightweight aggregate on the impermeability of high damping concrete conducted with a rapid chloride permeability method was investigated.
评估结果表明,用直流等离子体氮化金属铝的特种制粉工艺所制备的超细氮化铝粉主相量已达95%。
The results of the evaluation have shown that the main phase quantity of ultrafine AlN powder prepared by the special powder manufacture, DC plasma nitridation of metallic aluminium have reached 95%.
方法采用乳化胶凝法制备海藻酸钠壳聚糖微囊,通过差示扫描量热法(dsc)探讨其成型机理。
Methods ACM was prepared by emulsification gelation method and its formation mechanism was studied by DSC analysis.
离子交换法制备的二氧化铈的光吸收效率和吸附氧量都优于二氧化钛。
Particles prepared by ion-exchange method excel at photo-absorption efficiency and oxygen-adsorptive capacity than titanium dioxide.
本实验首先研究复方黄芪制剂含药血清的制备和体外血清添加量,探讨复方黄芪制剂血清药理学的实验方法。
Firstly, the prepare method of medicine serum and the amount of serum addition of CRAP were studied to explore CRAP serum pharmacology method.
本文对自制备的光敏树脂的临界曝光量和透射深度这两个特性参数进行了测试研究,测得临界曝光量为8。
In this paper, the critical exposure (Ec) and the penetration depth (Dp) of the myself prepared photosensitive resin were determined, and its critical exposure is 8.
在相态的提取过程中,如果做平行样品分析的话一个样品至少要制备八份溶液,工作量很大。
During the extracting of the phase, to carry out parallel samples analysis, one sample will prepare eight solution at least and large work.
在目前国内通用的聚丙烯酰胺干粉制备工艺中,聚合物分子量的降低率达50%以上。
At present, the molecular weight of polymer reduces by over 50% in the preparation of general purposed PAM powder in China.
对掺塑化剂,粉煤灰掺量达80%的烧结砖的制备工艺进行了研究。
Study has been made on preparation process of sintered brick with 80% flay ash and plasticizer.
介绍超高分子量聚乙烯(UHMWPE)和聚四氟乙烯(PTFE)两款桥梁支座滑块的制备方法,并对滑块的性能进行了研究。
The preparation methods of two kinds of sliding blocks made from ultra high molecular weight polyethylene(UHMWPE) composite and pure polytetrafluorethylene(PTFE) powder were introduced respectively.
所制备的电极具有载铂量低、催化活性高的特性,比纯铂片对电极以及热解法制备的载铂对电极具有更高的活性。
The present electrode had the characters of low platinum loading and high catalytic performance which was higher than counter electrodes prepared by thermal decomposition and platinum foil.
研究喷雾干燥法制备高包埋量微胶囊化鱼油的壁材选择。
In the preparation of fish oil microcapsules by spray drying, Effects of total solids, thermal denatuation of soy protein isolate(SPI), DE value of maltodextrane(MD) and emusifiers were discussed.
本文描述了一种用调节沉淀聚合法制备不同分子量聚丙烯酰胺的新方法。
A new method for preparing polyacrylamides of different molecular weight ranges by regulating and precipitating polymerization is described.
方法确定加入辅料最大量,选择处方,制备药粉,测定吸湿量百分率、休止角、堆密度。
Methods To determine the maximum dose of adjuvant, select formula, prepare powder, and detect hygroscopicity, Angle of repose and bulk density.
因此,利用锯末具有高发热量与烧失量的特点,将锯末作为造孔剂制备轻质高强高孔洞率的烧结制品。
Therefore, sawdust, as a pore-forming agent, can prepare sintered product with light weight, high strength and high porosity due to calorific value and loss of sawdust.
选择适当的膜液组成和制备条件,可以制得截留分子量为67000的超滤膜。
The UF membrane with molecular weight cut off 67000 can be made by selecting proper composition of casting solution and preparation condition.
本研究利用不同含粘土量的硅质石屑作为硅质材料成功地制备了B05、B06级加气混凝土。
This experiment reports using clayish crushed stone for production of aerated concrete. B05 and B06 grade aerated concrete were prepared successfully using different clay content.
结论在明胶亲和柱体积不变的条件下,制备纤维蛋白结合素的量与血浆加样量、血浆在柱内停留时间密切相关。
CONCLUSION: in a given column volume of gelatin, the quantity of purified fibronectin was closely related with the plasma retention time in column and the total loading amount of plasma.
介绍了高分子量低不饱和度聚醚的制备方法及其在聚氨酯泡沫、弹性体中的应用。
The synthesis of high molecular weight polyether polyol as well as the applications of such polyol are introduced in the paper.
实验结果表明:离子掩蔽剂法制备的铜银双金属粉末具备了优良的抗氧化性能,其主要影响因素为包覆量及摩尔比。
Experimental results show that after adding the ionic masking agent, effectively improve the copper powder antioxidant properties, and the main influence factors is the coated and mole ratio.
选择适当的膜液组成和制备条件,可制得截留分子量分别为2000,6000,10000的超滤膜。
The UF membrane with molecular weight cut off 2000, 6000 and 10000 can be made by selecting proper composition of casting solution and preparation condition.
结果表明:改变反应温度可制备不同分子量的壳聚糖硫酸酯,并且其对金黄葡萄球菌、大肠杆菌有不同的抑菌效果。
The results indicate that sulfate chitosan with different molecular can be obtained through varying the reaction temperature and they have different antibacterial effects on St. aureus and E. coli.
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