铸膜液配方相同,添加剂浓度增大时,制得超滤膜的厚度增大,过滤通量增大、截留率降低。
With the same cast solution composition, increasing additive concentration would increase the thickness of membranes and lead to higher permeability and lower rejection.
问题:在典型的柴油曲柄箱机油中,添加剂的浓度一般是多少?
Question: What concentration of additives might be found in typical diesel engine crankcase oil?
根据试验结果,对反应温度、聚合物浓度、转化率和添加剂注入系统等生产工艺条件进行了改进。
Improvements in the process conditions were performed, including reaction temperature, polymer concentration, conversion and the feeding system of additives based on the experimental results.
通过对比实验考察了添加剂的浓度和洗消时间对其洗消效率的影响,并对雾滴粒径进行了测量。
The effects of the concentration of additives and decontaminating time on the efficiency together with the size of the water mist were experimentally researched.
以不同浓度的聚乙烯醇(pva)和聚丙烯酸(PAA)作为添加剂,利用水热合成法成功制备出具有不同直径的钛酸铅纳米棒。
Lead titanate nanorods with different length and diameter ratios have been successfully fabricated via hydrothermal method, PVA and PAA with different concentrations assisted as additives.
此外还研究了单体浓度、反应温度、添加剂等因素对接枝率的影响。
Effects of factors on grafting rate were investigated, such as monomers concentration, reaction temperature, additives and so on.
用壳聚糖作为整理剂对棉织物进行整理,探讨了不同工艺条件、壳聚糖浓度、添加剂等对织物性能的影响。
Chitosan, as a finishing agent, can be used fOr cotton fabric. The effect of different processing conditions, chitosan concentration and various additives on cotton property is discussed.
本文叙述了四种褐煤单独成浆性能以及添加剂、电介质对煤浆煤浓度、粘度、沉淀结构性能的影响。
The paper discusses that the slurryabilities of four kinds of Lignit and the effect of additive and electrolyte on the concentration, the viscosity and the precipitated property of coal slurry.
元素浓度较高的添加剂经适当稀释后也可测定。
The additives with higher element concentration can be also determined after being appropriately diluted.
影响振动磨机工作的重要因素是振幅,浓度,球荷及添加剂。
The important factors affecting their grinding efficiency include amplitude, density, ball charge and additive agent.
本文叙述了丙烯酰胺辐射聚合中间试验。采用中等浓度丙烯酰胺水溶液(30—35%按重量),加入添加剂EDTA二钠。
This paper described a pilot process of polymerization of acrylamide in middle concentration (30 ~ 35% by weight) aqueous solution with the additive disodium EDTA.
研究了硫酸盐镍电镀液的组成及浓度,特别是糖精添加剂含量对电铸镍沉积层组织形貌和性能的影响。
The influence of the content of saccharin additive in sulphate bath on the microstructure and properties of Nickel deposit made by electric casting was investigated.
采用循环伏安法研究了全钒离子液流电池正极溶液的浓度及添加剂对正极反应的影响。 研究了两种离子交换膜对钒电池性能的影响。
The effect of concentration and additive of vanadium ion redox flow battery on positive reaction was investigated by the means of cycle voltammetry.
研究了喹啉类添加剂和不同浓度梯度喹羟酮对肉鸡生产性能和蛋白质代谢的影响。
Effects of quinoxaline-type feed additives olaquindox, kuiqiangtong and kuixitong on performances and protein metabolism in broilers were studied.
实验结果表明,硅酸钠的浓度对转化反应有很大的影响,添加剂对提高其防腐能力有一定的效果。
The study shows that the concentration of silicate has great affect on conversion consequence and the additive has a certain effect on enhancing the effect of aluminum's anticorrosion.
研究了PVB本体浓度、制膜间隙、凝胶浴温度以及乙酸添加剂等因素对PVB不对称超滤膜性能的影响;
Effects of concentration of PVB, clearance of scraper, temperature of gelling bath and concentration of acetic acid additive on membrane performance were investigated.
结果表明,基质浓度对发酵效果影响最大,其次是添加剂。
The result shows that the substrate concentration effect on the fermentation is especially marked, then the additive.
对于单个气泡而言,在一定浓度范围内,添加剂正辛醇和异辛醇可以强化鼓泡吸收。
For a single absorption cycling, the additives 2-eh and 1-octanol with a suitable concentration range might enhance the heat and mass transfer.
重点考察了涂膜温度、溶胶浓度及添加剂对膜性能的影响。
The effects of coating temperature, the concentrations of sol and additive on the performance of membranes were systematically analyzed.
其对义马煤所制水煤浆(煤浆浓度63% )流动性好,性能稳定,性能达到或超过目前国内工业TEXACO气化装置所用的添加剂。
The high quality and cheap additives thus derived has proved to be of good flowability and stability in water-coal-slurry prepared from Yima coal at the coal concentration of 63%.
考察了相关制膜参数如溶剂、高分子液晶的浓度、聚砜的浓度、添加剂的用量、蒸发温度和蒸发时间等对超滤膜性能的影响。
The influence of preparation parameters, such as solvent, the concentrate of LCP, PS, addictive, evaporation temperature and time, on the properties of UF membrane were studied.
采用不同微生物,研究了调驱剂中主要添加剂、聚合物浓度、调驱剂溶液、调驱剂的成胶体及破胶液对微生物性能的影响。
The influences of additive, polymer concentration, profile control and flooding agent(PFA), gel and gel breaking liquid on the characteristics of the microbial were evaluated.
用电子显微镜(SEM)考察了聚合物浓度、添加剂用量及种类对膜形态结构的影响。
The influence of polymer concentration, the type of additive and content of additive on the morphological structure has been surveyed by SEM.
对膜的制备参数,如聚合物浓度、不同溶剂、不同添加剂和凝胶介质对膜性能的影响进行了较详细的研究。
The effects of polymer concentration, different solvents, additives, and coagulating media on membrane performance have been studied in detail.
综合分析本试验结果可知,不论是与相应摩尔浓度的氨基酸和氯化亚铁混合物比较,还是抗日粮中干扰铁吸收因子的能力,氨基酸螯合铁都是一种优良的铁添加剂。
According to the results of comparing with the compound of amino acid and FeCI2, and the ability resisting factors that disturb iron absorption, iron amino acid chelate was an excellent iron additive.
采用正交设计法选取制取水煤浆所适用的添加剂配方及最佳粒度分布,结果表明用改性木质素磺酸钠和贵州老鹰山煤能制取高浓度水煤浆。
The results indicate that high concentration CWS can be made from Laoyingshan raw coal in Guizhou Province by using modified sodium lignosulfonate as additives.
在食品中自然产生的毒素虽然不受常规控制,但如果提将这些毒素按照他们在食品中自然产生的浓度作为食品添加剂是不会被允许的。
Toxicants occurring naturally in foods are not subject to regulatory control, and many would not receive approval if they were proposed as food additives at the levels in which they occur.
实验又考察了聚乙烯醇缩乙醛浓度、铸膜液温度、凝固浴温度和盐含量以及添加剂含量等因素对膜纯水通量和截留率的影响。
Experiments were performed on the influences of the concentration of poly (vinyl acetal) and temperature on pure water flux and rejection of membranes.
实验结果表明增稠剂的浓度是影响印墨粘度的主要因素,添加剂的浓度和染料用量为次要因素。
The results indicate that the main factor affecting ink's viscosity is the concentration of the additives. Other important factors are the thickener's concentration and the amount of dye.
采用L9(34)正交试验法,对影响杂细胞沼气发酵的基质浓度、发酵温度、添加剂三因素进行了初步研究。
The initial study was conducted on the mutual relationship of the factors as substrate concentration, additive and temperature by means of the L9 (34) orthorhombic experimental method.
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