二次离子污染是影响厦门环境空气质量的主要因子。
The pollution of secondary ions is the major influence factor for Xiaman air quality.
抗高温、抗盐尤其抗高价离子污染能力强,防塌效果好。
The copolymer also had good heat resistance salt tolerance, and hole sloughing prevention.
这些参数主要包括:外观、干燥度、离子污染、助焊剂残留、表面绝缘电阻和电迁移等。
It 'mainly concludes these characteristic parameters, such as visual, dryness, ion contamination, welding flux residual, surface insulation resistance and electric migration et al.
本文提出了一种利用非抑制型离子色谱法测定印制电路板表面六种无机阴离子污染物的方法。
A method for the determination of six inorganic anions on the surface of Printed Circuit Board (PCB) by non-suppression ion chromatography was proposed in this paper.
饱和砂性土的孔隙水电导率直接反映了孔隙水中离子的含量,对研究土体离子污染有重要意义。
It is of great significance to the study of ionic contamination that the electrical conductivity of pore fluid in saturated sandy soil reflects the ion content.
新疆准噶尔盆地南缘地区安集海河组存在超高压、强造浆、强坍塌应力、复合离子污染等问题。
Abnormal high formation pore pressure and sloughing stress exist in the south area of Junggar Basin, and mud making and composite ion contamination is also remarkable in this area.
本发明的方法得到的改性沸石可对污水中阳离子污染物、阴离子污染物以及非离子的有机污染物等多种污染物进行同步去除。
The modified zeolite obtained by the method in the invention can synchronously remove various pollutants in sewage such as cation pollutants, anion pollutants and nonionic organic pollutants.
这些膜技术本质上都是一个过滤程序,就是用一个有非常细小水通道的膜片把污染物离子从溶液里过滤掉。
Each of the membrane technologies is essentially a filtration process in which contaminant ions are filtered from solution using a membrane with very small water passages.
从太阳那里获得然后储存在世界上最大的锂离子电池里能量将会驱动出一次无杂音、无污染的电动马达约1.6天的航程。
Energy captured from the sun and stored in the world \ 's largest lithium ion battery will power a noise-free, pollution-free electric motor during an estimated 160 day voyage.
普通钢在系统中会溶解,铁离子会污染超滤膜,导致在清洗后超滤效果也不好,甚至要更换超滤元件。
Mild steel in this system will dissolve and contaminate the membranes with iron, resulting in reduced efficiency even after cleaning and therefore should not be used.
用过的离子交换树脂滤芯可由厂家再生处理,不会对环境造成污染。
Used ion-exchange filter element could be recycled by producer and no pollution will happen.
因此,该类树脂在污染控制方面具有应用前景,在去除生化产品中重金属离子的领域中也有应用价值。
The macroporous crosslinked PVA-based aminocarboxylic acid chelating resins could be applied to the facet of controlling pollution and removing heavy metal ions in biological process.
干式等离子切割:又称风冷式切割,采用空压机对板材割缝喷气以达到冷却效果,此类切割成本较低,但是污染很大。
Dry plasma cutting: also called the air-filled type cutting, the air compressor to plank cut in order to achieve the effect of cooling seam jet, such cutting costs low, but pollution is very large.
通过对中毒离子交换树脂的分析,证实离子交换树脂被铁化物污染是导致离子交换树脂交换能力有所下降主要原因。
Analysis of the poisoned ion exchange resin proves that the pollution of ion exchange resin by iron compound is the main reason leading to exchanging ability reduction.
采用球状离子交换树脂,颗粒均匀不会产生泄漏,不会对抗燃油造成颗粒污染。
Adopts spherical ion-exchange resin, never leak and pollute the fire resistant oil.
随着锂离子电池消费量的增加,废旧锂离子电池已成为环境污染源之一,其回收利用工作逐渐引起人们的重视。
With the increase consumption in lithium ion battery, waste lithium ion battery has become one of the environmental pollution sources. People gradually attach importance to its recycle.
锂离子二次电池具有能量转换效率高、环境污染小、便于携带、使用方便等特点。
Rechargeable lithium ion batteries have attracted worldwide attention because its high energy invert efficiency, good to environment, easy to carry and convenient for using.
前者主要是被污染地下水中阴离子替代组成含水层介质骨架的矿物晶格中阴离子,生成新的矿物相的过程。
The metasomatic process is mostly the substitution of anions in the crystal lattice of minerals making up the matrix of aquifers by anions from polluted groundwater to form new mineral facies.
重金属离子对环境的污染,尤其对水质的污染早已成为影响人类以及其它生物生存环境的重大问题。
The environmental pollution of heavy metal ions(HMI) has already become serious problems that influence the survival environment of human being and other creatures.
由于茶叶的结构特殊,用其捕集水溶液中金属离子,可达到治理水污染和净化饮用水的目的,也能使金属离子富集分离。
Tea has the ability to catch many metal ions contained in water due to its unusual structure, thereby can be used to deal with polluted water.
本文主要讲述阴离子交换树脂在不同水源情况下被污染的处理。
The paper focuses on the disposal of above motioned pollutions of anion exchange under different water sources.
本文以松花江水为本底,以微量苯酚和重金属离子铅与镉为研究对象,通过烧杯搅拌试验,初步考察了高铁酸盐的除污染效能。
The pollutant removal effect of ferric coagulant was researched by stirring jar test to remove trace phenol and heavy metal ions of Pb and Cd in Sungari River.
离子液体不挥发,无污染,无臭味,具有高选择性和催化作用且易于循环回收利用,作为一种新型的高效绿色溶剂,以其突出的优势已成为绿色化学研究的热点之一。
Because of no volatilization, no pollution, no odour, high selectivity and catalysis, easy to recycle, ionic liquids become one of the hotspots of green chemistry as a new green solvent.
本文介绍了用离子色谱法测定无机阴离子,对污染严重的水样通常采用预处理柱法。
The paper describes the pretreatment of the waste water by using ion chromatography to determine inorganic ions, and discuss the preparation and regeneration of the pre-processing column.
首次报道了南极麦克斯韦尔海湾海域阴离子洗涤剂污染的变化和分布状况。
The change and distribution of anion detergent pollution in the Antarctic Maxwell Bay and its adjacent sea areas were reported for the first time.
与污染较重的雾水相比,雪水中的诸离子浓度远低于北京地区雾水所测值。
The total ion concentration in the snow water is much lower than that of the heavily polluted fog water observed in the Beijing area.
介绍了新一代电化学水处理设备治理有毒重金属离子与有机污染物混合废水的工程实例。
The new generation of electrochemical water treatment equipment for treating the mixed wastewater containing toxic heavy metal ions and organic pollutant is introduced.
拉尼•帕德森告诉每日邮报网站说:“无人机四周的一圈布料带有负离子,能吸走空气中漂浮的污染物和颗粒物。”
'The fabric that goes around the drone has minus ions, which attracts pollutants and particles flying in the air, ' Lani Paderson told Dailymail. com.
由于它的优点,如高蚀刻率、高选择性、无碳蚀刻和最小限度的残留污染,电子工业把它用在等离子和热清洁应用中。
The electronics industry uses it in plasma and thermal cleaning applications for its advantages such as high etch rates, high selectivity, carbon-free etching, and minimal residual contamination.
本文综述了低温等离子体技术治理气态污染物及其反应装置的研究状况与技术优势,并展望了其应用前景。
This article summarizes the progress in the treatment of gaseous pollutants using non-thermal plasma, the status of the plasma reactor as well as the prospect of application.
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