Study on impact of sodium adsorption ratio of saline water on soil physical and chemical properties and infiltration characteristics;
微咸水钠吸附比对土壤理化性质和入渗特性的影响研究
The results indicate that after glyphosate was applicated,salinity expressed by electrical conductivity,exchangeable sodium percentageESP,sodium adsorption ratioSAR,alkalinity and pH of soil increased obviously.
结果表明,施药后土壤盐度(用电导率表示)、钠碱化度(ESP)、钠吸附比(SAR)、总碱度及pH值都明显增大,且随施药次数的增加,上述各项盐化和碱化指标不断增大;每次施药后,土壤的各项盐化和碱化指标都随施药浓度的升高呈增大趋势。
84, 3, 4 and 5 g/L on the soil salification rate, soil sodium adsorption ratio of so saturation extract as well as winter wheat yield and yield constitute factors irrigated were studied in order to determin upper limit of irrigation mineralization suitable for.
根据中科院南皮生态农业试验站2002～2005年的冬小麦微咸水混灌田间试验资料,以淡水为对照研究了矿化度分别为3、4、5g/L的微咸水混灌对土壤积盐率、土壤饱和浸提液钠吸附比(SAR)、冬小麦产量和产量构成因素以及水分利用效率的影响,从而确定适宜的灌溉水矿化度上限。
According to SAR (Sodium Absorption Ratio), the assessing method is based on the water quality criteria for sodium containig water: Low Subium Water (S_1); Medium Sodium Water (S_2) High Sodium Water (S_3); Very High Sodium Water (S_4).
本文简述了这一有害影响,并且以钠吸收率(SAR)为依据,分低钠水(S1)、中钠水(S2)、高钠水(S3)和特高钠水(S4)作为评价标准,本文还讨论了SAR与ESP的经验关系式,又以土壤的钠交换率(ESP)为评价标准,对四川省资中县某厂排放废水进行了评价,其结果表明该厂排放废水在只考虑SAR和ESP的情况下,一般可用作灌溉水。
Several conditions influenced on the adsorption rate were also discussed.
为了分析蛭石对废水中有害金属离子的吸附性能,通过新疆蛭石对水中Cu2+、Pb2+和Zn2+的吸附速率实验,探讨了水溶液中几种反应条件对金属离子在蛭石上的吸附速率的影响。
The saturated adsorptive capacity,adsorption rate and isothermal curve were investigated.
通过对树脂的饱和吸附量、吸附速率及吸附等温线的研究,得到了201×7树脂对氰化物的饱和吸附量为44。
Adsorption isotherms and adsorption rate of water or ethanol on composite adsorbents prepared by the authors (named M4-0132, M1- 0001, M1-9906 and M2-0003 respectively), were tested.
本研究在对制冷用复合吸附剂制备[14]和吸附机理[15]探讨基础上,进一步研究水或乙醇在自制复合吸附剂上的吸附等温线、特征吸附功和吸附速率等吸附性能,为吸附制冷用吸附剂产品的开发及其系统设计提供依据。
Reasons for resulting in low gold adsorption rate and improvement measures proposed;
金吸附率低的原因分析及改进措施
The Adsorption rate was relevant with the dosage of chitosan,the absorption time,and the p.
s的壳聚糖吸附Cd2+、Pb2+、Cu2+过程中,吸附效果与壳聚糖的用量、吸附时间、溶液pH值有关,这3种因素对壳聚糖吸附重金属的吸附率影响显著。
The effects of several process parameters on lipid adsorption rate and COD of treated water were examined.
讨论了影响脂质吸附率和处理后废水COD的几个因素。
The result shows that adsorption-rate is consistent with desorption-rate, both increasing with pressure.
吸附速率与解吸速率随压力的变化曲线基本相同。
Dynamic adsorption results show that the adsorption rate of IEF to UDMH is greater than that of resin, and the former adsorption capacity is 3.86 times larger than that of the latter.
动态吸附结果表明,离子交换纤维对偏二甲肼的交换吸附速率大于离子交换树脂.
Experimental results show that the apparent adsorption rate constant decreases with increasing substituted benzoic acids concentration.
实验结果表明表观吸附速率随取代苯甲酸浓度增大而降低。
Compared to common active carbon, the products are characteristic of developed void space structures, quick absorption rates, low content of impurities, high wear resistance strength and circulating operation, etc.
相比普通活性炭具有孔隙结构发达、吸附速率快、杂质含量低、耐磨强度高、可循环使用等特点。
Calculation and Analysis on the Mass-transfer Velocity of Adsorbate in Porous Medium
多孔介质中吸附质传质速率的计算分析
Effects of Amounts of Surface Coatings on the Adsorption Rates of Cd to Natural Surface Coatings;
自然水体生物膜数量对其吸附镉的速率影响
Effect of Water Content of SAF on its Adsorption Rate of CO_2
含水量对固态胺纤维吸附CO_2速率的影响
The adsorption effect of active carbon provided a high-concentration environment to increase the reaction rate.
活性炭的吸附作用为光催化反应提供高浓度环境，加速了反应速率。
The simulated and experimental results were in good agreement. The heat transfer rate in the adsorber was proved to control the speed of the heat pump cycle.
计算求解值与实验结果相一致,说明了吸附器中的传热速率控制了热泵循环速度.
fast-reacting ion-exchange resins/adsorbents
快速离子交换树脂/吸附剂
The Study of Adsorption Rate and Stability of Cyanophage PP;
PP噬藻体的吸附率和稳定性的研究
Dissolution rate determines the availability of the drug for absorption.
溶解速率溶解速率决定药物吸收时的可用度。
Its absorption mechanism is as follows: the enlargement of interlayer space to better the absorption of organic substances and to quicken filtration speed.
吸附机理为通过增加大层间距,提高吸附有机物质,加快过滤速度。
Study on Desorption and Mass Transfer Velocity by Activated Carbon Fibres Bed;
活性炭纤维（ACF）床脱附及传质速率研究
Effect of Porosity Generators on Absorbency Rate Starch-based Superabsorbent
淀粉基多孔高吸水树脂致孔剂对吸液速率影响
Study on Wrapping Methods of Control Initial Water-Absorbent Rate of Super Absorbent Resin
包裹法控制高吸水树脂初期吸水速率的研究
It requires considerable concentration to maintain a false breathing rate.
保持人为的呼吸速率需要相当专心。
RESEARCH ON THE RESPIRATORY RATE CHANGE OF WHEAT UNDER DIFFERENT CONDITIONS
不同条件下小麦呼吸速率变化的研究