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regeneration cycle
相关语句
  再生循环
     After the regeneration cycle use of the redox mediator for 10 times the electrolytic yield of 87% for the oxidation of Ce~(4+) can still be obtained.
     电化学氧化再生循环10次后,Ce~(4+)的电解产率仍可达到87%以上。
短句来源
     The equation for linear regression between dissolved cadmium and phosphate in May is Cd (ng/dm3) =180. 0 PO4 (μm) +9. 9. The contribution of Cd relates closely to the regeneration cycle of PO4 3-.
     5月溶解态Cd与PO_4~(3-)的线性回归相关式为:Cd(ng/dm~3)=180.OPO_4(μm)+9.9; Cd的分布与PO_4~(3-)再生循环关系密切。
短句来源
     Thers is good correlation between the distribution of Cu and the regeneration cycle of N and SiO32- in May.
     5月Cu分布与无机氮、硅酸盐再生循环关系密切.
短句来源
     The contribution of Cu in June relates closely to the regeneration cycle of inorganic nitrogen.
     6月Cu分布与无机氮再生循环关系密切.
短句来源
     The regeneration of spent titanium pickle liquor has been studied using SF11 precipitant The effect of adding various amounts of hydrofluoric acid and nitric acid on the results of pickling have been investigated The best regeneration cycle and pickling process conditions have been selected It has been shown that the pickling rate of the regenerate acid and the surface quality of the pickled sample meet the needs of production
     通过实验研究论证了以SF11为沉淀剂再生酸洗液的可行性,试验了SF11加入量对酸液再生效果的影响,再生酸中补加氢氟酸和硝酸量对酸洗效果的影响。 选择了酸洗液再生循环和酸洗的最佳条件。
短句来源
  再生周期
     Prolongation of ZSM-5Cata lyst Regeneration Cycle via Process Operation Optimism
     优化工艺操作延长ZSM-5催化剂再生周期
短句来源
     The first time application of 481-3 catalyst in cracking gasoline hydrogenation unit is emphatically represented, comparison is made to UOP S-12 catalyst from several aspects such as activity, selectivity, strength and regeneration cycle, etc. , and analysis is conducted to the economic benefits and social impact of nationalization.
     着重介绍了481-3催化剂首次在裂解汽油加氢装置上的应用情况,以装置的实际操作数据为依据,从活性、选择性、强度及再生周期等多方面将其同UOP的S-12催化剂进行对比,并对国产化的经济效益和社会效益进行了分析。
短句来源
  回热循环
     ON THE OPTIMIZATION CRITERIA OF A REGENERATION CYCLE OF THE FERROELECTRIC GENERATOR
     铁电晶体热电转化回热循环的优化准则
短句来源
     The nonreversibilities of thermal resistance and the finite time character of the cycle and the energy loss of the ferroelectrics are taken into account in a regeneration cycle of the ferroelectrics generator. A characteristic parameter λ is defined and the optimum performances of the cycle is studied. The criterions,on which the maximum output power and the best compromise between power and efficiency,are derived.
     考虑铁电晶体热电能量转化回热循环的有限时间性以及热阻和铁电介质的损耗等不可逆因素,定义回热循环能量转化的特征参量λ,对循环性能进行优化研究,给出铁电晶体热电转化最大输出功率状态下的优化准则以及功率与效率协调的优化准则,为回热式铁电晶体热电能量转化装置的优化设计提供理论依据。
短句来源
     The modle of the irreversible regeneration cycle for the ferroelectric refrigeration with thermal resistance,heat leak and regenerative loss is established.
     建立了考虑热漏、热阻及回热损失等主要不可逆因素的铁电致冷不可逆回热循环模型。
短句来源
  “regeneration cycle”译为未确定词的双语例句
     With the increase of regeneration cycle times in both regeneration methods, the regeneration efficiency would decrease a little.
     同时用两种再生方法对吸附苯酚后的活性炭进行循环多次再生,探讨了多次再生对活性炭再生效率的影响。
短句来源
     The differences of regeneration cycle,etiolation rate, bud quality and propagation coefficient among the four proliferation ways were compared and analyzed. The most appropriate two ways for in vitro propagation of Populus euphratica were discussed.
     采用繁殖周期、增殖系数、有效芽健壮程度、黄化率等指标 ,对胡杨离体培养 4种分化增殖途径进行比较分析表明 ,胡杨离体茎段培养与叶片诱导不定芽是胡杨试管苗生产的两条良好途径
短句来源
     The coefficient of performance and the refrigeration rate of the regeneration cycle for the ferroelectric refrigeration are calculated and some errors in the relevant literature are pointed out.
     计算了铁电制冷回热循环的制冷系数和制冷率 ,并指出有关文献中的错误
短句来源
     Rice storability affects the regeneration cycle of accesions stored in geneback, the seed sowing amount and seedling establishment in the rice production, and the risk of commercial production and management of hybride seeds.
     作为种子或种质保存,耐储藏水稻经长期储藏后具有较强的生活力。 水稻种子的储藏特性将会影响保存种质的繁育频率、生产用种量及秧苗的生长状况,尤其是杂交种子的生产经营风险等渚多问题。
短句来源
     Using 2% Al_2(SO_4)_3·18H_2O solution to regeneration the exhausted colunm,the regeneration effciency was tesed to be about 80%,and there was no decreasing trend in the uptake capacity after each regeneration cycle,the used regeneration solution was renewed by reacted with calcium salts and clay.
     采用动态实验考察,结果表明活化沸石比天然沸石的除氟容量提高了65%,处理水量分别为44L/kg,28L/kg,采用2%的硫酸铝浸泡再生,再生率约为80%,且多次再生后沸石柱除氟效率保持稳定。 采用粘土为助沉淀剂与钙盐联合对使用后的再生液进行更新回用,达到了满意的效果。
短句来源
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  regeneration cycle
The controller is designed to perform feedback action during the regeneration cycle and to perform only state estimation during the dehydrogenation cycle.
      
Furthermore constant H2S removal capacity was maintained up to 15 times of sulfidation/regeneration cycle.
      
The sorbent treated first sulfidation/regeneration cycle exhibited maximum specific surface area and the highest H2S removal capacity.
      
In order to investigate the effects of sulfidation/oxidative regeneration cycle on the change of structural properties and removal capacity of sorbent, sulfidation/regeneration cycle was carried out up to 15 times in a fixed-bed reactor.
      
Effect of sulfidation/oxidative regeneration cycle on the solid structural changes of sorbent for high-temperature removal of H2
      
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The evaluation of methanol-to-hydrocarbon reaction is carried out on shape selective zeolite catalyst prepared in this laboratory especially for 1043 catalyst. The data show that it has high activity and selectivity. After 14 regeneration cycles,the stability as indicated by methanol handling per gram catalyst per cycle and the liquid hydrocarbon yield is good.

对实验室合成的ZSM型沸石催化剂进行了评价,考察了其用于甲醇转换为烃类反应的性能,并对1043催化剂做了条件试验。试验指出,该催化剂具有高的活性和选择性、较好的稳定性。这种催化剂在常压下,经14次再生,每周期每克催化剂的甲醇处理量和液态烃的收率基本上都是稳定的。

The synthetic process of polyethylene cation exchange capillary via radiation grafting polystyrene by simultaneous irradiation with 60Co γ-ray source and sulfonation with con-centration H2SO4 was studied. The effects of dose, dose rate, monomer concentration, solvents, temperature and crosslinking agents on the graft copolymerization of styrene with polyethylene capillary were illustrated. The relationship between the radiation grafting conditions and the properties of ion-exchange capillary were examined. A...

The synthetic process of polyethylene cation exchange capillary via radiation grafting polystyrene by simultaneous irradiation with 60Co γ-ray source and sulfonation with con-centration H2SO4 was studied. The effects of dose, dose rate, monomer concentration, solvents, temperature and crosslinking agents on the graft copolymerization of styrene with polyethylene capillary were illustrated. The relationship between the radiation grafting conditions and the properties of ion-exchange capillary were examined. A polyethylene cation exchange capillary with I. D. 0.8mm, length 20m, exchange capacity 0.7 Meq/g, 60 % capacity in 10 s(flow rate 20ml/min) was prepared. No significant loss of capacity was found from this ion-exchange capillary after 200 adsorption/regeneration cycles.

本文研究了聚乙烯毛细管共辐照接枝苯乙烯和经浓H_2SO_4磺化后制成阳离子交换管。阐明了聚乙烯毛细管辐射接枝苯乙烯时,剂量、剂量率、单体浓度、溶剂、温度和交联剂等对接枝率的影响。探讨了辐射接枝条件与离子交换管性能之间的关系。在本文所述的最佳条件下,可制得内径0.8mm、长20m、交换容量0.7Meq/g、10s相对交换率达60%以上(流速20ml/min)的聚乙烯阳离子交换毛细管。这种离子交换管循环使用20O次后交换容量无显著下降。

Three types of ZSM-5 zeolite with different crystal sizes,appearances,surface conditions and aggregate states etc.have been synthesized fromthe same Al,Si and organo-ammonium compounds.The particles of zeo-lite C are small,uniform and barshaped.Its Si/Al ratio is higher andboth the surface acidity and strong acid sites are lower than those ofZSM-5 A and B after ion exchange.The Na_2O content of the originalpowder is so low that ion exchange can probably be omitted.The average length of channels including tube-shaped...

Three types of ZSM-5 zeolite with different crystal sizes,appearances,surface conditions and aggregate states etc.have been synthesized fromthe same Al,Si and organo-ammonium compounds.The particles of zeo-lite C are small,uniform and barshaped.Its Si/Al ratio is higher andboth the surface acidity and strong acid sites are lower than those ofZSM-5 A and B after ion exchange.The Na_2O content of the originalpowder is so low that ion exchange can probably be omitted.The average length of channels including tube-shaped and Z-shapedchannels in zeolite C may be shorter than that in A,B,because of itsbarshaped particles.Such channels are advantageous for diffusion of react-ants and products.This leads to lower coking and deaetivating rates,lo-nger regeneration cycle and higher yield of oil in MTG conversion.Catalyst B was regenerated 7 times while catalyst C and catalyst Aneeded only 3 times and 4 times of regeneration respectively 1000 h onstream.However,catalyst B gave constant aromatics yield throughoutregeneration cycles except the first cycle.

合成了晶粒大小、外观形貌、颗粒表面光滑程度以及聚集状态等微织构均不相同的三种沸石分子筛。其中颗粒细小而均匀,呈长条状的分子筛C,经离子交换后与其余两者相比具有较高的Si/Al 比、较低的总酸量及强酸百分比,原粉Na_2O 含量甚低,甚至可以省略离子交换步骤。由于分子筛C 的筒形及Z 字形两组孔道较短及粒子间形成的缝隙多,有利于反应物与生成物的扩散,故提高了催化剂的利用率,在用于甲醇转化制取烃类的反应中,结炭速率低、失活慢、活性稳定性良好,在1000小时寿命试验中仅再生三次;而分子筛B 制成的催化剂则需经历七次再生。但是,从每次再生后油相产品中芳烃的含量变化来推测,分子筛B 自身的结构则更为稳定,虽经多次再生,其酸性也相当稳定。

 
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