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nitrogenous waste
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  “nitrogenous waste”译为未确定词的双语例句
     Through the laboratory simulated test on semi-aerobic landfill, this thesis discusses the degradation of nitrogenous waste, reveals the degradation mechanism of waste in semi-aerobic landfill, provides theoretic basis and technical support for the deep research and engineering application of semi-aerobic landfill and offers ideas for the reconstruction of anaerobic landfill.
     论文通过对垃圾准好氧填埋的室内模拟研究,探讨垃圾中含氮物质的降解过程,初步揭示了准好氧填埋垃圾降解的基本机理,为今后准好氧填埋技术的深入研究和工程应用提供理论基础和技术支持,并为厌氧填埋场的改造提供思路。
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  相似匹配句对
     E-Waste
     E时代垃圾
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     Waste Gas of Small Nitrogenous Fertilizer Factory and Dealing with
     小氮肥厂的废气及其处理
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     Bio-treatment technology of ammonia-nitrogenous waste water
     含氨废水生物处理技术
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     waste and economization;
     挥霍浪费与勤俭节约的文化冲突;
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     NITROGENOUS FERTILIZER AND ENVIRONMENT
     氮肥及环境
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  nitrogenous waste
Symbiodinium provides the animal host with photosynthetic carbon and may also recycle animal nitrogenous waste.
      
Ammonia seems to be the main nitrogenous waste during embryonic development.
      
Nitrogenous waste excretion and accumulation of urea and ammonia inChalcalburnus tarichi (Cyprinidae), endemic to the extremely
      
Since guanine is not only an essential constituent of vital nucleic acids, but also the main end product of nitrogenous waste excretion in arachnids, it is a potential candidate for a hygienic index for mite activity in house dust.
      
While NH4+ makes up the bulk of nitrogenous waste, it is in equilibrium with the highly toxic NH3.
      
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A safe, efficient and simple method for reprocessing hollow fiber dialyzers is presented. The dialyzers were rinsed in reverse pressure and their cell volumes measued. They were then resterilized with an antiformin compound and formaldehyde in sequence.Altogether, 57 dialyzers were subjected to this study on 34 uremic patients, totaling 697 dialyses. Infection, pyrogenic reaction, acidosis, formalin intoxication, pulmonary embolism and the lupoid syndrome were not encountered. Efficiency, as judged by ultrafiltration...

A safe, efficient and simple method for reprocessing hollow fiber dialyzers is presented. The dialyzers were rinsed in reverse pressure and their cell volumes measued. They were then resterilized with an antiformin compound and formaldehyde in sequence.Altogether, 57 dialyzers were subjected to this study on 34 uremic patients, totaling 697 dialyses. Infection, pyrogenic reaction, acidosis, formalin intoxication, pulmonary embolism and the lupoid syndrome were not encountered. Efficiency, as judged by ultrafiltration rate and decline in BUN and serum creatinine as well as the capacity for clearing nitrogenous wastes and middle molecular substances, was not significantly compromised when a dialyzer was reused up to 15 times. Also, efficiency appeared to be related more intimately with the residual fiber bundle volume rather than number of times reused. Hence, it is felt that a dialzer should be discarded whenever its residual cell volume falls more than 20%. Regarding to this respect further laboratory studies are required.Since adoption of such a technique in our institution, reuse of single dialyzers has increased from 4.3±3.0to17.2±9.8 times. As the expense of reuse is relatively low, its economic value is self evident.

本文介绍在国内首先使用的一种简便、有效的人工操作的空心纤维透析器再使用方法,使每只透析器的再使用率从三年前的4.3±3.0次增至17.2士9.8次,从而减少了物资消耗和降低了透析费用。空心纤维透析器能否多次使用,主要取决于清洗、消毒措施的可靠性和再使用时透析器所保持的对水分、氮质和中分子量尿毒物质的清除能力。本文就反向冲洗和次氯酸钠福马林二度消毒的处理方法,对透析器再使用的可行性的临床和实验室监测进行讨论。

Two hundred and fifteen patients with end-stage renal disease were treated with continuous ambulatory peritoneal dialysis (CAPD) from 1979 to 1989. After treatment patients were markedly improved. CAPD provided stable blood concentrations of electrolytes and nitrogenous waste products. Peritoneal clearance of middle molecules was 1 329.3± 724.1 per week. Hypertentsion was controlled well. All cases received CAPD for 1679 patient's months, and three have maintained CAPD therapy more than G years. The patients...

Two hundred and fifteen patients with end-stage renal disease were treated with continuous ambulatory peritoneal dialysis (CAPD) from 1979 to 1989. After treatment patients were markedly improved. CAPD provided stable blood concentrations of electrolytes and nitrogenous waste products. Peritoneal clearance of middle molecules was 1 329.3± 724.1 per week. Hypertentsion was controlled well. All cases received CAPD for 1679 patient's months, and three have maintained CAPD therapy more than G years. The patients more then 60 years old were 13.5%, for those with diabetic nephropathy 6.97%. Twenty-seven patients performed CAPD at home by themselves. There were 20 patients who discontiued dialysis due to their condition taking a favourable turn. Sixty-three cases were transfered to hemodialysis, 53 cases died, 73 episodes of peritonitis occurred, and this was an incidence of 1 every 23 patient's months. Levels of μ2-microglobulin on CAPD patients were elevated (64.27 ± 5.92 mg/L). Peritoneal clearance of this protein on CAPD amounts to 67.51 ±5.4 mg/day. This is rather low compared to about 150 mg/day filtered. Serum albuminum and plasma parathyroid hormone levels in CAPD patients (111.25 ±73.6 μg/L, 42.0 ± 110.98 ng/L respectively) were much higher than those of normal control group (37.8 ±5.3 μg/L, 20.67 ± 4.00 ng/L, respectively). Obesity and hypertrig-lyceridemia were only 2.33%, which was much lower than those of foreign reports. Other complications of CAPD included: tunnel infection (21) abdominal hernias (5), protein malnutrition (3).

总结10年来接受CAPD治疗患者215例,平均年龄40.8岁,60岁以上20例,糖尿病肾病15例。治疗后心身安宁、血液生化明显改善。共透析了1679个病人月,6年以上4例,4~6年3例。中分子物质、β-2的-微球蛋白的清除量分别为1329.3士724/周和67.51士5.4 mg/d,均优于血液透析。本组血铝、甲状旁腺素均明显高于正常值,提示今后应继续探索。腹腔感染率为1次/23个病人月;糖尿病肾病为1次/18.4个病人月;老人组1次/15个病人月,较10年前明显减少,总结了改进B型接头接卸装置及采用了1%洗必泰消毒接头的经验。作者推荐用浸玻片培养法监测腹膜炎的发生,可早期诊断并提供早期治疗的依据,此外,还提出其他并发症的防治方法。

In April 1995, a study on the effect of metabolites released from Pearloyster Pinctada martensi (collected from the experimental site) on the growth of redalga Kopaphycus alvarezii (collected from Lingshui County, Hainan lsland) wasconducted at the Hainan Tropic Marine Biology Experimental Station, ChineseAcademy of Sciences. Laboratory study and in situ experiments were carried out. Inthe laboratory experiment pearl oysters were placed for 6 hours in sterilized seawaterin a glass container and the concentrations...

In April 1995, a study on the effect of metabolites released from Pearloyster Pinctada martensi (collected from the experimental site) on the growth of redalga Kopaphycus alvarezii (collected from Lingshui County, Hainan lsland) wasconducted at the Hainan Tropic Marine Biology Experimental Station, ChineseAcademy of Sciences. Laboratory study and in situ experiments were carried out. Inthe laboratory experiment pearl oysters were placed for 6 hours in sterilized seawaterin a glass container and the concentrations of NH4-N, NO3 -N and NO2-N wereanalysed after the removal of the Pearl oysters. The alga was then placed for 1h inthe Pearl oyster treated seawater. After removal of the alga the concentration of thethree nitrides were analyzed again. The alga was placed in cages suspended under afloating raft in the open sea and increase in fresh weight was measured. Theexperiments were repeated on day 1, 4, 7, 10 and 13. The experimental resultsshowed that after one day in the Pearl oyster treated seawater, NH4-N was the maincomponent (0.244mmol / L), NO3-N the secondary (0.188 mm0l / L) and NO2-N thesmallest (8.8 x 10 ) mmol / L), and that their absorption by alga were in the order26; 15; 1. The growth rate of test alga was much higher than that of the control. Inthe simulation expenment. because the added amount of the three nitrides were equalto the amounts naturally released by pearI oysters, their growth rate approached that ofalga in the experimental group. These resultS showed that the three nitrides releasedby Pearl oyster were the main cause of the high growth rate of the alga. K.alvareziican therefore be used as a nitrogenous waste remover in peari oyster farm to improvethe seawatCr quality and pearl oyster production. Since the number of sites favorableto aquacultUre are limited, it is advantageous to find ways of increasing producivitywithin existing sites. The solution to conflicting demands between development ofhighdensity mariculture and protection of a marine environment may rely on cultureand the interaction between primary producers and consumers.

于1995年4月间在海南省三亚市、陵水县分别采集合浦珠母贝和异枝麒麟菜并进行混养实验,测定贝释放的三氮(NH4-N,NO3-N,NO2-N)以及藻类对贝释放的三氮的吸收及其生长,以期探讨合浦珠母贝代谢产物促进异枝麒麟菜生长的原因。结果表明,贝释放物中以NH4-N为主,NO3-N次之,NO2-N含量较少;藻对三氮的吸收亦依此顺序递减。实验组藻体的生长速率明显高于对照组的,在模拟实验组中,通过加入无机氮使水体中NH4—N,NO3-N,NO2-N浓度与实验组贝释放后的浓度相同,藻体生点速率接近实验组的。本结果直接证明了贝释放的三氮是促进藻体快速生长的主要原因。另一方面,藻类吸收了贝类代谢产物,也优化了养殖区的生态环境。

 
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