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algal     
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  藻类
     The distribution and amount characteristic of plankton and benthos are: the number of algal cells ranged from 2.4 to 14×106 cell/L , average 6.43×106 cell/L;
     浮游生物和底栖动物数量和分布的特征是 :藻类细胞密度为2.4×106~1.4×107个/L ,平均6.43×106 个/L。
短句来源
     (3) The effect of the velocities on the algal growth by 0.00m/s、 0.10m/s、 0.25m/s> 0.50m/s in 25℃, is similar to the effect in 35℃.
     (3)当温度分别为25℃和35℃时,流速0.00m/s、0.10m/s、0.25m/s和0.50m/s对藻类生长过程的影响作用相类似;
短句来源
     The ratio of algal biomass(fresh weight mg/L)to COD(ppm)was estimated to be 1:0.21 (±0.05).
     藻类生物量(鲜重,mg/L)和 COD(mg/L)之比值为1:0.21±0.02。
短句来源
     Algal growth potential test indicated that Microcystis aeruginosa multiplied quickly with Zn~(2+) concentration ranging between 0.02 μg/L and 1.00 μg/L and got remarkably inhibited with Zn~(2+) concentration reaching 100.00 μg/L.
     藻类增长潜力(AGP)实验结果显示,在Zn2+浓度为0.02~1.00μg/L的液体培养基中,铜绿微囊藻的生长增殖快,Zn2+浓度达到100.00μg/L时,受到明显抑制.
短句来源
     Results The temperature of water of Hanjiang River was 19 ℃. The dominant algae was Bacillariophyta with a constetuent ratio of 72.38%, others were Chlorophyta (13.35%), Cryptophyta (9.68%), Cyanophyta (4.12%). The algal count was 1.8×10 4/L.
     结果水温为19℃ ,硅藻门为优势藻 ,占72.38% ,其余为绿藻门 (13.35 %)、隐藻门(9.68% )、蓝藻门 (4.12 % ) ,藻类计数高达1.8×104 个/L ,同时发现不计其数的硅藻空壳。
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     Under the condition of the amounts of chitosan and Fe3O4 were 1.6,4mg/L,0.5T magnetic field could effectively remove the algal number from 4.80×106cells/mL to 2.80×103cells/mL;
     结果表明,在壳聚糖用量1.6mg/L,Fe3O4用量4mg/L的情况下,通过0.5T的外磁场富集可使个数由4.80×106个/mL降为2.80×103个/mL;
短句来源
     Total amount of the algal cells was 5.9×105/L,which was much more than that(2.5×104/L)in common water period.
     细胞总数在枯水期达到5.9×105个/L,明显多于平水期细胞总数(2.5×104个/L)。
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     The results indicated that:(1) the growth of the algal cells was promoted under the low concentrations (<0.10μg/mL) of Ni but inhibited under the high concentrations (0.30-1.00μg/mL);
     ①Ni元素在低质量浓度(<0.10μg/mL)下促进细胞生长,高质量浓度(0.30~1.00μg/mL)下抑制其生长;
短句来源
     Fe 3+ overdose (>24.5μmol/L) inhibited the algal growth, but the proportions of EPA and polyunsaturated fatty acids (PUFAs) in total fatty acids achieved the highest maximum.
     当Fe3+浓度高于24.5μmol/L时,三角褐指的生长受到抑制,但EPA和多不饱和脂肪酸(polyunsaturated fatty acids,PUFAs)占总脂肪酸的比例最高。
短句来源
     RESULTS: The results showed that MCs possessed strong acute toxicity with liver as the target organ, the LD50 was estimated to be 106.7mg/kg (89.1~127.6 mg/kg, mass of dry algal cells / b.w).
     结果:毒素具有极强的急性毒性作用,LD50为106.7mg/kg(89.1~127.6 mg/kg,干细胞/体重),肝脏是其主要的靶器官。
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  藻类的
     The regressions equation in the form of R maxred /R 560 =a(chl a) b revealed that coefficient a varied from0.037to1.135and b varied from0.094to0.727.Si-multaneously this work established the relationship of the peak position of algal fluorescence with chlorophyll a concentra-tion.
     随藻类的不同,Rmaxred/R560与叶绿素a的关系发生较大的变化,其关系方程的系数a的变化范围为0.037—1.135之间,b的变化范围为0.094—0.727之间。
短句来源
     3.The promotion of sewage on algal growth: The untreated sewage from the inflow river stimulate the growth of the algae cyanobacteria Microcystis and green algae Scenedesmus, the relationship equation between the promotion rate (y) on Microcystis aeruginosa (MA) and sewage dilution rate (x) is y=3.0905x+0.0668,R2=0.9886, x=0-0.5;
     3.污水对藻类的促长作用:污水促进了微囊藻和栅藻的生长,污水对微囊藻的促长率与污水浓度的关系式为y=3.0905x+0.0668,R~2=0.9886,x值位于0和0.5之间;
短句来源
     The reagent 0145 can inhibit algal photosynthesis. The photosynthetic rate of algae exposed to 50, 100 and 200 ppm 0145 for 4 hr decreased by 15, 34 and 36% respectively.
     0145抑制藻类的光合放氧,经50,100和200ppm浓度的0145处理4h后,与对照相比,藻类的光合放氧速率分别下降15、34和36%。
短句来源
     The advances in algal immobilization in materials, methods and in it's influence on the algal physiology are presented and the applications of algal immobilization are summarized in disposing waste water, keeping water quality, preserving seed quality and obtaining biomass and metabolites.
     本文在简要介绍细胞固定化技术的基础上,从固定藻类所用材料和方法以及固定化对藻类生理的影响方面介绍了固定化藻类的研究进展,并综述了固定化藻类在污水处理和保持水质、种质保存以及获取生物量和代谢产品方面的应用前景.
短句来源
     Variations in protein-carbohydrate ratio (P/C) of biochemical composition of algal photosynthetic products could reflect its growth conditions in varied water environments.
     光和产物生化组成蛋白质与碳水化合物之比(P/C)的变化可以反映不同水体环境下藻类的生长状态。
短句来源
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  藻的
     Fe 3+ overdose (>24.5μmol/L) inhibited the algal growth, but the proportions of EPA and polyunsaturated fatty acids (PUFAs) in total fatty acids achieved the highest maximum.
     当Fe3+浓度高于24.5μmol/L时,三角褐指藻的生长受到抑制,但EPA和多不饱和脂肪酸(polyunsaturated fatty acids,PUFAs)占总脂肪酸的比例最高。
短句来源
     At the concentrations of 50,100,200,300,400,600 and 800 ppm,RE majorly inhibited the algal growth.
     结果表明,稀土浓度为50、100、200、300、400、600、800ppm时,对混合藻的生长多表现为抑制作用。
短句来源
     Results: The optimum range of iron concentration for growth was 10 -7 ~10 -6 mol/L. Within the range of iron concentration from 10 -9 to 10 -8 mol/L, the algal growth was inhibited.
     结果:尖刺拟菱形藻的最适生长铁浓度为10-7~10-6mol/L,缺铁(10-9~10-8mol/L)抑制其生长.
短句来源
     To 4.85 mg/L DBP, it might be highertoxicity of DBP that inhibited algal growth and activity of enzyme.
     DBP浓度为4.85 mg/L时可能是DBP对藻的毒性较大而抑制了藻的生长和酶的活性。
短句来源
     When extra nutrients were added,the average algal cell density in treated group was 64.4% of initial density,and 0.05% of that in control after 220 h filtering of 300 ml algal cell suspension at 0.87×10~6/mL by 5 g fresh sponge biomass.
     在有营养盐条件,5g鲜重海绵处理300 mL,藻数量为0.87×106mL-1的藻液220 h后,对照组的藻仍处于指数生长期,此时处理组藻的平均浓度仅为对照组的0.05%,为初始浓度的64.4%。
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      algal
    The early effect of HMs was manifested as a rapid (within 0.5-2 h) reduction of photoinduced oxygen release by the algal cells.
          
    nodosum are discussed considering the assumed differences in algal energy status.
          
    Most of studied species managed to survive and propagate in a wide thermal range corresponding to the thermal gradient in the peripheral zones of algal belts.
          
    The role of temperature as a factor of ecological niche separation in saprophytic Mesostigmata and formation of polydominant mite communities in the algal belts were demonstrated.
          
    Cytotoxicity effect of algal polysaccharides on HL60 cells
          
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    The investigation deals,with the nitrogen fixation of some blue-green algae isolated from the soils of rice fields.Samples of algae-bearing soils were collected from rice fields in the provinces of Hupeh,Hunan and Kiangsi.Uni-algal cultures were made first on media enriched with nitrogenous compounds to encourage vigorous growth.The uni-algal cultures were then subcul- tured onto nitrogen-free media,which effected a preliminary separation of those algae which could thrive in the absence of pre-formed...

    The investigation deals,with the nitrogen fixation of some blue-green algae isolated from the soils of rice fields.Samples of algae-bearing soils were collected from rice fields in the provinces of Hupeh,Hunan and Kiangsi.Uni-algal cultures were made first on media enriched with nitrogenous compounds to encourage vigorous growth.The uni-algal cultures were then subcul- tured onto nitrogen-free media,which effected a preliminary separation of those algae which could thrive in the absence of pre-formed nitrogenous compounds,from those which could not.The algae which showed a prolific growth on the nitrogen-free medium may be considered either to be capable of“fixing”(assimilating)atmospheric nitrogen,or that their nitrogen supply is coming from Azotobacter present in the culture.Our next step was to obtain bacteria-flee unialgal cultures. Two bacteriostatic methods were used:ultra-violet radiation from 300-watt quartz lamps,and treatment with streptomycin. Bacteriostatically treated uni-algal cultures were tested by inoculating sterile nitrogen-free media suitable for Azotobacter and allied organisms.Examination of these subcultures from the irradiated material showed that an intermittent radiation from our lamps of 5 minutes,repeated two or three times,was an effective bacteriostatic.Also,that Azotobacter and other micro-organisms were killed after treatment with 20 ppm.of streptomycin. The capacity for assimilating free nitrogen from the air was assessed by determining the quantity of nitrogenous compounds produced in the algal cells and in the medium,by means of the micro- Kjeldhal method.The nitrogen-fixing capacity has now been assessed on 4 isolated types of Blue- green Algae:HB 686(dnabaena azotica);HB 678(dnabaena azotica f.alpha);HB 670 (Anabaena variabilis forma);and HB 508 (Nostoc Linckia forma).The highest rate of fixation, amounting to 1.0146 rag.N/100 cc.of nitrogen-flee medium in 4 days,was attained by HB 686; the next,of 0.9382 mg.N,by HB 678,0.8614 nag.N,by HB 670;and 0.7592 mg.N,was produced under the same conditions,by HB 508.

    湖北、湖南和江西等地采集的稻田蓝藻经过分离、培养、缺氮培养初步找到可能固氮的蓝藻后,进一步得出了无菌的纯培养的蓝藻藻种,经过试验和用微量凯氏法测定其产生的氮量,确定了四种蓝藻系固氮蓝藻。在100毫升无菌无氮培养基中生长四天的结果测定,水生686固氮蓝藻(Anabaena azotica)、水生678固氮蓝藻(A.azotica forma a)、水生670固氮蓝藻(Anabaena variabilis forma)和水生508固氮蓝藻(Nastoc Linckia forma)的固氮量分别为1.0146、0.938、0.8614和0.759毫克。

    A study on the distribution of the green algal order Siphonocladales (except the genus Cladophoropsis) of China has been made. It is found that in China, most species of this order are confined to Hainan, the Paracels Islands and the southeastern coast of Taiwan; only a few species are occurred on the coasts of mainland and the northwestern part of Taiwan. On the continental coast, the northernmost limit of the members of this order under study lies roughly around Tungshan and Amoy (Fukien Province). This...

    A study on the distribution of the green algal order Siphonocladales (except the genus Cladophoropsis) of China has been made. It is found that in China, most species of this order are confined to Hainan, the Paracels Islands and the southeastern coast of Taiwan; only a few species are occurred on the coasts of mainland and the northwestern part of Taiwan. On the continental coast, the northernmost limit of the members of this order under study lies roughly around Tungshan and Amoy (Fukien Province). This is in general true also for many other tropical genera. The warm currents and China Coastal Current are two contributory causes of floristic changes. An analysis of the components of the Siphonocladales indicates that the marine flora of the South China Sea is characteristic of the Indo-West-Pacific.Both the palaeontological evidence of the fossil genus Pycnoporidium and the pattern of the discontinuous distribution of the modern species (see table 1) suggest that the members of this order had been widely distributed in the Tethys Sea before and in the Tertiary Period.

    管枝藻目(siphonocladales)可称为热带亚热带的代表性海藻。其分布范围对暖海海藻区系的划分及进一步的资源开发是有参考价值的。我国的管枝藻目,除Cladophoropsis属尚未调查外,共有25种(见附表1)。大多数的种类产于西沙群岛、海南岛(尤其是南部)及台湾的东南部(包括兰屿及琉球屿等)。至于台湾的西北部及大陆沿岸,则仅有少数种类出产。其他海藻之对温度要求较高者亦有类似的现象。其原因是西沙群岛及海南岛所处的纬度较低;台湾东南岸受到黑潮(高温、高盐度)的影响较大;而大陆沿岸及台湾海峡方面,尤其在冬季时,则受到大陆沿岸流(低温、低盐度)的影响较大之故。 在大陆沿岸,管枝藻目的最北生长区域为东山及厦门一带。此外,其他暖水性海藻的种类自海南岛至广东、福建沿岸而逐渐减少,有若干种类也是停业于东山、厦门一带,这是值得注意的。 由我国管枝藻目的组成成分来看,南中国海的海藻区系是印度西太平洋(Indo-West-

    During the large-scale application of nitrogen-fixing blue-green algal mixture in the late rice cultivation, we have developed a series of methods for mass cultivation and production of algal inoculum, including the cultivation in the algal nursery bed in the field, and open air mass culture of algae in the resting field between the two crops. By these procedures, more than 30 tons of algal inoculum had been produeed and were introduced into the late rice field. After strengthened management,...

    During the large-scale application of nitrogen-fixing blue-green algal mixture in the late rice cultivation, we have developed a series of methods for mass cultivation and production of algal inoculum, including the cultivation in the algal nursery bed in the field, and open air mass culture of algae in the resting field between the two crops. By these procedures, more than 30 tons of algal inoculum had been produeed and were introduced into the late rice field. After strengthened management, 990 mu of late rice fields of Xianfeng Production Brigade were fully algalized. The inoculated fields showed exuberant algal growth and no less than 500 kg of algae (fresh weight) per mu was found. Estimated by random sampling, the establishment of nitrogen-fixing blue-green algae in the inoculated rice fields amounted to about 500 tons.The algalization of the late rice cultivation made an average increase of about 10% in the grain yield, individually more than 20%, as compared with the control.Therefore, it is possible that the algalization of the late rice field by inoculation of nitrogen-fixing blue-green aglae has good prospects as a new resource of supplement fertilizer for the late rice cultivation.

    通过晚稻田大面积放养固氮蓝藻试验,我们初步提出了土池大量培养和茬口田大面积生产藻种等一系列的培养和生产藻种的技术措施;生产了30吨的鲜藻种接种到晚稻田中。经过加强管理,先锋大队990亩晚稻田全部养藻化。接种的藻生长旺盛,平均产量达到1000斤/亩以上。抽样测产估计,晚稻田中鲜藻量达到500吨。晚稻田养藻使水稻增产约10%,个别达到20%以上。因此,晚稻田放养固氮蓝藻为晚稻开辟了新的有希望的肥源。

     
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