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土壤放线菌     
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  soil actinomycetes
     A Study on Resources and Application of Soil Actinomycetes from the Eastern Part of Qinghai Plateau
     青海高原(东部)土壤放线菌资源及应用研究
短句来源
     A Study on Resources and Application of Soil Actinomycetes from the Western Part of Qinghai Plateau
     青海高原(西部)土壤放线菌资源及应用研究
短句来源
     A Study on Resource and Application of Soil Actinomycetes from Southeastern of Xizang
     藏东南地区土壤放线菌资源调查及应用研究
短句来源
     Of the 446 soil actinomycetes, 5 strains crude extracts have antitumor activities and 2278* was isolated further.
     利用该方法对446株土壤放线菌进行筛选,发现5株活性菌株,2278~#菌株具有较强的抑制活性。
短句来源
     This paper established a screening method of soil actinomycetes metabolites for inhibition on K562 cell line but weak effects on normal Vero cell line by MTT assay in vitro.
     本文选择我国边远地区土壤放线菌,利用K562(慢性髓系白血病细胞)作为靶细胞,以Vero(非洲绿猴肾细胞)为正常对照细胞,建立一种适合较大量样品处理及筛选方法,筛选具有选择性抑制作用的微生物代谢物。
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  soil actinomyces
     In most stages, the acid rain of which pH values were below 4.0 had significant inhibition on the number of soil actinomyces.
     在绝大多数生长时期,pH4.0及以下酸雨处理对花生土壤放线菌数量具有较大的抑制作用;
短句来源
     In most stages, the acid rains whose pH values were below 4.0 have significant inhibition on the number of soil actinomyces.
     在绝大多数生长时期,pH 4.0及以下酸雨处理对花生土壤放线菌数量具有较大的抑制作用;
短句来源
     Objective: To establish a method in vitro, suitable for screening large amount of microbial metabolites inhibiting K562 cell line,screening the metabolites of soil actinomyces inhibiting K562 cell line but having weak effects on normal Vero cell line in vitro.
     目的 :建立一种适合较大量微生物代谢物抑制K5 6 2细胞生长的体外筛选方法 ,筛选对K5 6 2细胞具有抑制作用 ,而对正常细胞Vero无明显抑制作用的土壤放线菌提取物。
短句来源
     The results showed that multiple-cropping forage rape with wheat could significantly increase soil microbial biomass C(C_ mic),soil microbial biomass N(N_ mic),soil bacteria number(SBN),soil fungi number(SFN)and soil actinomyces number(SAN),but decrease soil microbial biomass C/N(C_ mic/N_ mic).
     结果表明,复种油菜能显著或极显著性提高耕层土壤微生物量碳(Cmic)、土壤微生物量氮(Nmic)、土壤细菌数(SBN)、土壤真菌数(SFN)和土壤放线菌数(SAN),而显著降低土壤微生物量碳/氮比(Cmic/Nmic).
短句来源
     But the soil actinomyces descend with the increase of the soil organic matter, available N and available P.
     土壤放线菌则与土壤有机质、速效氮、速效磷含量呈负相关。
短句来源
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  soil actinomycete
     A STUDY ON THE ECOLOGICAL DISTRIBUTION OF SOIL ACTINOMYCETE IN YUNNAN
     云南土壤放线菌生态分布的研究
短句来源
     Studies on Application of Inhibitor in Isolation Soil Actinomycete
     土壤放线菌分离中抑制剂的应用研究
短句来源
     In this paper we isolated active compounds from soil actinomycete No. 1146 collected in Yunnan Porvince for suppression on K562 cell growth.
     本实验选用我国边远地区土壤放线菌1146菌,筛选具有选择性抑制K562细胞生长的微生物代谢物。
短句来源
  “土壤放线菌”译为未确定词的双语例句
     The quantity of soil antinomies increases by 16.01%, 54.01 %, 49.0%, and 49.8% respectively in the same time points. Accordingly, the average of height&weight of treatment group B increases by 35.22% and 34.97% respectively during the last period of seedling stage of the tomato.
     土壤放线菌数量分别增加16.01%、54.01%、49.0%和49.8%,相应地,处理B在番茄苗期最后试验测定时平均株高和平均株重变化也较为明显,比对照分别增加35.22%和34.97%。
短句来源
     Soil polyphenol oxidase activity had a significant negative correlation with invertase activity,but a positive correlation with the total amount of microbes and the quantity of bacteria,fungi and actinomyces.
     土壤的蛋白酶活性与蔗糖酶活性呈显著正相关,与土壤放线菌数量呈显著负相关; 多酚氧化酶活性与蔗糖酶活性呈显著负相关,与细菌、真菌、放线菌以及微生物总数呈显著正相关;
短句来源
     Application Study on Soil Microflora and Actinomycetes Resources of the Wheat and Corn under the Different Culture Mode in Dryland of Northwest
     西北旱地不同栽培模式下小麦玉米土壤微生物区系及土壤放线菌资源应用研究
短句来源
     The proportion of anctinomycete to fungus in rhizosphere and root surface increased by 4.75 and 8.25 times respectively in first-planting treatment, while the numbers were 42.6% and 1.26 times in replanting treatment.
     连作处理根表和根际土壤放线菌与真菌总量比增高了42 6%和1 26倍,正茬则增高了8 25倍和4 75倍。
短句来源
     Study on the Method of Actinomycetes Isolation from Soil
     土壤放线菌分离方法研究
短句来源
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  soil actinomycetes
The Ability of Soil Actinomycetes to Develop at an Extremely Low Humidity
      
The polyene antibiotics, a category that includes nystatin, pimaricin, amphotericin, and candicidin, comprise a family of very promising antifungal polyketide compounds and are typically produced by soil actinomycetes.
      
In assessing the ecology of soil actinomycetes, it is important to consider the degree of change in population induced by an environmental factor and also its effect on diversity, since the effects may be complementary or may be opposite in nature.
      
In order to select soil actinomycetes able to degrade this herbicide, fifty-three actinomycete strains were isolated from soil treated with alachlor using selective conditions and subjected to in vitro degradation assays.
      
Isolates of Soil Actinomycetes with Potential for Phytotoxin Production
      
更多          
  soil actinomycete
With high-altitude sagebrush, rhizosphere soil actinomycete numbers were one to four orders of magnitude higher than those found in nonrhizosphere bulk soils and different from those found with the low-altitude plants.
      
Spinosad is a reduced-risk insecticide derived as a fermentation product from the soil actinomycete Saccharopolyspora spinosa.
      
A soil actinomycete hydrolyzed collagen extracted from bovine Achilles tendon, calf skin, carp swim-bladder and rat tail tendon.
      
At about the same time, Lederle Laboratories extracted aureomycin from a soil actinomycete.
      
  其他


The experiments carried out for tow years in 1984-1985,on light loam brown wet soil cultured with poplar (Populus euramericana Dode Guinier cv. "Sacrau 79") rooted cuttings, with application of (NH4 )2 SO40 (control) , 60 (A) , 120 (B) , 180 (C) kg, N/ha each . time, 3 - 4 times every year. The results showed that the growth of poplar in (A) ranked first, 6.12m in height and 3.7cm in diameter in the second year of the experiments, corresponding to 124% and 137% of control respectively. The height and diameter...

The experiments carried out for tow years in 1984-1985,on light loam brown wet soil cultured with poplar (Populus euramericana Dode Guinier cv. "Sacrau 79") rooted cuttings, with application of (NH4 )2 SO40 (control) , 60 (A) , 120 (B) , 180 (C) kg, N/ha each . time, 3 - 4 times every year. The results showed that the growth of poplar in (A) ranked first, 6.12m in height and 3.7cm in diameter in the second year of the experiments, corresponding to 124% and 137% of control respectively. The height and diameter increments were 115% and 133% in (B) , 113% and 126% in (C) compared to control. The amount of heterotrophic bacteria in soil of (A) , (B) and control was iaearly at same level, but it decreased in (C). The amount of fungus in soil increased with increasing of fertilizer. The amount of actinomycetes in soil decreased with increasing of fertilizer. The a'mount of nitrifying bacteria ranked first in(A) , second in (B) , third .in control, the lowest in (C) . The close relationship, was found between the amount of nitrifying bacteria in soil with the growth of poplar. The amount of rhizosphere bacteria and bacteria in the surface of poplar root increased in (A) and (B) , their rhizosphere effect R ?S (root : soil) were 1.8-2.5 times of control. The respiratory intensity in soil increased by 61% over control, 9% over(C) . The nitrifying capacity in soil increased with increasing of fertilizer, ammonifying capacity in soil decreased with increasing of fertilizer. The NO3-N content in (A) and (B) both were 2C-25ppm. The NH4-N content was 164ppm and 60ppm in (A) and (B) respectively.

1984、1985两年在轻壤质褐土化潮土(苗圃地)上进行沙兰杨(Populus×euramericana Dode Guinier cv."Sacrau 79")插条苗施用硫铵的试验,共分四个处理,每次施肥量以纯氮kg/ha计算,分别为:0(对照)、60(A处理),120(B处理)和180(C处理),苗木高、径生长量以A处理最优,二年生苗高6.12米,胸径3.7厘米,比对照增加24.14%和35.53%。B和C处理苗高比对照分别增加15.21%和13.38%,胸径增加33.33%和25 92%。土壤异养细菌数量,A、B处理与对照相近似,而C处理则显著下降。土壤真菌数量随施肥量增加,土壤放线菌数量则随施肥量减少。 土壤自养硝化细菌数量以A处理最多,B处理次之,对照居第三位,C处理最少。硝化细菌的数量与苗木生长对施肥量的反应是一致的。根际细菌和杨树根面细菌数量,B和A处理有明显增加,其R∶S值(根土比)也同时比对照提高了1.8—2.5倍。土壤呼吸强度A处理比对照增加61.22%,比C处理增加9.13%。硝化作用随施肥量增加,氨化作用随施肥量增加而减少,A和B处理土壤NO_3~--N和NH_4~+-N含...

1984、1985两年在轻壤质褐土化潮土(苗圃地)上进行沙兰杨(Populus×euramericana Dode Guinier cv."Sacrau 79")插条苗施用硫铵的试验,共分四个处理,每次施肥量以纯氮kg/ha计算,分别为:0(对照)、60(A处理),120(B处理)和180(C处理),苗木高、径生长量以A处理最优,二年生苗高6.12米,胸径3.7厘米,比对照增加24.14%和35.53%。B和C处理苗高比对照分别增加15.21%和13.38%,胸径增加33.33%和25 92%。土壤异养细菌数量,A、B处理与对照相近似,而C处理则显著下降。土壤真菌数量随施肥量增加,土壤放线菌数量则随施肥量减少。 土壤自养硝化细菌数量以A处理最多,B处理次之,对照居第三位,C处理最少。硝化细菌的数量与苗木生长对施肥量的反应是一致的。根际细菌和杨树根面细菌数量,B和A处理有明显增加,其R∶S值(根土比)也同时比对照提高了1.8—2.5倍。土壤呼吸强度A处理比对照增加61.22%,比C处理增加9.13%。硝化作用随施肥量增加,氨化作用随施肥量增加而减少,A和B处理土壤NO_3~--N和NH_4~+-N含量均在20—25Ppm之间,C处理则分别为164ppm和60ppm。

An attempt was made to investigate the nature of soybean-soybean cropping on soil nutritions and microbes. The results show as:(1) The harmful effect of soybean-soybean cropping results from soybean roots being un-der uafavorable condition instead of over-consuming of some nutritions.(2)The actinomyces number in soybean-soybean rhizosphere soil is almost as much as that in corn-soybean and millet-soybean. The bacterium number in soybean-soybean rhizosphere soil is 13. 9% over corn-soybean, 14. 1% over millet-soybean....

An attempt was made to investigate the nature of soybean-soybean cropping on soil nutritions and microbes. The results show as:(1) The harmful effect of soybean-soybean cropping results from soybean roots being un-der uafavorable condition instead of over-consuming of some nutritions.(2)The actinomyces number in soybean-soybean rhizosphere soil is almost as much as that in corn-soybean and millet-soybean. The bacterium number in soybean-soybean rhizosphere soil is 13. 9% over corn-soybean, 14. 1% over millet-soybean. The superior race of actinomyces and bacteria in soybean-soybean soil is the same as that in corn-soybean and millet-soybean cropping(3)The fungus number in soybean-soybean rhizosphere soil is much more than that of corn-soybean and millet-soybean rotaion system. Fusarium is the superior rece among fungi in soybean-soybean rhizosphere soil before blooming period. Mean while, penicillium or trichoder-ma is superior race among fungi in rhizosphere soil of corn-soybean and millet-soybean.

本文从土壤养分、微生物种群数量等方面探讨了重茬大豆生长发育障碍机制,结果表明:重茬大豆生长发育障碍并非来自土壤养分的单一过度消耗。重茬大豆根际土壤放线菌数量及优势种群与正茬没有明显区别,细菌数量比玉米茬大豆多13.9%,比谷茬多14.1%,优势种群与玉米茬大豆、谷茬大豆相同。重茬大豆根际土壤真菌数量明显多于正茬,而且花期以前,重茬大豆与正茬大豆根际土壤真菌的优势种群不同,重茬大豆以镰刀菌(Fusarium)占优势,谷茬、玉米茬大豆则以青霉(Penicillum)、木霉(Trichoderma)占优势。镰刀菌对大豆根系生长发育有害,这是重茬大豆生长发育障碍的主要原因之一。

The ecological distribution of soil microorganism under the natural and artificial original Castanopsis kawakamii stands was studied.The quantity of bacterium is greater than that of all other microorganisms under both stands, the proportion of Baciluss/bacterium under artificial stand ismuch greater than that under natural stand, the total microbe, bacterium,fungi and azotobacter under the natural stand are greater than those under artiftcial stand. Penicillium and Trichoderma are the dominant species over...

The ecological distribution of soil microorganism under the natural and artificial original Castanopsis kawakamii stands was studied.The quantity of bacterium is greater than that of all other microorganisms under both stands, the proportion of Baciluss/bacterium under artificial stand ismuch greater than that under natural stand, the total microbe, bacterium,fungi and azotobacter under the natural stand are greater than those under artiftcial stand. Penicillium and Trichoderma are the dominant species over fungi, and Flavus and Albosporus are the main compositions of actinomyces, but the quantity of them under the artificial stand is greater than those under the natural stand.

本文研究了福建三明小湖天然起源和人工起源的格氏栲林下土壤微生物的生态分布。两种起源的格氏栲林下土壤微生物中细菌占绝对优势,人工林芽孢杆菌所占细菌总数比例远大于天然林;天然林微生物总数、细菌、真菌以及固氮菌等生理类群的数量均高于人工林,而且,随着坡位的下降表现为由低至高的递增趋势。青霉和木霉是土壤真菌的优势种属,链霉菌属中的白色类群和黄色类群构成了土壤放线菌的主要组分,但在天然林中的数量明显低于人工林。

 
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