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media
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  培养基
    A STUDY ON THE PRESERVATION OF MOTHER CULTURE MEDIA OF EDIBLE RUNGI
    保藏食用菌几种母种培养基的研究
短句来源
    axillary buds were induced successfully on MS basal media supplemented with 6-BA(2.5 mg·L-1) and 2.4-D(0.5 mg·L-1);
    芽诱导培养基为1/2MS+6-BA2.5mg·L-1+2.4-D0.5mg·L-1;
短句来源
    The best basic media for the dedifferentiation were N6 and B5.The best medium for bulbulet induction from callus was MS+ 0.1-0.5 mg/L NAA +2.5 mg/L BA+KT 2.5 mg/L+10% sucrose+0.7% agar.
    外植体分化的基本培养基以N6、B5为佳。 愈伤组织诱导小鳞茎的最佳培养基为MS+0.1~0.5mg/LNAA+2.5mg/LBA+2.5mg/LKT+10%蔗糖+0.7%琼脂。
短句来源
    Studied on tissue culture and rapid propagation of Ageratum houstonianum Mill. The results showed that the best explant in tissue culture was leaf. The best media for each stages were as follows: (1) Callus inducing medium: MS+6-BA1mg/L+NAA0.5mg/L;
    对藿香蓟组培快繁技术进行了研究,结果表明:叶片为组织培养的最佳外植体,各培养阶段适宜培养基为:诱导愈伤组织培养基:MS+6-BA1mg/L+NAA0.5mg/L;
短句来源
    The optimum combination of three factors with their levels in the media for regenerating of adventitious buds was confirmed as:MS with nitrogen ratio(NH+_4∶NO+_3) =2∶0+6-BA 2.0 mg/L+NAA 0.1 mg/L.
    3因素水平的最佳不定芽再生组合为:氮形态比例(NH4+∶NO3-)=2∶0,6-BA 2.0 mg/L,NAA 0.1 mg/L的MS培养基.
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    Effects of Water Supply Status in Media on Growth Characters of Tomato and Sweet Pepper Potting Seedlings and Study on Some Adaptive MEchanisms
    基质供水状况对番茄、甜椒穴盘苗生长特性的影响及其适应机制研究
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    Studies on the Changes of pH Value After Lime is Added to the Cottonseed Coat Culture Media
    棉籽壳培养料添加石灰后PH值变化动态的研究
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    A STUDY ON BALANCED FERTILIZATION FOR PEPPER SEEDLING MEDIA
    辣椒育苗基质配方施肥的研究
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    Effect of temperature, light and media on growth of Phalaenopsis:
    温度、光照及栽培基质对蝴蝶兰生长发育的影响
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    Analysis on synthetical effect of all ecological indices showed that in soil compounded media, compounded medium with 0.5~1 mm and 4~6 mm crumb rubber was better than 1~2 mm and 2~4 mm.
    通过对各生态指标综合效应分析,结果表明壤土组配基质中,胶粒粒径为0.5~1mm与4~6mm组配基质要好于1~2mm和2~4mm组配基质;
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  media
A Fast, Bandlimited Solver for Scattering Problems in Inhomogeneous Media
      
The numerical treatment of two-dimensional scattering in inhomogeneous media
      
PRODUCTION OF ANTIBACTERIAL AND ANTIFUNGAL METABOLITES BY STREPTOMYCES VIOLACEUSNIGER AND MEDIA OPTIMIZATION STUDIES FOR THE MAX
      
Plane elastic problems of different media with cracks on the interface
      
The equilibrium problem for the infinite elastic plane consisting of two different media with many cracks on the interface is discussed.
      
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This is a continuation of a previous study (Li, L. Y, et al. 1951, Fukien Agr. Jour., 12(3, 4): 107-112) on the outdoor culture of straw mushroom in Fukien. The present work includes: (1) investi- gations on the analysis of fresh Fukien grown straw mushroom, (2) isolation and culture of Volvaria esculenta and our trials in using pure-culture spawns to grow mushroom, and (3) preliminary obser- vations made on the environmental requirements of Volvaria esculcnta The results are briefly summarized as follows: ...

This is a continuation of a previous study (Li, L. Y, et al. 1951, Fukien Agr. Jour., 12(3, 4): 107-112) on the outdoor culture of straw mushroom in Fukien. The present work includes: (1) investi- gations on the analysis of fresh Fukien grown straw mushroom, (2) isolation and culture of Volvaria esculenta and our trials in using pure-culture spawns to grow mushroom, and (3) preliminary obser- vations made on the environmental requirements of Volvaria esculcnta The results are briefly summarized as follows: 1. Our analytical work shows that the straw mushroom con- tains 92. 39% water, 206. 275mg. of ascorbic acid in 100g. of fresh mushroom, 2. 6024% sugar, 2. 6603% protein, 2. 2406% oil, and 0. 9118% ash. 2. Pure cultures of Volvaria esculenta could be readily obtained by innoculation with spores from fresh unopened mushroom. Cultures grow well on potato, corn, rice and rice-kernel husk media. 3. By employing pure-culture spawns, it takes only ten days for the first appearance of mushroom after spawnning while it takes three weeks usually if mixed cultures are used instead. The total period of mushroom production is likewise prolonged by the use of pure-culture spawns. 4. Preliminary observations indicate an atmospheric tempera- ture of 70°to 80°F., and a humidity of above 80% are favorable for the growth of straw mushroom. Production of mushroom stops when the atmospheric temperature falls below 70°F. The period of outdoor culture in Fcochow is from the latter part of April till the end of October.

本文旨在介绍草菰的营养价值,纯种培植的方法,及草菰生长状况。经分析结果,草菰的营养价值较一般蔬菜为高,尤以丙种维生素更为丰富。用纯种培植草菰较普通方法培植的不仅可以提早一半时间出菰,且产菰日期延长,菰之产量亦提高一倍。草菰生长速度从菰纽露面至菰伞平张需经过四十八小时,采为食用,以在菰疱破裂后十小时左右采收为佳。

Isolated young Ginkgo embryos were grown in vitro under aseptic condition in a basic agar medium containing sucrose, mineral salts, 4 vitamins and glycine. In one series of experiments 3% aqueous extract of Ginkgo female gametophyte and 0.1ppm IAA were also added. The bee royal jelly at different concentrations were tested for its effect on the differentiation and development of the young embryos. The young embryos above 1.5mm in length with differentiated cotyledons grew normally or produced callus-like growth...

Isolated young Ginkgo embryos were grown in vitro under aseptic condition in a basic agar medium containing sucrose, mineral salts, 4 vitamins and glycine. In one series of experiments 3% aqueous extract of Ginkgo female gametophyte and 0.1ppm IAA were also added. The bee royal jelly at different concentrations were tested for its effect on the differentiation and development of the young embryos. The young embryos above 1.5mm in length with differentiated cotyledons grew normally or produced callus-like growth on the basic medium as well as on the media with the royal jelly added. Part of the young embryos above 1 mm but without differentiation of cotyledons may continue their normal differentiation and development on the media containing the royal jelly while not one embryo of the same size range can grow normally on the basic medium. Young embryos below 1 mm usually showed little growth and died after three weeks of culture. The most effective concentration of bee royal jelly is about 400 ppm. It appears that some substances which affect the normal differentiation and growth of young Ginkgo embryos are present in the bee royal jelly.

沒有分化出子叶的銀杏幼胚进行离体无菌培养,在含有无机盐,蔗糖,四种維生素及甘氨酸(在試驗5中并加入銀杏雌配子体提取液及0.1ppm IAA)的琼脂培养基中,不能进行正常分化。接种时已分化子叶的幼胚,在培养基上可以繼續生长或者引起愈伤組織似的生长。在基本培养基中加入蜂皇浆时,一部分未分化的幼胚可以得到正常分化发育,但小于1毫米的幼胚,仍不能生长,經过三个星期培养后即先后死亡。比較合适的蜂皇浆浓度是400ppm左右。看来蜂皇浆中含有某些营养及刺激生长的物质,这些物质对于銀杏幼胚的器官分化和正常发育起一定的作用。

The proper time for anther culture of Brassica Pekinensis Rupr.plant in vitro is uniucleate-early binucleate stage. The culture media used for induction are MS or B5 , supplemented with different concentrations of 2,4-D;NA A;Kinetin(or 6-BAP)., adenine and sucrose.The culture media used for differentiation are MS or B5 , supplemented with 6-BAP 2mg./l. and sucrose 1.5%, and that used for rooting is White, with IAA 0.2 mg./l. NAA0.05mg./l and sucrose 1.5%. A lot of pollen plantlets have been obtained....

The proper time for anther culture of Brassica Pekinensis Rupr.plant in vitro is uniucleate-early binucleate stage. The culture media used for induction are MS or B5 , supplemented with different concentrations of 2,4-D;NA A;Kinetin(or 6-BAP)., adenine and sucrose.The culture media used for differentiation are MS or B5 , supplemented with 6-BAP 2mg./l. and sucrose 1.5%, and that used for rooting is White, with IAA 0.2 mg./l. NAA0.05mg./l and sucrose 1.5%. A lot of pollen plantlets have been obtained.

采用花粉发育时期为单核至双核初期的白菜(Brassica Pekinensis Rupr.)花药进行离体培养。诱导产生愈伤组织的培养基为:B_5、MS,附加不同浓度的2,4-D、NAA、KT(或6BAP)、腺嘌呤,温度为32~24℃。诱导愈伤组织分化的培养基为:B_5(或MS)+6BAP 2毫克/升+蔗糖1.5%,温度为24~17℃。生根培养基为White+NAA 0.05毫克/升+IAA 0.2毫克/升+蔗糖1.5%。已在多种品种(组合)上获得较大量的花粉植株,为进一步开展单倍体育种提供了试材。 小植株根尖、幼叶体细胞染色体镜检n=10,为单倍体植株。

 
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