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红色色素     
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  red pigment
     In the media containing Organic nitrogen and PO_4~(3-), the mycelial growth of Fusarium poea (3.3642 strain) were very well and produce red pigment.
     在16种培养基中含有机氮源和PO_4~(3-)的培养基上,早熟禾镰刀菌(Fusarium poea)3.3642菌株菌 丝生长很好,产生红色色素,其它培养基上不产生红色色素
短句来源
     Conclusion Fluconazole concentration of 8 μg/mL can induce penicillium marneffei to secret red pigment and 67.5-kilodalton protein in SDB at 25℃.
     结论在25℃沙氏液基中,8μg/mL氟康唑可以诱导马尔尼菲青霉菌产红色色素并分泌67.5kDa蛋白质。
短句来源
     They can use lactose, D-galactose, L-(+) arabinose, rhamnose, glucose, sucrose and D-sorbitol, and produce bright red pigment.
     它们都利用乳糖、D-半乳糖、L-(+)阿拉伯糖、鼠李糖、葡萄糖、蔗糖、D-山梨醇,生长良好并产生红色色素;
短句来源
     [WT5”HZ]Results [WT5”BZ]The CWDMs were Gram negative cocci with red pigment and 0.6~1.2μm in diameter and single or 2~4 cells were held toghther by a wall like structure but others structure, such as the nucleus and other cellular orgnelles, could not be found in the cells.
     结果伤寒杆菌和甲型副伤寒杆菌的CWDMs均为产生红色色素、直径 0 6~ 1 2 μm的革兰氏阴性圆球形态 ,单个或 2~ 4个细胞共存于一个不规则的壁样结构内 ,但未见其它结构如细胞核或其它细胞器。
短句来源
     When cultured at 25℃,the fungus was mycelia-like and produced a characteristic red Pigment, diffusing into the medium.
     在25℃培养中呈菌丝型,并产生红色色素扩散入培养基中。
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  bright red pigment
     They can use lactose, D-galactose, L-(+) arabinose, rhamnose, glucose, sucrose and D-sorbitol, and produce bright red pigment.
     它们都利用乳糖、D-半乳糖、L-(+)阿拉伯糖、鼠李糖、葡萄糖、蔗糖、D-山梨醇,生长良好并产生红色色素;
短句来源
     They also can use ammonium sulphate, carbamide, L-lysine, casein acid hydrolysate, DL-asparagine, tryptone and produce bright red pigment colony, but use badly ammonium nitrate and sodium nitrate, and produce pink pigment colony.
     在硫酸铵、L-赖氨酸、尿素、酪蛋白水解物、DL-天门冬酰胺、胰蛋白胨为氮源的培养基上生长得好并产生红色色素,而在硝酸铵、硝酸钠为氮源的培养基上则生长差和产生粉红色色素;
短句来源
  characteristic red pigment
     When cultured at 25℃, the fungus was mycelia like and produced a characteristic red pigment, diffusing into the medium.
     在 2 5℃培养中呈菌丝型 ,并产生红色色素扩散入培养基中。
短句来源
     When cultured at 25℃,the fungus was mycelia-like and produced a characteristic red Pigment, diffusing into the medium.
     在25℃培养中呈菌丝型,并产生红色色素扩散入培养基中。
短句来源
  red pigments
     The red, orange and yellow pigments were obtained by separating monascus pigments powder,their maximum absorbance were 490±5nm(red pigments),374±5nm/490±5nm(orange pigments)and 367±5nm(yellow pigments).
     对市售红曲红色素粉进行了分离 ,得到红色色素、桔红色色素和黄色色素 ,其最大吸收波长分别为 4 90± 5nm ,374± 5nm/4 90± 5nm ,36 7± 5nm。
短句来源
     The red, orange and yellow pigments were obtained by separating monascus pigments powder, their maximum absorbance were 490±5nm(red pigments), 374±5nm/490±5nm (orange pigments) and 367±5nm (yellow pigments).
     对市售红曲红色素粉进行了分离,得到红色色素、桔红色色素和黄色色素,其最大吸收波长分别为490±5nm,374±5nm/490±5nm,367±5nm。
短句来源
     Different absorption spectra, color stability, and antioxidative property existed in red pigments from Parma ham and other hams cured with nitrate or nitrite.
     巴马火腿的红色色素与添加硝酸盐或亚硝酸盐腌制的普通火腿的红色色素具有不同的吸收光谱、颜色稳定性和抗氧化性。
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  red pigment
In the upper horizons of other automorphic soils, red pigment is produced rather by Fe-containing hydroxides (feroxyhyte δFeOOH and Fe-vernadite Fe-δMnO2) than by hematite αFe2O3.
      
The red pigment cinnabar (HgS) is easily media used.
      
The red pigment cinnabar (HgS) is easily detected, whereas in the case of organic components positive results are only found where the matrices are resistant to archaeological environmental conditions.
      
Growth kinetics and red pigment production of Monascus purpureus CCT 3802 was studied.
      
Also, yeast extract probably yielded a higher proportion of red pigment associated with the cell, relative to the synthetic medium.
      
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  characteristic red pigment
The ade1 / ade2 mutants of Saccharomyces cerevisiae, when grown on adenine-limiting medium, accumulate a characteristic red pigment (ade pigment) in their vacuoles.
      
Bikaverin (C20H14O8), a characteristic red pigment ofFusarium sp., was found in the North Carolina feed samples.
      
  red pigments
It was demonstrated that subcultivated callus tissue contained red pigments of flavonoid nature.
      
Under stress cultivation conditions, yellow pigments were formed and the content of red pigments increased.
      
Yellow, orange, and red pigments are found to have absorption spectra typical of C40-carotenoids.
      
The chromophore composition of all known phycoerythrins of cyanobacteria and red algae were compared, and on the basis of this comparative study designations C1- to C5-phycoerythrin were proposed for cyanobacterial red pigments.
      
The formation of soluble Monascus red pigments is strongly positively and negatively regulated by different amino acids.
      
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  其他


Interspecific trrnsformants have been obtained with Bacillus subtilis AS1—398—28—6 (Arg~- Leu~- Rif~r Str~s) and B. licheniformis 1—807—9—9 (thr~- Ade~-Str~s Rif~r). The starting strains of parent above are being used for produing enzgmes in China, As 1—398 produces neutral protease and the others produces alkaline protease. The protoplast for transformation is prepared with lysozyme. The optimum conditions for preparing protpolast are lysozyme 250 mg/ml, pH 6.7~7.0, temperature 35℃ in SMM. The rate of breaking...

Interspecific trrnsformants have been obtained with Bacillus subtilis AS1—398—28—6 (Arg~- Leu~- Rif~r Str~s) and B. licheniformis 1—807—9—9 (thr~- Ade~-Str~s Rif~r). The starting strains of parent above are being used for produing enzgmes in China, As 1—398 produces neutral protease and the others produces alkaline protease. The protoplast for transformation is prepared with lysozyme. The optimum conditions for preparing protpolast are lysozyme 250 mg/ml, pH 6.7~7.0, temperature 35℃ in SMM. The rate of breaking wall of Cells is 99.99% and of regeneration 1~4%. The reverse frequency of donor and receptor for auxotroph and resistance is less than 10~(-9), protoplast transformation is carried out in SMM containing 30% oolyethene glycol (MW 6000) and 20mg/ml DNA at controtledtime and temperature. The transformation frequency is about 10~(-2)~10~(-5) which dependes on the rate of regeneration and the concentration of DNA when fixed other conditions.The stable rate of transformants through the first transfer is 40%. The transformants could grow in minimal medium added streptomyces 200 unit/ml and rifampin (10 unit/ml). The shape of cells of transformants is longer, long and short. The character of conditional sporatatiort of transformants have some variety. The donor is no or less sporulation and the receptor is more but some of transformants are less sporalation and some are more. Receptor could secrete red pigment in CM containing glucose and donor could not, but some of transformants are could not and some are could, these results might be to tell us that the protoplast transformation is not only a new way for transformation breeding but might be integrate longer fragment of DNA or more group of genes into protoplast.

以地衣形芽抱杆菌(Bacillus licheniformis)AS 1.807—9—9(Thr~-Ade—Str~rRif~5)的原土质体为受体,枯草芽抱杆菌(B.subtilis)ASl.398—28—6(Arg~-Leu~-Rif~rStr~s)*为供体菌,添加聚乙二醇(分子量6000)至终浓度为30%,经过一定时间的保温处理,成功地获得了芽孢杆菌的种间转化子。转化子有的是原养型,有的在含利福平(10单位/亳升)和链霉素(200单位/亳升)的培养基上能生长,也有的兼而有之。上述标记的转化频率在10~(-2)~10~(-5)之间。转化子的产芽孢性能和在含葡萄糖的完全培养基上分泌红色色素的性能亦各有差异,而受体菌是典型产芽孢和分泌红色色素的,供体菌是寡芽孢产株,亦不分泌红色色素。溶菌酶处理时间不同致使原生质体再生率有改变或供体DNA添加量不同都会影响转化频率。转化子的次代回变率约大于60%。原生质体转化可以是转化育种的一种新途径,原生质体也可能是经体外重组DNA的植入受体。

The cells containing anthocyanidin in jute (Corchorus capsularis L.) exist in the outmost layer of the cortex, just below the epidermis. The comparative number and the colour of the cells vary with different anthocyanin pigmentation patterns that resolute to the intensity and distribution of anthocyanin pigment in the plant body. One recently discovered allele A"in the allelomorphic series for pigment development in Corchorus capsularis produces brown red colour on the stem, petiole, veins, and stipule, etc....

The cells containing anthocyanidin in jute (Corchorus capsularis L.) exist in the outmost layer of the cortex, just below the epidermis. The comparative number and the colour of the cells vary with different anthocyanin pigmentation patterns that resolute to the intensity and distribution of anthocyanin pigment in the plant body. One recently discovered allele A"in the allelomorphic series for pigment development in Corchorus capsularis produces brown red colour on the stem, petiole, veins, and stipule, etc. in the presence of the chromogen gene C. The inheritance of anthocyanin pigmentation in Corchorus capsularis is found to be controlled by such major genes as C, A, R, as well as some modifying genes. The later may cause almost serial variation in some crosses.

圆果黄麻含花青素细胞主要分布在皮层组织最外一层细胞中。含花青素细胞的相对数量和颜色深浅决定着植株外部色素的强度与分布。遗传上不带有色素原基因C的全绿色品种,任何时候任何部位都不存在花青素细胞。六个品种(永安黄麻、闽侯白皮、红铁骨、平和竹蒿麻、古农红皮和快早红)的五个杂交组合试验表明,回果黄麻古农红皮褐红色的色素表型由复等位基因A~B所决定,其作用强度位于A~D与A~L之间,即A~D—A~B—A~L—A—a。古农红皮、红铁骨和闽侯白皮的基因型分别为CCA~BA~Brr、CCAArr和CCaarr。圆果黄麻花青素的遗传除了受C、A、R三对主效基因控制外,还涉及到修饰因子。

Cercospora oryzae Miyake is the pathogen of the narrow brown leaf spot of rice. Twenty four isolates were screened by the bioassay of root growth inhibition for toxin production. The majority of culture filtrates exhibited the inhibitory effect on the radicle growth of rice seeds. Six isolates: I-16, I-26, I-28, I-38, I-42 and I-49 were selected for further study. Potato sucrose broth plus 10% rice juice (PSBE) favored isolate growth and toxin production. The ranges of optimum temperature and pH for growth were...

Cercospora oryzae Miyake is the pathogen of the narrow brown leaf spot of rice. Twenty four isolates were screened by the bioassay of root growth inhibition for toxin production. The majority of culture filtrates exhibited the inhibitory effect on the radicle growth of rice seeds. Six isolates: I-16, I-26, I-28, I-38, I-42 and I-49 were selected for further study. Potato sucrose broth plus 10% rice juice (PSBE) favored isolate growth and toxin production. The ranges of optimum temperature and pH for growth were 25—30℃ and pH 6—7 respectively. Light and aeration could stimulate growth. Temperature, light and aeration had no effect on the toxicity of the culture filtrates. The culture filtrates from culture at pH 6—7 showed the highest toxicity to radicle growth. The highest toxicity of culture filtrates occurred on the third week after inoculation, while the growth peak for most of isolates were on the fourth week. Partial characterization of the toxin was undertaken. The results illustrated that 6 isolates were capable of producing red pigment and yellow substance. Bed pigment was identified as cercosporin by thin layer chromatography, visible spectrum analysis and color reaction. Culture filtrates and cercosporin solution could inhibit the radicle growth on the seeds of different rice varieties and 4 crops (mungbean, sorghum, cowpea and corn). It also could induce chlorosis and necrosis on the injured leaf surface of rice seedings regardless of the varietal resistance, susceptibility, and seedling age.

水稻尾孢霉(Cercospora oryzae)是水稻条叶枯病的致病菌。24个菌株用抑制稻种胚根生长生物测定法进行产毒筛选。大部分菌株培养滤液对胚根生长有抑制作用。6个菌株:I-16,I-26,I-28,I-38,I-42和I-49选为进一步试验的菌株。添加10%稻叶汁马铃薯蔗糖培养液适于菌株的生长和产毒。生长适宜的温度和pH范围分别是25°-30℃和pH 6—7,光线和通气可促进菌株生长,但温度、光线和通气对培养滤液的毒性无影响,pH6—7的培养滤液毒性最强。接种后3周的培养滤液表现强毒性。多数菌株生长高峰出现在第4周。对水稻尾孢霉毒素进行了初步鉴定。结果表明菌株都能产生红色色素和黄色物质,红色色素经薄层色谱,可见光谱分析和颜色反应证明与尾孢霉毒素相同。培养滤液和尾孢霉毒素提取物能抑制稻种和4种作物种子胚根生长,并能在损伤稻叶上引起褪绿和枯死。这一作用与稻秧的品种抗性和秧龄无关。

 
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