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杂交系
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  “杂交系”译为未确定词的双语例句
     3. 30 random primers which could amplify polymorphic and clear bands were selected out for RAPD analysis of lily among 125 primers through
     3.用125个随机引物对10份东方百合杂交系栽培种进行了RAPD分析,成功地筛选出了30个适合于百合RAPD分析的随机引物,这些引物可以扩增出丰富清晰的条带。
短句来源
     Hybridized families of bay scallop Argopecten irrandians irradians between Stock A and Stock B, which are separated from each other were established by using the pair mating and self-fertilized families were used as control groups at the spring of 2002. The experiments consisted of AA (A♀×A♂), BB(B♀×B♂), AB(A♀×B♂) and BA (B♀×A♂) groups.
     2002年春季,利用国内现有的海湾扇贝两个不同遗传背景的养殖群体A和B的种贝为材料,采用自体受精和异体受精两种交配策略,建立了海湾扇贝的自交系和杂交系。 实验由AA(A♀×A♂)、BB(B♀×B♂)、AB(A♀×B♂)、BA(B♀×A♂)四个组组成。
短句来源
     The leaf,petiole of the oriental lily hybrids,Sissi was in vitro cultured.
     对东方百合杂交系(Orientalhybrids)中西西(Sissi)品种的叶片、叶柄进行了离体培养研究。
短句来源
     4.According to the 3-year experimental results,the hybrid lines, 5414-5 and 5414-8,were found to be hetter than their parents,Triumph 100 and Yoliow Sweet Potato,in yield.
     4.根据三年试验结果,发现二个杂交系,即5414——5和5414——8,在块根产量上比亲本胜利百号及黄薯都高。
短句来源
     Ten traits from 9 lily cultivars of Asian and longiflorum sections were analyzed by correlation and principal component analyses.
     采用多元统计分析方法,对亚洲百合杂交系和麝香百合杂交系的共9个百合栽培品种的10个主要数量性状进行了性状相关及主成分分析。
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  相似匹配句对
     Studies on the Growth Rate of Two-line Hybrid Rice
     两杂交稻生长率的研究
短句来源
     Quality breeding in three-line hybrid rice
     三杂交水稻优质育种
短句来源
     This EAI system is
     该平台
短句来源
     northern hybridization.
     Northern杂交
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     C-injective S-acts
     C-内射S-
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  hybrid strain
In murinein vitro fertilization (IVF) and embryo development trails, a total of 426 oocytes from C57,BL/6 and F1 hybrid strain (CD1 × C57BL/6 cross) of 12 female mice were used in 3 independent trails.
      
Compared with the F1 hybrid strain the parental inbred strains DBA 2 J and C3H/Tif demonstrated a certain resistance to streptozotocin.
      
Among the four strains of Pleurotus tested, hybrid strain A was found to degrade flax shive faster than the other three strains.
      
A hybrid strain, WR1313, which uses chlorobenzene as the growth substrate, was obtained by mating the benzene-growing Pseudomonas putida strain F1 with strain B13, a Pseudomonas sp.
      
TK-2, a hybrid strain isolated by conjugative in-vivo gene transfer.
      
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  hybrid line
A new class of ribosomal DNA repeat, absent in parental species, was found in hybrid line NtAb-1.
      
Characterisation of a cytoplasmic male-sterile hybrid line between Lycopersicon peruvianum Mill.
      
Each F1 hybrid line was backcrossed by hand onto the B.
      
Two quality-associated HMW glutenin subunits in a somatic hybrid line between Triticum aestivum and Agropyron elongatum
      
High-molecular-weight glutenin subunits (HMW-GSs) from hybrid line II-12 between wheat (Triticum aestivum L.) and Agropyron elongatum (Host) Nivski were characterized with SDS-PAGE.
      
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The headblight or scab of wheat caused by Gibberella zeae (Schw.) Petch.has in recent years become more prevalent in the rice-wheat growing area ofEastern China with two heavy epidemics in 1952 and in 1954.It was reportedfrom this area that wheat varieties showed marked differences in their susceptibilityto headblight and that native varieties in general were less susceptible than theimproved ones.It was also reported that the degree of susceptibility appeared tobe related to the stage of host development.In...

The headblight or scab of wheat caused by Gibberella zeae (Schw.) Petch.has in recent years become more prevalent in the rice-wheat growing area ofEastern China with two heavy epidemics in 1952 and in 1954.It was reportedfrom this area that wheat varieties showed marked differences in their susceptibilityto headblight and that native varieties in general were less susceptible than theimproved ones.It was also reported that the degree of susceptibility appeared tobe related to the stage of host development.In 1952,varieties with earlier date ofheading were generally less susceptible than those which headed late. Varietal tests for the headblight resistance were made in Nanking in 1952and 1954.In 1952,235 varieties and hybrids were studied for their resistance toscab under natural conditions in the field.Great differences were found in theirdegree of infection,although none of them was immune.The percentages of in-fected heads ranged from 0.9 to 89.1 with most of them having 10 to 40% infec-tion.No definite correlation was seen between the percentage of infection andthe date of heading or of maturing.In 1954,tests on varietal resistance to scabwere again made with 40 varieties and hybrids including those being relatively lesssusceptible in the previous test.Attempts were made to induce epidemics in thefield by means of artificial inoculation.Results indicated that both mycelial andconidial suspensions were similarly effective for artificial inoculation.The averagepercentages of infected heads in the inoculated plots ranged from 4.2 to 77.7 incontrast to the uninoculated plots where the average percentages of infected headsbeing only trace to 7.1 with one variety not infected. From the experimental results obtained in 1952 and 1954,it was found thatrelative stability in resistance to headblight existed among different wheat varie-ties,although there was great variation in varietal resistance due to the effect ofenvironmental factors.Two hybrids,"5201" and "5204",were found to be muchmore resistant than all other varieties tested in both years.Hybrid "5204" gave ??0.9% of infected heads in 1952 and 3.4% in 1954,and hybrid "5201" gave5.5 and 9.0% of infected heads in the respective years.Both hybrids also possessother desirable characteristics such as early maturity,relative high yield,stiffystems,and high resistance to the stripe rust. Greenhouse studies were made in 1954 with two susceptible varieties ofwheat for testing their susceptibility to headblight at six different stages of deve-lopment from shooting to hard dough.Results indicated that the plant was sus-ceptible at all these stages of development with a tendency of being more heavilyinfected toward maturity.It was also observed that temperature had obvious effecton the degree of infection.Plants inoculated at flowering stage were more heavilyinfected when kept at 25℃ after inoculation than when kept at 15℃.However,the inoculated plants kept at 25℃ during the day and at 15℃ at night resultedin a degree of infection similar to those kept at 25℃ all the time.

(一)小麦赤微病在苏、浙、皖的稻麦两熟地区经常严重发生,1952及1954年两度猖獗流行,造成苏南及浙江地区小麦生产上的严重损失。通过调查,发现各地小麦品种对病害的反应确有显著差异。地方品种,一般发病较轻,而改良品种如“2905”、“2419”、“玉皮”、“矮立多”等,常常严重地感染病害。(二)1952年在自然情况下,观察此较235个小麦品种结果,虽没有一个品种不发病,但品种间的发病率相差极大,自0.9%至89.1%,而不同品种感染程度的轻重与抽穗期及成熟期的早迟关系不大。(三)1954年大田人工接种结果,效果显著,供试40个品种接种区的最高发病率达77.7%,而自然感染区的最高发病率只有7.1%。在接种试验中,初步证明:(1)大量有效的病原体与适合病害发生的气候因子同是病害流行的主要条件;(2)接种方法,用菌丝体接种与用分生孢子接种的效果,并无多大差别;(3)品种的抽穗先后,与发病轻重无一定关系。(四)温室试验指出,小麦自抽穗至糊熟各期麦穗被害率相似,但小穗的被害率在抽穗期最低,开花以后,有愈近成熟感染程度愈重的趋势。(五)开花期接种后的小麦,置於25℃的麦穗被害率和置於15℃的相似,但前者的小穗被害率此后...

(一)小麦赤微病在苏、浙、皖的稻麦两熟地区经常严重发生,1952及1954年两度猖獗流行,造成苏南及浙江地区小麦生产上的严重损失。通过调查,发现各地小麦品种对病害的反应确有显著差异。地方品种,一般发病较轻,而改良品种如“2905”、“2419”、“玉皮”、“矮立多”等,常常严重地感染病害。(二)1952年在自然情况下,观察此较235个小麦品种结果,虽没有一个品种不发病,但品种间的发病率相差极大,自0.9%至89.1%,而不同品种感染程度的轻重与抽穗期及成熟期的早迟关系不大。(三)1954年大田人工接种结果,效果显著,供试40个品种接种区的最高发病率达77.7%,而自然感染区的最高发病率只有7.1%。在接种试验中,初步证明:(1)大量有效的病原体与适合病害发生的气候因子同是病害流行的主要条件;(2)接种方法,用菌丝体接种与用分生孢子接种的效果,并无多大差别;(3)品种的抽穗先后,与发病轻重无一定关系。(四)温室试验指出,小麦自抽穗至糊熟各期麦穗被害率相似,但小穗的被害率在抽穗期最低,开花以后,有愈近成熟感染程度愈重的趋势。(五)开花期接种后的小麦,置於25℃的麦穗被害率和置於15℃的相似,但前者的小穗被害率此后者高。日间25℃和夜间15℃交替的变温处理,发病情形与始终置於25℃的相近。(六)不同小麦品种对于赤微病具有相对稳定的抵抗性或感染性。“5201”及“5204”等杂交系,在自然感染和人工接种情形下,发病都很轻微,并且具有早熟、丰产、秆硬和高度抵抗条锈等优良特性。

1.This paper includes two parts,namely the study of flowering biology and crossing technique in sweet potato,and the 3-year experi- mental results of several hybrid lines, 2.When a “short-day”condition of 8 hours was provided,sweet potato plants flowered about 10-25 days earlier than that under natural condition in Foochow.However,it varied with different varieties, different stages of treatment and environmental factors. 3.The percentage of cross-fertility,based on more than 1000 crosses we made during a 4-year...

1.This paper includes two parts,namely the study of flowering biology and crossing technique in sweet potato,and the 3-year experi- mental results of several hybrid lines, 2.When a “short-day”condition of 8 hours was provided,sweet potato plants flowered about 10-25 days earlier than that under natural condition in Foochow.However,it varied with different varieties, different stages of treatment and environmental factors. 3.The percentage of cross-fertility,based on more than 1000 crosses we made during a 4-year period,was about 45%.It seems that “mixed-pollination” and “repeated pollinaation”tended to increase the percentage of cross-fertility. 4.According to the 3-year experimental results,the hybrid lines, 5414-5 and 5414-8,were found to be hetter than their parents,Triumph 100 and Yoliow Sweet Potato,in yield.The hybrids were also superior to their parents in vine production.It seems that the hybrids were more adaptaple to environment conoitions than their parents. 5.The problem regarding the choice on combinations of parental pairs is discussed.The principle of choosing psrental pairs from geo- graphically distant locaties,propossd by I.V.Michurin,is a guide to sove this problem.A great number of hybrid lines are undergoing study.

1.本文包括两部分,即甘薯开花生物学和有性杂交技术的研究及几个杂交系的三年试验结果。2.当给以8小时短日条件,甘薯植株比在福州自然条件下的提早开花10——25天。但因品种、处理时期及环境条件而不同。3.根据四年来杂交一千余朵花的结果,甘薯杂交成功率约为45%。混合授粉及重复授粉似乎有增加杂交成功率的趋势。4.根据三年试验结果,发现二个杂交系,即5414——5和5414——8,在块根产量上比亲本胜利百号及黄薯都高。在蔓的产量上,杂交系亦比较亲本为优。而且这两个杂交系似乎比亲本具有较大适应不同环境条件的能力。5.关于选择亲本组合的问题曾加以讨论。米丘林所提出关于选择远地亲本的原则,对于这个问题的解决具有指导的作用。许多杂交系尚在继续研究中。

This paper reports Fc receptor function of peritoneal macrophages from mice being at different immunologie status using EA-rosette assay. It was shown that the percentage of EA-rosette formation on macrophages from outbred mice is higher than that from C57BL strain mice of the same age, and the percentage obtained from younger C57BL mice is also higher than that which from old ones; Peritoneal macrophage Fc receptor function varies with the immunologie status of the organism. So that macrophage Fe receptor assay...

This paper reports Fc receptor function of peritoneal macrophages from mice being at different immunologie status using EA-rosette assay. It was shown that the percentage of EA-rosette formation on macrophages from outbred mice is higher than that from C57BL strain mice of the same age, and the percentage obtained from younger C57BL mice is also higher than that which from old ones; Peritoneal macrophage Fc receptor function varies with the immunologie status of the organism. So that macrophage Fe receptor assay could be regard as one of the measures of immunologie status of the organism.It was found that the percentage of EA-rosette formation of macrophages is significantly elevated by C. parvum injection, and the phagocytic activity of these macrophages is increased as well. The phagocytic activity per cell is much increased especially in the condition of opsonic phagocytosis. It was concluded that C. parvum activated maerophage couli promote its Fc receptor function and become much more active in opsonic phagocytosis.

本文对不同免疫水平的小鼠腹腔巨噬细胞作了 EA-花环试验。发现Fc受体功能在昆明杂交系小鼠比近交系C_(57)BL 的同年龄小鼠活跃,而在C_(57)BL系小鼠中,年青动物的Fc受体功能又较老年鼠强,从而证明小鼠腹腔巨噬细胞的Fc受体功能状态可随机体的免疫水平变化而发生改变,因此,对巨噬细胞 Fc受体的观察可作为衡量机体免疫水平的实验指标之一。 当小鼠腹腔巨噬细胞被厌氧棒状杆菌菌苗激活后,发现其 EA-花环形成百分率明显上升,而且吞噬活性也明显增强,尤其是在抗体调理吞噬反应中,还表现出单位细胞吞噬能力的显著提高,这说明菌苗激活的巨噬细胞可促进其表面 Fc 受体的功能,进而使巨噬细胞在调理吞噬反应中变得更为活跃。由此可见,提高巨噬细胞 Fc 受体的功能,对其功能的发挥具有积极意义。

 
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