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generative
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  生成
     The analyses of [It be XP S'] and [shi[...XP...]] in generative grammar
     [It be XP S’]和[是[...XP...]]的生成语法分析
短句来源
     Cognitive grammar, initiated by Langacker (1987, 1990, 1991) in the objection against the mainstream generative approach, has distinctive foundations, organizing assumptions and methodological principles.
     认知语法是Langacker在反对主流的生成语言学的过程中逐渐发展起来的一种语言学方法(1987,1990,1991),此方法有其特殊的理论基础、组织原则和方法论原则。
短句来源
     Zhengqiao's(郑樵) Generative Theory of Chinese Characters
     郑樵的汉字生成理论
短句来源
     ③The maturity and temperature section of line 450—612.5 at 27 Ma reveales that the depth of oil generative threshold was about 2000 meters deep,with its temperature of about 93°C ,higher than the present day′s.
     ③在距今27Ma时,二维测线L450—612.5的成熟度和温度模拟剖面显示,油气开始生成时的门限深度为2000m,门限温度为93°C,大于现今的门限深度和门限温度。
短句来源
     Through understanding the book Protestantism Ethics and the Capitalism Spirit, this paper observes Weber's capitalism spirit, Protestantism ethics and the intrinsic generative relationship between them, analyses the spiritual cause of the socalled capitalism development---Protestantism, and meanwhile criticises the onesidedness of the thoughts.
     通过对《新教伦理与资本主义精神》的解读,我们考察了韦伯思想中的资本主义精神、新教伦理以及新教伦理与资本主义精神的内在生成关系,分析了韦伯所谓的资本主义发展背后的精神动因——新教伦理,这个具有独特视角的研究经济伦理的问题,同时也对其思想的片面性进行了批判。
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  “generative”译为未确定词的双语例句
     THERMOCHEMICAL AND ELECTROCHEMICAL RESEARCH ON LEACHING AND GENERATIVE LEACHING OF Ni_3S_2 WITH FeCl_3
     Ni_3S_2的FeCl_3浸出过程和发电浸出过程探索
短句来源
     THE AUTOMATIC GENERATIVE METHODS AND TECHNIQUE OF PLAN GJB179-86
     GJB179-86方案自动生成的方法和技术
短句来源
     In traditional grammar and transformational generative grammar, with Quirk (1985) and Radford (1988/2000) taking the lead, modality is considered to be the meanings expressed by a series of modal auxiliaries as can, could, may, might, will, would, shall, should, ought, have to etc.
     以夸克(1985)和瑞德福特(1988/2000)为代表的传统语法学派和转换生成语法学派都将情态置于了助动词的范畴,即情态是一系列情态助动词,如can,could,may,might,will,would,shall,should,ought,have to等所表达的意义。
短句来源
     Compared with the control, under the treatment of higher concentration (10, 30, 50 μmol·L-1) cadmium, the generative rate of O2-, H2O2 content, MDA content, membrane electrolytic leakages increased significantly and the activities of SOD, CAT decreased during 2~6 d.
     高浓度(10、30、50μmol·L-1)Cd处理下,萌发2~6d种子中O2-产生速率、H2O2含量、MDA含量和外渗电导率显著增加,SOD和CAT活性明显下降;
短句来源
     (2) Proposes generative model based on Local Visual Primitives (LVP) for face modeling and classification.
     (2)提出了一种基于局部视觉基元(Local Visual Primitives,简写为LVP)的产生式模型,并用于人脸重建和识别中。
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  相似匹配句对
     creative and generative teaching;
     创造的、生成的教学;
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     On Functionlism in Generative Stylistics
     论生成文体学的功能主义思想
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  generative
to generative growth (flowering) are mutually related.
      
Changed temperature profile is a radical control mechanism of phosphodiesterase activity in response to the influences (red light and vernalizing temperatures) responsible for competence of various bread wheat forms for generative growth.
      
Chemical signal transduction from the cell surface to organelles was studied in unicellular vegetative (Equisetum arvense) and generative (Hippeastrum hybridum pollen) microspores of plants.
      
Three periods (latent, pregenerative, and generative) and eight age stages have been identified in the ontogeny of cultivated P.
      
The generative period of this species is the longest ontogenetic period, which determines the timing of its cultivation in plantations.
      
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The present article deals with an investigation on the anther culture in vitro of tobacco and red pepper. The tobacco anthers were cultured in vitro on 4 different media.Best result was obtained with Nitsch H medium;Blaydes was ledd effective.The percentage of the embryoids formation increases with the addition of 10—20%(v/v)cocoanut milk.The embryoids may be induced with sucrose from 1—4%;and 3% is the optimum. The anthers of different developmental stages were cultured in vitro for com- parison.It is found...

The present article deals with an investigation on the anther culture in vitro of tobacco and red pepper. The tobacco anthers were cultured in vitro on 4 different media.Best result was obtained with Nitsch H medium;Blaydes was ledd effective.The percentage of the embryoids formation increases with the addition of 10—20%(v/v)cocoanut milk.The embryoids may be induced with sucrose from 1—4%;and 3% is the optimum. The anthers of different developmental stages were cultured in vitro for com- parison.It is found that when the anther with its pollen grains at the 1-nucleate stage,while the nucleus is situated on one side of the pollen,is the best material for haploid seedling induction. The embryoids were mainly formed in two ways:They were formed either from the development of equal division of the 1-nucleate pollen grain or from the vegetative nucleus of the unequal division of the 1-nucleate pollen grain.The generative nucleus may divide only once or several times but eventually the nucleus and its derivatives degenerate. The chromosome number of the root tip or shoot apex of the pollen plants is found to be n=24;the haploid nature of this plant was confirmed.Colchicine of different concentrations was used to double up the chromosomes of the haploid plantlets.In this way many diploids were obtained and among them a few were tetraploids.The production of the embryoids by different means was discussed. The red pepper anthers were cultured in vitro on NT and MS media,supplemented with different growth substances at the stage when its only nucleus is situated on one side of the pollen grain.The anthers gave rise to embryoids and calli.The develop- ment of the 1-nucleate pollen grain through“proembryo”to the formation of the seed- ling was observed.The development of the embryoids is similar to that of the zygotic embryo. The development of the embryoids from the pollen grains may cease to grow at any stage,hence a few of them may develop into seedlings. The connection between the multicellular“proembryo”and the pollen grain can be seen.The cells inside the pollen grain are large and stained lightly,while the cells of the embryoids outside the pollen grain are small,meristematic and closely arranged; some of them being in the initial stage of differentiation. The cells of the root tip and the callus have been examined with aceto-carmine squash method.The chromosome number was found to be n=12;therefore these plants and calli are haploids.

本文报道关于菸草和辣椒花药离体培养的研究结果。对于菸草花药离体培养曾进行四种培养基的对比试验,结果以 NH 效果最好,Blaydes 次之。10—20%(体积/体积)椰乳能提高花药成胚的百分比,对单倍体幼苗也有促进作用。蔗糖浓度从1—4%都能产生“胚状体”,以3%的蔗糖浓度产生“胚状体”的百分比最高,长出的幼苗也比较健壮。对花粉不同发育时期进行了比较试验,花药中花粉单核靠边时期进行培养的出苗率最高。“胚状体”的形成主要由单核花粉粒均等分裂或由营养核分裂两种方式形成“胚状体”。生殖核只进行几次分裂而最后逐渐退化消失。对菸草花粉植株进行根尖或茎尖制片,观察其染色体数目为24,证明是单倍体。用不同浓度的秋水仙碱对单倍体植株进行染色体加倍,得到许多二倍体后代,其中少数是四倍体。本文对花药离体培养和组织培养中产生“胚状体”问题进行了讨论。辣椒采用花粉单核靠边时期的花药,培养在 NT 及 MS 加有补充物质的培养基上,花药既产生“胚状体”又产生愈伤组织。观察到单核花粉最初分裂发育成多细胞“原胚”到最后形成幼苗的过程。“胚状体”的发育与合子胚的发育过程相似。在花粉发育成幼苗的各个发育时期都可能停止发育,长成幼苗的只是少数。...

本文报道关于菸草和辣椒花药离体培养的研究结果。对于菸草花药离体培养曾进行四种培养基的对比试验,结果以 NH 效果最好,Blaydes 次之。10—20%(体积/体积)椰乳能提高花药成胚的百分比,对单倍体幼苗也有促进作用。蔗糖浓度从1—4%都能产生“胚状体”,以3%的蔗糖浓度产生“胚状体”的百分比最高,长出的幼苗也比较健壮。对花粉不同发育时期进行了比较试验,花药中花粉单核靠边时期进行培养的出苗率最高。“胚状体”的形成主要由单核花粉粒均等分裂或由营养核分裂两种方式形成“胚状体”。生殖核只进行几次分裂而最后逐渐退化消失。对菸草花粉植株进行根尖或茎尖制片,观察其染色体数目为24,证明是单倍体。用不同浓度的秋水仙碱对单倍体植株进行染色体加倍,得到许多二倍体后代,其中少数是四倍体。本文对花药离体培养和组织培养中产生“胚状体”问题进行了讨论。辣椒采用花粉单核靠边时期的花药,培养在 NT 及 MS 加有补充物质的培养基上,花药既产生“胚状体”又产生愈伤组织。观察到单核花粉最初分裂发育成多细胞“原胚”到最后形成幼苗的过程。“胚状体”的发育与合子胚的发育过程相似。在花粉发育成幼苗的各个发育时期都可能停止发育,长成幼苗的只是少数。由单核花粉粒所形成的多细胞“原胚”可突出花粉壁外但仍与花粉粒相连,花粉粒内细胞大而染色淡,花粉壁外的多细胞“原胚”的细胞排列紧密,体积小而有分生能力,有的已开始分化。小苗的根尖和愈伤组织细胞,用醋酸洋红压片检查,其染色体数目为12,证明是单倍体。

This article deals with a study of the method in inducing pollen plants from cultured anthers and cytological observations on the in vitro androgenesis of Triticale. The results obtained are summarized as follows: 1. Cell divisions of the uninucleate pollen grains and development of the am- phihaploid plants of Triticale can be readily obtained from anthers cultured on a basic mediam (slightly modified MS medium) supplemented with an appropriate amount of coconut milk and auxins (2,4--D, NAA). 2. The capacity...

This article deals with a study of the method in inducing pollen plants from cultured anthers and cytological observations on the in vitro androgenesis of Triticale. The results obtained are summarized as follows: 1. Cell divisions of the uninucleate pollen grains and development of the am- phihaploid plants of Triticale can be readily obtained from anthers cultured on a basic mediam (slightly modified MS medium) supplemented with an appropriate amount of coconut milk and auxins (2,4--D, NAA). 2. The capacity of callus production varied greatly in different Triticale strains. The pollens in the anthers of non-callus producing strains is potentially ca- pable in producing embryoids, but the embryoids produced by them degenerate in an early stage of development. 3. A higher proportion of the planted anthers producing shoots can be ob- tained, if the anthers containing embryoids had been transfered at a suitable time into the medium for differentiation before the embryoidal cells developed into callus. 4. The two nuclei formed by the first division of the uninucleate microspore are similar in appearance, they, however, generally differ in physiological functions. One of the nuclei having the nature of generative nucleus may divide and produce free nuclei which are eventually excluded in the course of embryoid development; the other having the nature of vegetative nucleus undergoes normal mitoses and therefore plays an essential role in the embryoid formation. 5. In the differentiating or meristematic cells the starch accumulation is generally rare, while in the cells surrounding them there are numerous starch grains.

本工作对小黑麦(Triticale)花粉植株的诱导方法及其雄核发育中的细胞学现象作了研究,所得结果如下: 1 .椰乳在诱导小黑麦花粉形成愈伤组织及其后由愈伤组织分化成苗上,都有良好的作用。 2.不同品系的小黑麦的花药在产生愈伤组织的能力上具有很大的差异。但是不能产生愈伤组织的品系的花药,不一定是花粉没有形成“胚状体”的能力,只是所产生的“胚状体”在发育的早期夭亡了。 3.在“胚状体”细胞没有完全愈伤组织化之前适时将其转移到分化苗的培养基上,可望得到较高的成苗率。 4.单核花粉粒第一次分裂所形成的两个核,虽然在外形上相似但生理上往往已有分化。其中一个具生殖核性质,以后的分裂多形成游离核,在“胚状体”的发育中最后被排除;另一个具营养核性质,以后的分裂形成细胞,在“胚状体”的建成中起主要的作用。 5.处于分化或分生状态的细胞内一般很少有淀粉的积累,但在其周围的细胞中则有多量淀粉粒存在。

Carpospore-germlings of the marine alga Gracilariopsis sjstedtii (Kylin) Daw- son cultured at different temperatures in enriched sea water showed a maximum rate of growth at 25℃ (Tables 1--5, Fig.2). In addition, the germlings demonst- rated a marked ability to withstand temperature as high as 35℃. This distinct behaviour indicates that the sporelings of this species play an important role in with standing the high-temperature months in the biennial cycle of vegetative growth. Ecological observations confirm...

Carpospore-germlings of the marine alga Gracilariopsis sjstedtii (Kylin) Daw- son cultured at different temperatures in enriched sea water showed a maximum rate of growth at 25℃ (Tables 1--5, Fig.2). In addition, the germlings demonst- rated a marked ability to withstand temperature as high as 35℃. This distinct behaviour indicates that the sporelings of this species play an important role in with standing the high-temperature months in the biennial cycle of vegetative growth. Ecological observations confirm our assumption. According to our survey data, plant- lets about 1 cm in height do exist in the natural habitat at Zhan-jiang from July to September when the larger thalli are completely damaged. The most luxurious population of the sporelings appeared in April, May and June with an apparent diminution in the hottest months (from July through Septem- ber). At that time of the year, the vegetative growth almost entirely stopped. These dormancy-like plantets, however, grew anew and formed the plantlets of October and early November as the water temperature declines. They grew vigorously throughout the winter and attained the tallest growth in the following spring. Cutting experiments for the wild plant have been carried out in the field. The average growth rate obtained for the generative thalli (Table 6) was found to be 0.6 cm per day.

我们研究了不同温度对龙须菜果孢子萌发体生长的影响,发现25℃为萌发体的生长最适温度。此外,果孢子在35℃下仍能萌发及生长成盘状体,这表明在龙须菜的二年生的生长周期中,其幼株是起了抗高温的作用。自然生态方面的研究证明了这个推论。在湛江地区,水温最高的季节为7—9月份,该时,龙须菜的成长藻体已完全消失,但在自然海区仍可发现有长约1厘米左右的幼株存在。在湛江及其附近,自然海区中所出现的龙须菜的幼苗群落以4—6月份为最多。7—9月份则显著地减少,该时,藻体的营养生长几乎完全受到抑制。这些受抑制的幼株以后随着水温的降低而又能重新生长,并形成10月及11月初所见的幼株群落。这些幼株在冬季及翌年春旺盛地生长,长成长大的藻体。根据上述的试验及观察,我们认为人工采苗的季节可在3、4月份龙须菜的收获季节中进行,利用幼苗渡夏,集中管理,争取在水温降低时早日分散放养。在有条件的地区,可以考虑室内适温(20—25℃)育苗。从野外观察及人工割切试验,证明龙须菜藻体具有显著的再生能力。根据我们的初步割切试验(见表6),藻体的再生长速率为每日0.6厘米。因此,生产上可以考虑充分利用这种能力以得到一年较多次的收获。

 
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