无胚的
- 与 无胚的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Seed large, globose, enveloped by membranous endocarp, endosperm present or absent; cotyledons unequal.
种子大的,球状,被膜质内果皮包围,胚乳宿存或无;子叶不等长。
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The first division of protoplast occurred within 3 to 5 days in modified MS liquid media (1/10 strength macroelement) supplemented with 2 mg/L NAA+0.5 mg/L 6-BA and several organic compounds.
培养在1/10 MS附加2 mg/L NAA+0.5 mg/L 6-BA和多种有机成分培养基上的铁皮石斛无菌苗叶片原生质体,3~5 d后开始第一次分裂,30d后长成胚性细胞团。
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Mature embryo sac can form from megaspore mother cell on the modified VW medium supplemented with 0.5mg/L BA and 0.1 mg/L NAA.
在培养基无外源激素或仅含生长素或细胞分裂素时,雌配子体的发生过程不能顺利完成;在改良VW培养基上添加0.5 mg/L BA和0.1 mg/LNAA时,形成成熟胚囊。
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Stigma sessile. Drupe mesocarp thinly fleshy; embryo with 3 cotyledons.
柱头无梗。核果的中果皮薄肉质;胚具3子叶。
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Translation activity of this mRNA was measured in the wheat germ cell-free system.
研究了此mRNA在麦胚无细胞体系中的翻译。
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We established the NTD model and showed that the central nervous system malformation at age of embryonic day 10.5(E10.5) included acrania, craniofacial abnormal, spina bifida, short-tailed or tailless ect.
对孕7.5d母鼠一次性喂服50mg/kg RA后观察到E10.5d鼠胚有颅脑顶部未闭、后脑及面部异常、脊柱或尾部有裂口以及无尾或短尾等多种畸形的发生,大部分与神经系统有关。
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Sepal 5, fu covers with tiles shape is arranged, chang Sucun, corollaceous bell form, funnel form, tall foot butterfly form or earthen jar form, brim ministry is shallow 5 crack or deep 5 crack, rotate when bud or tweezers closes account; Staminal 5, on canister of move unripe Yu Guan, hide inside or appear, pollen bead does not have thorn or aculeate, on ovary, often be a cup of shape or surround for flower disc place of dissension, 1-4 room, every room contains 1-2 bead ovule, style 1-2, post is not cracked or 2 crack, rare 3 crack, or 2-4 is cracked.
萼片5片,覆瓦状排列,常宿存,花冠钟形。漏斗形。高脚蝶形或瓮形,檐部浅5裂或深5裂,芽时旋转或镊合状;雄蕊5枚,着生于冠筒上,内藏或外露,花粉粒无刺或有刺,子房上位,常为杯状或为分裂的花盘所包围,1-4室,每室含1-2粒胚珠,花柱1-2个,柱头不裂或2裂,稀3裂,或2-4裂。
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Calluses were induced from hypocotyl segments of seedlings of Alhagi pseudalhagi on MS medium supplemented with 1. 5-2. 0mg/L 2, 4-D and 0.5-1. 0mg/L 6-BA.
骆驼刺种子无菌苗下胚轴切段在含1.5-2.0mg/L2,4-D和0.5-1.0mg/L6-BA的MS培养基中可100%诱导产生愈伤组织,并在相同培养基上进行继代培养。
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Stamens 1 or 2 × as many as sepals; filaments short, slender; anthers basifixed, mostly oblong or linear, 4-loculed, dehiscing by slits, antisepalous anthers sometimes somewhat longer than antipetalous ones; pollen grains shedding at 3-celled stage. Ovary inferior, 1(or 2)- or 4-celled, septa solid or practically absent (present only at base and apex of ovary); styles as many as sepals, alternisepalous, free, mostly short, grading into globose or subulate stigmas, spreading in fruit; stigmatic papillae hairlike; ovules as many as styles, rarely 1, apical, pendulous, anatropous.
雄蕊1或2 *同数萼片;花丝短,纤细;花药基着,通常长圆形或者线形,4室,纵向开裂,对萼花药稍比对瓣花药长;花粉粒在3室的阶段散落子房下位,1(或者2)或4室,隔膜实心或几乎无(只在基部和子房先端存在);花柱和萼片同数,与萼片互生,离生,柱头乳突毛发状;胚珠与花柱同数,很少1,顶生,倒生。
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Ovary subglobose to elliptic, small, glabrous, 4-locular or more, with 2 anatropous ovules per locule; style filiform, exserted from tube; stigma disciform, capitate, or ampuliform.
子房近球形的到椭圆形,小,无毛,4室或更多,每子房室有2倒生胚珠;花柱丝状,由筒部外露;柱头盘状,头状,或瓶状。
- 推荐网络例句
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I will endeavour to find you some assistance.
我尽力帮你找人帮忙。
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At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.
起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像,后来回台湾,甚至去年在北京,居然也四处看见她的海报,才惊讶她的魅力之大。
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Ah may dee:You are chinese living in a democratic country.
你是居住在民主国家的中国人吧。