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pollens
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  花粉
     2. The germination rate of pollens of 11 almond cultivars in orchard are 15.00%~81.88%. Quantity of pollens per anther are 1600~11600, the growth rate of pollen tube are 32.5μm/h~225.0μm/h.
     2、品种园中的11个扁桃品种花粉萌发率为15.00%~81.88%,每花药所含花粉粒数为1600~11600个,花粉管生长速率为32.5μm/h ~225.0μm/h。
短句来源
     Detection of Serum Specific IgE for Humulus and Chenopodium Pollens with BSA-ELISA
     BSA-ELISA法检测血清中■草及藜草花粉特异性IgE
短句来源
     (2) There were four categories of the diameter of pollens in the natural tetraploid loquat: ±45 μ,m super large pollen, ±31 μm large pollen, ±25 μm middle pollen and ±18 μm abortion pollen, the frequency was 0.1 %, 54.52%, 19.32%, 26.06%, respectively.
     在天然四倍体枇杷花粉中存在四种直径不同的花粉,即45μm左右的特大花粉、31μm左右的大花粉。 25μm左右的中型花粉和18μm左右的败育花粉,其比例分别为0.1%、54.52%、19.32%和26.06%。
短句来源
     Results The average onset age of the allergic rhinitis patients induced by autumnal pollens was 27.9 years, significantly younger than that of the allergic asthma patients (32.6 years, P<0.001).
     结果夏秋季花粉诱发的变应性鼻炎的平均发病年龄27.9岁,变应性哮喘的平均发病年龄32.6岁,两者差异有统计学意义(P<0.001);
短句来源
     Pollens of Dendranthemum indicum and its three hybrids with chrysanthemum cultivars xinhong, saiqihong and meiguihong were cultured on a modified liquid monitor medium ME3 supplemented with 16% PEG4000 and 15% sucrose and a germination rate of 80.2%,85.3%,61.3% and 46.5% respectively was obtained.
     用ME3的盐类和维生素附加16%聚乙二醇4000(PEG4000)和15%蔗糖对野菊及新红、塞旗红、玫瑰红的花粉进行培养。 结果表明,萌发率分别为80.2%、85.3%、61.3%和46.5%。
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  “pollens”译为未确定词的双语例句
     These two phases togeth-er were taken as the optimum duration,and the thermo-duration relationship wast=722(a+1)/ΔT~2-ΔT/2.The optimum treatment degree of high temperature(TDHT=ΔT(t+1/2ΔT)/[722(a+1)])was that TDHT was 1 when the pollens were completely killed whereas thestamens were insignificantly affected.
     这两个阶段合为最佳杀雄阶段,其关系为:t=722(a+1)/ΔT~2-ΔT/2。 在高温杀雄处理中,处理程度=ΔT~2(t+1/2ΔT)/[722(a+1)]当等于1时为最佳处理程度,即彻底杀雄,并对雌蕊结实的影响最小;
短句来源
     pollens to different stages of B. tabaci as below: ①To eggs of whitefly, the formula of Holling model is Na=0.5173N / (1+0.002608N), and sudden attack rate "a'" is 0.5173, threatment time range "T_h" is 0.002608, daily max quantity of prey "Na_(max)" is 198.4;
     大草蛉对烟粉虱对烟粉虱各龄期的捕食功能反应的结果如下:①对烟粉虱卵,Holling圆盘模型方程为Na=0.5173N/(1+0.002608N),其中瞬间攻击率a’为0.5173,处理时间T_h为0.002608,日最大捕食量Na_(max)=198.4;
短句来源
     Adding 50mg/L gibberellin(GA3)or 5mg/L 2,4-D to culture medium obviously improved viabilities of the pollens.
     培养基中添加50 mg/L的赤霉素或5 mg/L的2,4-D能明显提高梨花粉生活力。
短句来源
     The developmental stage of the pollens in the anther for inoculation was at the middleanaphase period. The calli were induced on the N_6 medium,supplemented with kinetin(2mg/l),2,4-D (0.5mg/l),L-glutamine(800mg/l)and serine(100mg/l).
     诱导愈伤组织用 N_6基本培养基附加激动素(KT)2.0mg/l,2,4-D 0.5mg/l,谷氨酰胺800mg/l,丝氨酸100mg/l。
短句来源
     Some varieties such as Hohsui(genotype is S3S5), Kikusui (S2S4) , Kohsui (S4S5) and Nijisseiki(S2S4) were used to make various pollination combinations. Pollens were labeled with Fluo-3 AM at low temperature.
     选用生产上栽培的砂梨(Pyrus serotina Rehd.)品种‘丰水’(Hohsui)(基因型S_3S_5)、‘菊水’(Kikusui)(S_2S_4)、‘幸水’(Kohsui)(S_4S_5)和‘二十世纪’(Nijisseiki)(S_2S_4)为试材,进行自花或异花授粉处理。
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  相似匹配句对
     TEM Observation of the Pollens
     花粉的透射电镜观察
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     30% for polyvalent pollens.
     夏秋花粉占30%,
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  pollens
Golgi 58K-like protein in pollens and pollen tubes ofLilium davidii
      
Anthers were removed from the irradiated florets on the same day and the florets were pollinated with normal fresh pollens of T.
      
However, the pollens of 5 species were investigated under TEM (transmission electron microscopy).
      
The HPLC analysis of the buds, pollens and petals of two species ofAesculus is reported.
      
Pollens from trees of the Fagales, Oleaceae, and Cupressaceae belong to the most potent and frequent allergen sources.
      
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1. Each spieces of plant possesses a particular kind of pollen grain, therefore the morphological characters of pollen grains may be used for the identification of the botanical origin of certain crude drugs. 2. 46 kinds of Chinese drugs included in the Pen-tsao have been examined for their pollen grains. Full descriptions of the pollen grains found in these drugs are given together with an analytic key and 31 figures. 3. The pollen grain was first observed under microscope in...

1. Each spieces of plant possesses a particular kind of pollen grain, therefore the morphological characters of pollen grains may be used for the identification of the botanical origin of certain crude drugs. 2. 46 kinds of Chinese drugs included in the Pen-tsao have been examined for their pollen grains. Full descriptions of the pollen grains found in these drugs are given together with an analytic key and 31 figures. 3. The pollen grain was first observed under microscope in dry form to see its side view, and then put into solution to absorb moisture and swell up to spherical form for the purpose of observing its polar view.

(1)每种植物的花粉,各有特殊的形状,因此花粉的形态特徵对於鉴定中药,尤其粉末生药的原植物有很大帮助。(2)本文叙述46种中药的花粉,除作形态的描述外,并编一分析检索表,另附三图版共31图。(3)本文所述花粉的形态,包括乾燥的侧面形,及吸湿膨胀後所现的极面形。本文曾由楼之岑教授提出宝贵意见,附图为刘安佑同志所绘特此致谢。

Controlled crosses made between apple×pear(P.communis,P.serotina,P. Bretchneideri,P.ussuriensis),apple×plum,apple×cherry,apple×peach(P.pe- rsica,p.Davidii),apple×apricot,and apple×strawberry from 1953 to 1955 have proved that hybrid seeds can be obtained even between sub-families,except the strawberry.The percentage of fruit setting varied with the remoteness of the phylogenetical relation befween female and male parents,ie.apple×pear higher than apple×stone fruits.For different varieties of apple under different...

Controlled crosses made between apple×pear(P.communis,P.serotina,P. Bretchneideri,P.ussuriensis),apple×plum,apple×cherry,apple×peach(P.pe- rsica,p.Davidii),apple×apricot,and apple×strawberry from 1953 to 1955 have proved that hybrid seeds can be obtained even between sub-families,except the strawberry.The percentage of fruit setting varied with the remoteness of the phylogenetical relation befween female and male parents,ie.apple×pear higher than apple×stone fruits.For different varieties of apple under different natural and agricultural conditions gave different results,it is suggested that in order to obtain hybrid seeds several maternal varieties should be used in two or three conti- nuous years. Seeds obtained from mixed pollination method(a limited quantity of pollen grains of an apple variety applied to the stigma 4 hours after the proceeding dis- tant cross)were most probably not true hybrid seeds.It seems necessary to length- en the time interval between the two operations of pollination. Pollination with old stigma(6 days after emasculation)reduced the percentage of fruit setting in apple×pear,and it seemed to have some positive effect in app- le×stone fruits.The percentage of fruit setting was greatly increased in appee× pear by using trees which had been prelimiuarily vegetative-approached as maternal parents,as compared with ordinary cross. The seedlings of distant hydrid,especially those individuals with parental or new characteristics,grew very feebly and soon perished with gradual.browing and drying of the root system.

一、用一般的套袋授粉法进行苹果和梨、和核果类桃、李、樱桃、山杏、山毛桃等组合的有性杂交可以获得杂交果实和种子。二、杂交的结实率因父本的种类而不同,苹果和梨(仁果类)杂交结实率、结种子率一般较苹果和桃、李、樱桃等核果类为大。三、母本苹果不同品种不同的自然及栽培条件下成功的可能性不同。因此在进行远缘杂交时应同时选几个品种作为母本,在不同年份连续进行较易获得成功。四、先授以远缘花粉隔四小时后再授以限量近缘花粉的混合授粉法所得结果不可靠。是否用延长间隔时间或采用丧失发芽力的近缘花粉的混合授粉法以促进杂交结实而不致引起差误有待于进一步研究。五、用去雄后6天进行授粉的衰老柱头授粉法,似不宜用于一般杂交结实尚不很困难的苹果和梨之间的杂交,但用于苹果和某些核果类果树之间的杂交似有促进作用。六、以父本种类作砧木对母本进行教养影响的无性渐近杂交法显著地提高了苹果和梨远缘杂交的结实率。七、远缘杂种生活力弱,幼苗甚易夭折,一般从茎的基部或地下部分开始变褐,渐渐全株枯死。杂种部分植株表现父本梨或全新性状,表现这些性状的植株生活力尤为衰弱。如何克服杂种幼苗的夭折尚待继续研究。

Hung Hwa, the floral parts of Carthamus tinctorius L. (Compositae), is one of the important Chinese drugs used in gynecology. A brief review of the literature and detailed descriptions of the macroscopical and microscopical characters of the drug are given with plates of illustration. The more important microscopical features of the drug are: (1) pollen grains, yellow, single, subspherical, diameter about 55μ, three distinct germinal pores visible in polar view, surface with fine warts arranged in a net...

Hung Hwa, the floral parts of Carthamus tinctorius L. (Compositae), is one of the important Chinese drugs used in gynecology. A brief review of the literature and detailed descriptions of the macroscopical and microscopical characters of the drug are given with plates of illustration. The more important microscopical features of the drug are: (1) pollen grains, yellow, single, subspherical, diameter about 55μ, three distinct germinal pores visible in polar view, surface with fine warts arranged in a net pattern; (2) pigment tubes, contents yellowish brown to reddish brown, often accompanied with a few spiral vessels; (3) fibrous layer of the pollen sac, elongated, transverse walls with rod-like or 1-3 bead-like thickened portions; (4) fibrous layer of the anther tip, walls thickened with simple pits; (5) stigma densely covered with conical trichomes; (6) upper epidermal cells of the corolla, elongated, with wavy anticlinal walls; (7) epidermal calls of the filament, elongated, thin walled, with uniseriate or diseriate papillose trichomes. Specimens adulterated with bracts may be detected by the presence of its unicellular, thick-walled trichomes with stone cell-like base.

红花是菊科植物Carthamus tinctorius L.的干燥花,是中医常用的妇科要药。本文简单地总结了前人对红花的研究工作,然后详细地描述了红花的原植物形态,以及药用部分的外形、组织构造和粉末特征。

 
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