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The results suggest: the three culturalss pollen germination percentage were more than 60% 4 h after cultured in liquid culture medium composed 10% sucrose, 24℃; Florescence most concentrated April third-tenth (2003); For Zaomeisu and Qiyuesu ,their anthotaxy and flower self setting fruit percentage were more than 90%,except for China pear 1, anthotaxy self setting fruit percentage was 48.3%, flower self setting fruit percentage was 33.1%; Their cross-compatibility was higher, anthotaxy and flower self setting fruit percentage almost reached 100%, the lowest also reached 94.9%, but last self-compatible gathering fruit percentage was lower comparatively and fruit average seed numbers were lower, while cross-compatible gathering fruit percentage and fruit average seed numbers were closed to that of nature pollination.
对梨品种亲缘关系很近的早美酥、中梨1号、七月酥等进行的花粉发芽率、花期调查、自交亲和性、异交亲和性调查的结果表明:三者的花粉在10%的蔗糖液培养基上,24℃左右培养4h后花粉发芽率均能达到60%以上;三者的花期大都集中在4月3日-10日(2003年);早美酥、中梨1号、七月酥的自花授粉坐果率,除中梨1号的花序自花授粉座果率为48.3%,花朵自交座果率为33.1%外,早美酥、七月酥的花序自交座果率和花朵自自花授粉座果率均达到90%以上;它们的异花授粉坐果率更高,在本试验中花序坐果率和花朵坐果率都可达到94%以上,但最终采果率自花授粉的相对低一些,果实平均种子数也低,异花授粉的最终采果率和果实平均种子数与自然授粉条件下的近似。
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In the world, become world the biggest fruit to produce a country, but long-term since because take crop seriously, negligence quality, take measure of the increase production before collecting seriously, negligence collects an aftertreatment, store up treatment, the decay after causing fruit greens product to collect is degenerative and serious, loss is great, main show is in these problems the following respects: 1Structure of breed of product of.1 fruit greens is unreasonable although the crop of fruit greens product of our country is tall, but quality is poorer, market price is low, breed structure is unreasonable, early, medium scale of ripe, late-mature breed is undeserved, do not have especially comfortable the high grade breed at treatment, restricted our country fruit to machine the development of course of study apparently.
因此提高果蔬产品的质量,发展贮藏加工业,是我国果蔬产业发展亟待解决的问题。1 目前我国果蔬产业发展中存在的问题自 1993年以来,我国果品产量跃居世界第 1位,成为世界第一大水果生产国,但是长期以来由于重视产量,忽视质量,重视采前增产措施,忽视采后处理、贮藏加工,造成果蔬产品采后腐烂变质严重,损耗极大,这些问题主要表现在以下几个方面:1.1 果蔬产品品种结构不合理我国的果蔬产品产量虽高,但质量较差,市场售价低,品种结构不合理,早熟、中熟、晚熟品种比例不当,非凡是没有适于加工的优质品种,明显制约了我国果品加工业的发展。
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The Blodix Collection System Disposable Tubing Set features a cassette that integrally incorporates self-loading pump headers, filters, pressure diaphragms, sensors, and return reservoir.
Blodix 血液成分自动采集系统的一次性管路具有一个采血盒,采血盒含有自加载泵总集管、过滤器、压力膜片、传感器和回流血液储筒。
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The seal on the flag has two important symbols: the mountain is a depiction of Triglav, Slovenia's highest mountain, while the three six pointed stars are taken from the Counts of Celje's coat of arms, a powerful Slovene dynastic house during the 14th to 15th centuries.
旗面上的国徽具两个重要象徵意义︰山脉是描绘斯洛维尼亚境内最高山脉特里格拉夫山;三颗六角星则取自於采列王朝国徽。采列王朝为斯洛维尼亚十四到十五世纪的强盛时期。
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The results showed that the techniques could increase gametophyte adhesion rate by over 80%, made the seedlings stronger and the germination quality reach state standard of Class Ⅰ. The growth speed of clone adhesion (8~16 rows) was about 20 days faster than that of normal sporophyte seedling adhesion.
结果显示,这样的措施可使配子体附着率达到80%以上、幼苗健壮、出苗质量达到国家一类帘标准,使克隆采苗自8~16列c期间的生长发育速度较常规孢子体采苗后的生长发育速度快20 d。
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On the base of large quantitative test, using coal petrography and organic geochemical data, the source of oil and gas in the coal-measures is analyzed. And it is concluded that the area's Yan'an group coal-bed has a low potential of oil production, and the oil and gas contained in the coal-measures and superjacent strata comes from underlying Upper Triassic Yanchang group strata. After a series of parameters of coal seam and surrounding rocks are tested, gas formation, storage, preservation, permeability of the coal-rock seam are analyzed and evaluated.
本文在大量测试工作基础上,利用煤岩学与有机地球化学资料,分析了煤系油气的来源,认为本区延安组煤系煤层生油潜力差,煤系及其上覆地层所含油气为下伏上三叠统延长组源岩所生,油气主要通过迭置的砂体、不整合面、构造裂缝等自下向上运移进入煤系;通过对煤层及围岩一系列物性参数的测试,分析与评价了煤岩层的生、储、盖、渗性能与可抽放性,得出主采4_(-2)号煤层属中等储集、低渗透层,围岩封闭性差,渗透性高,煤层瓦斯含量低,而顶板砂岩瓦斯含量高,为采面瓦斯涌出的主要来源。
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It's literary image began with the appearance of the "Cantos" and "Chu Elegies", after which came a state of two parallel clues developing together. One of the clues is lotus flowers as a literary image in the folk poetry, in the system of "Yuefu", this system most has the representation is picks the lotus poetry, the performance content mainly is the male and female love, in addition, picks the lotus poem also frequently to use for to express connotation homesickness, leaves, and so on lovesickness; While the other is in the system of scholars, in this system, the lotus flower frequently took noble and pure, happy, fresh, refined symbol, then has flees the world with from the suitable pursue, politics expected with frustrated, the personality unfolds and so on a series of implications and the function.
莲花文学意象的发生则是从《诗经》与《楚辞》开始的,之后,呈现出两条线索并行的状况,一条是乐府系统的莲花文学意象,此一系统最具代表性是采莲诗歌,表现内容主要是男女情爱,除此之外,采莲诗也常常用来表达思乡、离别、相思等内涵;另一条是文人诗赋系统的莲花文学意象,在这一系统中,莲花常常作为高洁、美好、清新、脱俗的象征物,进而具有遁世与自适的追求、政治期望与失意、人格展现等一系列寓意与功能。
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Sixty-five isolates of Penicillium digitatum were collected from Quzhou, Hangzhou, Jinhua and Lishui in Zhejiang Province during 2000 to 2006, where strobilurin fungicide azoxystrobin had never been used to control green mold of postharvest citrus.
采用孢子萌发法和生长速率法测定了2000~2006年间采自浙江衢州、杭州、金华、丽水的65个柑橘绿霉病病菌Penicillium digitatum菌株对嘧菌酯的敏感性。
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Morphometric analysis of Anopheles gambiae complex Was carried out in Abeokuta metropolis.
对采自尼日利亚南部城市阿贝奥库塔冈比亚按蚊复合体Anopheles gambiae complex的形态特征进行了研究。
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The PCR technique was used to amplify the mtDNA D-Loop in 20 individuals of Spanish mackerel collected from the southern coast waters of the Shandong Peninsula. The PCR products were accumulated, purified and sequenced.
采用聚合酶链式反应技术对采自山东半岛南岸水域的蓝点马鲛20个个体的mtDNA D-Loop基因进行扩增,得到了1条大小约为500bp的清晰带。
- 推荐网络例句
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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.
曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。
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The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.
稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。
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When I was in school, the rabbi explained everythingin the Bible two different ways.
当我上学的时候,老师解释《圣经》用两种不同的方法。