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Stamens usually twice as many as petals and in 2 whorls, rarely as many as petals by loss of 1 whorl, isomorphic or dimorphic; filaments distinct, often geniculate, inflexed in bud; anthers typically 2-celled, introrse, basifixed, dehiscent by 1 or 2 apical pores or by short longitudinal slits; connective often variously appendaged.

雄蕊通常是花瓣数量的两倍并且2轮,有时1轮而与花瓣同数,同形或二形;花丝离生,通常膝曲,在芽期内折;花药通常2室,向内,基着,通过1-2顶孔或短纵裂裂缝开裂(Astronia ,Memecylon;药隔通常有不同的附属物。

Bud scales at base of branchlets appressed; 1st-year branchlets glabrous.

小枝的芽鳞在基部贴伏;第1 年的小枝无毛。

Excied root apex explants of seedlings from Mormodes Jumbo Odin × Catasetum expensum were induced to from PLBs in MS medium supplemented with BA (0.5 mg/l ). Histological observations confirmed that root cap were disorganized at early stage and followed by vascular strand of existing roots protruding into PLBs formation.

以不同时期的根类原球体为材料经石蜡切片后发现,早期会先在根尖端形成球状突出,随著根类原球体膨大,根培植体的维管束延伸到球体之中并支撑著尖端形成芽原基,而后根类原球体顶芽长出维管束成为植株。

In this study,Cynodon Rich is selected as the trial plant to study the process of nutrient cycling in a substrate-vegetation system of rock slopes with observation tests simulating rock slopes.

该文以狗芽根为建植植物,利用模拟边坡的观测试验,对岩石边坡基质-植被系统的养分循环过程进行了研究。

Based on the Hi-Tech Agricultural Demonstration Zone of Longyun District, advanced equipment ,the superiority of experts and specialized study, applied tech of no Environmental Pollution Vegetable and green food has been demonstrated and applied widely among farmers of Longyun Base, such as High production tech of cucumber graft, leaving shoot tech of huge colorful capsicum, matrix and oilless raising seedling tech of capsicum and tomato.

项目简介:30万亩无公害蔬菜标准化生产是河南省龙云集团有限公司承担科技部星火计划项目,该项目以龙云农业高新科技园区为核心,依靠先进设施和专家优质,重点研究,示范,推广无公害蔬菜和绿色食品生产实用技术,如黄瓜嫁接高产技术,巨型彩椒留芽高科技术,辣椒,西红柿等蔬菜的基质,无土育苗技术等,都在基地农户中得到了广泛的应用,仅先进适用技术农民每年增收3亿多元,户均3000多元。

Feather growth begins with a thickening of the epidermis called the placode, which elongates into a tube— the feather germ.

首先,表皮上的基板开始增厚,并拉长成一根管子,称为羽芽(上方〈毛的成长过程〉。

Bipolaris sorokiniana may affect turf grass to cause leaf spot, bud rot, seedling blight, root rot, sheath rot. The temperature range of colony growth is 10~40℃, the optimum 25℃. Conidia can germinate in the temperature range of 20~35℃, and germinate best at 28℃; Conidia germinate well on slide water surface, contrary to other different methods, and they can germinate well under given air condition, but germination is not strict with nutrition. The inhibiting test of 8 kinds of fungicide showed Sporgon 50WP was most effective, and the inhibiting effect of the others was well to the conidia germination.

Bipolaris sorokiniana能浸染草坪禾草叶片形成梭形病斑,并可导致芽腐、苗枯、根腐、茎基腐、鞘腐等症状;病原菌在10~40℃下能够生长,最适生长温度为25℃;病原菌分生孢子在不同萌发条件中以水平萌发较好;分生孢子萌发需要空气条件,但对营养要求不严格;在20~35℃下分生孢子均可萌发,以28℃下萌发最好;八种不同药剂对病原菌的抑制效果表明,50%施保功可湿性粉剂1500倍液效果较好,其抑菌圈直径和抑制分生孢子萌发率分别为46.2mm和81.3%,其他几种药剂对孢子萌发也有较好的抑制作用。

At skin sites destined to have apocrine units, a third epithelial bud develops from the opposite side of the follicle above the level of the sebaceous gland anlage.

在形成顶泌汗腺单位的皮肤部位还有第三个上皮胚芽形成,它发生于皮脂腺始基之上与毛囊相对的位置。

Rhizomes without bulbils; basal leaves petiolate or sessile.

没有珠芽的根状茎;基生叶具叶柄的或无梗。

Branches usually with linear, lengthwise lenticels; winter buds small, enclosed in swollen base of petiole or exposed.

分枝通常具线形,纵长的皮孔;冬芽小,包围在膨胀的叶柄基部内或露出。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。