查询词典 leaves

Oilseed rape were inoculated by spraying when they had three leaves, Tu-100 populations were not detectable on stems and leaves 20 days after spraying, and their resistance to Sclerotinia disease were decreased gradually with time.

在油菜三片真叶时喷雾接种一次，20d后，在茎和叶上不能检测到所接种的Tu-100，并且抗菌核病的能力也逐渐减弱。

Leaves in a rosette or opposite, often upper leaves alternate; petiole winged. Racemes secund; bracts small.

叶在一莲座丛或对生，通常上部叶片互生；叶柄具翅总状花序偏向；苞片小。

Control effects of the seedlings, whorl leaves and the leaves of transgenic Bacillus thuringiensis corn on the 1 st instar, 4th instar and 5th instar larvae of Mythimna separata were evaluated in laboratory.

在室内用生测法研究了表达Cry1Ab杀虫蛋白的Bt玉米MON810和Bt11小苗和心叶对粘虫Mythimna separata初孵幼虫以及玉米叶片对暴食期4龄和5龄幼虫的杀虫效果。

Control effects of the seedlings,whorl leaves and the leaves of transgenic Bacillus thuringien- sis corn on the 1st instar,4th instar and 5th instar larvae of Mythimna separata were evaluated in laboratory.

在室内用生测法研究了表达Cry1Ab杀虫蛋白的Bt玉米MON810和Bt11小苗和心叶对粘虫Mythimna separata初孵幼虫以及玉米叶片对暴食期4龄和5龄幼虫的杀虫效果。

Leaves few, all basal, green, linear, adaxially with pale, median stripe, base surrounded by membranous, sheathlike leaves.

叶很少，全部基部，绿色，线形的，正面具的浅的，中间条纹，基部膜质，鞘状叶包围。

Result The results showed that processing ⑤could not provide the necessary water to grow of seedlings, all seedlings withered and died. The seedlings growth was normal with processing ①、②. A large number leaves of processing ③ seedlings became yellow and wilt, under processing ④, lots of leaves shedded and its survival rate was 30% after 40 days water stress.

结果］结果表明，处理⑤不能提供幼苗生长所需的水分，幼苗全部干枯死亡；处理①、②幼苗生长表现正常；处理③叶片大量变黄枯萎；处理④叶片大量枯萎脱落且在控水40 d后其存活率只有30%。

Leaves can be born or dry food for plants, solanaceae ningxia medlar and Chinese wolfberry leaves, taste bitter Kennedy and gas cooler, into the lung and kidney.

叶可生或晒干食用，为茄科植物宁夏枸杞及枸杞的枝叶，性味苦甘而气凉，入肺、肾经。

In some ferns sporangia develop on the normal foliage leaves but in higher plants, the sporophylls are highly modified leaves.

在一些蕨类中孢子叶由植物体距地面较高处的叶片发育而成。孢子叶是高度变态的叶片。

The result shows that: the extraction of petroleum ether, polysaccharide and sodium copper chlorophyllin from banana leaves perform higher spumescence ability and foam stability. The critical concentration form pastern namely CMC and the surface tension in this concentration are 1.0 g/l (34.295 mN/m), 1.0 g/l (42.398 mN/m), 3.0 g/l (40.123 mN/m) respectively, which the value is close or excess the reference samples. The emulsify capability of the extraction of petroleum ether is the best in these active ingredients, and close to the emulsify capability of Tween-80. The emulsify capability of polysaccharide and sodium copper chlorophyllin from banana leaves are follow then.

试验结果表明：香蕉叶石油醚抽出物、叶多糖和叶绿素铜钠盐具有良好的起泡性和稳泡性；其临界胶束浓度CMC值和其该浓度下的表面张力分别为：1.0g/l（34.295 mN/m），1.0g/l（42.398 mN/m），3.0g/l（40.123 mN/m），已经接近或超过参照物的表面活性；香蕉叶石油醚抽出物的乳化能力最强，乳化性能已接近乳化剂吐温-80，其次为叶多糖和叶绿素铜钠盐。

Leaves alternate; stipules lanceolate, 4-8 mm; petiole 2-11(-13) cm, pubescent or glabrous; leaf blade ovate, elliptic, oblong or subelliptic,(5-)9-21 × 2.5-10 cm, papery, slightly rough, secondary veins 3 or 4 pairs along midvein, abaxial surface strigillose or pubescent on veins, rarely glabrous, adaxial surface sparsely appressed strigillose or glabrous, base broadly cuneate, rounded, or obtuse, margin denticulate, apex acuminate or caudate-acuminate. Glomerules usually unisexual, sometimes bisexual, in the axils of current and fallen leaves along normal leafy stems, 4-10 mm in diam.; male ones on proximal part of flower-bearing branches; female ones on distal part.

叶互生 托叶披针形，4-8毫米；叶柄2-11(-13)厘米，被短柔毛或无毛；叶片卵形，椭圆形，长方形或，( 5-)9-21 * 2.5-10 厘米，纸质，粗糙的稍，次脉3或4 对沿中脉，背面具短糙伏毛的或短柔毛在脉上，很少无毛，正面疏生贴伏具短糙伏毛的或无毛，通常单性的团伞花序，有时两性，在正常生叶的茎的叶和脱落叶的腋内，直径4-10毫米；在忍受花的分枝的下部上的雄性的；在上部上的雌性的。

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