Dormancy for hard seeds is caused by impermeability to water and gas and mechanical constraint of the seed coat.

硬實(shí)種子種皮透水透氣性差和對(duì)胚生長(zhǎng)的機(jī)械限制，引起種子休眠欧美乱伦视频网站。

These are lined with materials that are impermeable such as plastics and clay, and are also built over impermeable soil.

這些都是與內(nèi)襯材料国产福利在线观看，不透水如塑料和粘土，還興建了不透水土壤视频高清在线看日韩精品免费。

Impervious surface is a character of urban areas. The ratio of imperviousness and total area becomes a significant urban ecological index in the research of urban hydrology, water pollution, urban vegetation mapping and so on.

不透水面是城市地區(qū)的典型特征国产亚洲日韩精品超碰，它與城市總用地面積的比值--不透水率作為一個(gè)重要的城市生態(tài)指數(shù)常出現(xiàn)于城市水文、水質(zhì)欧美性爱网站地址、面源污染以及城市植被制圖等研究中午夜a一级毛片视频网站在线免费观看。

Scientists have attached importance to the imperviousness, an integrated watershed health indicator, and this article make an introduction together with a brief comment on it.

不透水地面作為流域健康狀況的綜合指示因子亚洲免费视频在线播放，已經(jīng)受到國(guó)際上普遍重視。本文對(duì)國(guó)際上不透水地面的研究做了簡(jiǎn)要評(píng)述老熟妇伦乱一区二区。

You should spend more time out of doors in the fresh air.

你應(yīng)多花點(diǎn)時(shí)間在戶外透透新鮮空氣激情性爱国内自拍。

The penetrative rate of diclofenac through the skin of mice was enhanced inconsiderably by azone in the vehicle.

特別是當(dāng)卡波凝膠中是離子形式的雙氯芬酸鈉時(shí)，其有無(wú)促透劑的24 h累積透過(guò)量之比值只為1.17免费av黄色录像免费的黄色录像。

The selection of materials,design and deposition of double waveband (3～5μm and 8～12μm) infrared antireflection on Ge substrate by ion beam assisted deposition are reported.

文中簡(jiǎn)要敘述了雙波段(3～5μm和8～12μm)紅外增透膜的膜料選擇以及鍺基底上紅外雙波段增透膜的設(shè)計(jì)與鍍制视频一区二区男人的天堂国产大片免费，介紹了離子束輔助沉積技術(shù)制備該薄膜的過(guò)程。

The original American form, called keno, kino, or po-keno, dates from the early 19th century.

原美的形式看美女被操久久精品，稱為樂(lè)透色色中文网，水溶性538视频在线播放欧美，或?qū)毚髽?lè)透在线人成，起源于19世紀(jì)初。

To make clear whether the degree of the left heart chambers enlargement and the left ventricular hypertrophy in long-term continuous ambulatory peritoneal dialysis is different from that in haemodialysis patients after water and salt intake restriction, we compared the volume load and echocardiographic parameters between them.

目的同樣對(duì)長(zhǎng)期持續(xù)性不臥床腹膜透析患者及血液透析患者進(jìn)行水鹽攝入的限制后欧美成三级，對(duì)CAPD患者與HD患者容量負(fù)荷情況及心臟超聲各項(xiàng)參數(shù)進(jìn)行比較免费观看色视频网站，以明確CAPD患者左側(cè)心腔擴(kuò)大、左心室肥厚的發(fā)生與HD患者比較是否有差別黄色网站男人天堂。

Candida colonisation did not enhance oalbumin permeation in mast cell deficient W/W mice but did in congenic littermate control +/+ mice. Reconstitution of mast cells in W/W mice by transplantation of bone marrow deried mast cells restored the ability to increase oalbumin permeation in response to Candida colonisation.

念珠菌定植不加強(qiáng)肥大細(xì)胞缺陷W/W小鼠的蛋白通透性www.操逼.com，而其同系同窩對(duì)照+/+小鼠則有加強(qiáng)，W/W小鼠通過(guò)骨髓肥大細(xì)胞移植重建肥大細(xì)胞功能可恢復(fù)念珠菌定植后對(duì)卵白蛋白通透性的增強(qiáng)作用爽到高潮嗷嗷嗷叫视频软件。