透水的

In this paper, the effect of aggregate gradation to the strength and permeability of pervious concrete has been discussed.

单一级配集料在制备无砂透水混凝土时，最大的缺陷在于其强度不高，限制了其大面积的应用。

It will become loose when this rock is disturbed. The test result shows that, by compaction, fine sands and mid-fine sands of the rock possess the characteristics of non-expansion, weak freezeexpansion, exceedingly light perviousness and high shearing strength.

通过试验证实：细沙、中细砂经压实后，均有较好的压实性，不产生膨胀，属弱冻胀，极微透水，低压缩性，较高的抗剪强度，这些特性指标均能满足工程要求。

It will becom e loose when this rock is disturbed. The test result shows that, by compaction, fine sands and mid-fine sands of the rock possess the charac teristics of non-expansion, weak freeze-expansion, exceedingly light perviousness and high shearing strength.

通过试验证实：细沙、中细砂经压实后，均有较好的压实性，不产生膨胀，属弱冻胀，极微透水，低压缩性，较高的抗剪强度，这些特性指标均能满足工程要求。

Long-time use of this fertilizer can improve the soil and prevent the soil from slating and hardening and increase the effective nutrients content.

本产品能提高土壤固氮，解磷，解钾的能力有利于土壤团粒结构的形成，具有提高地温，增强保肥，保水，透气，透水能力，长期使用可以有效防止土壤板结，退化，全面提高土壤再生能力。

The change of thoracic fluid indexin twenty patients with cardiac surgery and eleven patients with haemodialysis was observed by means of bioimpedance method,which reflects extravascular lung water.

本文用心阻抗指标TFI测定20例体外循环心脏手术和11例血液透析病人术中血管外肺水的变化，并探讨TFI和CI、IC的关系。

Urban roof is one of the components of urban imperviable areas and the roof runoff is an important source of urban nonpoint source pollution.

城市屋面是城市不透水面积的一个重要组成部分，屋面径流是城市非点源污染的一个重要来源。

The Alpha Jacket shown below is a lightweight, feature-laden waterproof hard shell with stowable hood.

下面介绍的 Alpha 夹克是硬壳，轻，多功能，不透水，带可收纳的风帽。

Based on the existing levees, utilizing tetrahedron-like penetrating frame group which is a new technology of river regulation, a stable canalized channel is trimmed between two levees, and a compound cross-section with narrow canal and wide beach is formed.

即依托现有的大堤，利用混凝土四面六边透水框架群这一新型河道整治工程技术，在两大堤之间整治出一条稳定的渠化河槽，形成窄槽宽滩复式断面。

As a new fashion river regulation building, it is necessary to research the effect of pile permeable groins to local flow quantitatively.

作为一种新型河工建筑物，桩柱透水丁坝对局部水流的影响亟需可靠的定量研究。

First, the mechanism of local head loss is clarified from the theory of plane flow and vortex; and the relationship between local head loss coefficient and barrier-discharge of pile permeable groins is derived.

首先，应用平面绕流与旋涡理论阐明其局部水头损失的机理，导出了桩柱透水丁坝局部水头损失系数与阻水流量的关系式。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。