由...引起

Some questions such as disqualification dam,many cracks in developing dam body,disperse-impregnation in the downstream slope of dam,forming ascending spring owing to marshization in dam back,wadding educts coming from drainage ditch and rearing pond and a lot of seepage amount were occurred.

陡坡水库存在大坝质量差、坝体发育大量裂缝、背水坡出现散浸现象、坝后沼泽化并形成一上升泉以及排水渠和鱼池有絮状析出物、渗漏量增大等问题，这些异常现象都是由坝体及坝基渗流引起的。

E1 envelope protein is one of the structural protein of HCV,having important receptor binding site and epitope,it play important role in the process of viral infection and immunity.

丙型肝炎是由丙型肝炎病毒(Hepatitis C virus， HCV )感染而引起的严重威胁人类健康的传染病，还没有研制成功有效的疫苗。

Hepatitis C,caused by hepatitis C virus,is an important infectious disease threatening human health,and at present,there are no vaccines available for preventing HCV infection.The E1 envelope protein is one of the structural protein of HCV,having important receptor binding site and epitope,it play important role in the process of viral infection and immunity.

丙型肝炎是由丙型肝炎病毒(Hepatitis C virus， HCV )感染而引起的严重威胁人类健康的传染病，目还没有研制成功有效的疫苗 HCV-E1包膜糖蛋白是HCV的结构蛋白之，具有重要的受体结合位点和抗原表位，在病毒感染和宿主免疫过程中起着十分重要的作用。

Facial flushing are many reasons for adverse drug reactions will lead to the red if it is always afternoon, and the red is likely to be caused by tuberculosis.

答：颜面潮红是药品不良反应的原因很多将导致红色，如果它总是下午，红色的很可能是由结核引起的。

Correlation between red meat and heart disease.

即使是由牛羊肉引起的，也不一定是高含铁量的原因

And red shift is a constrained effect of quantization of wavelength.

光的弯曲是由珠子密度不同引起的折射率变化的结果。

Research on reducing flicker caused by arc furnace with advanced static var generator.

用新型静止无功发生器抑制由电弧炉引起的闪变之研究。

To. this disease is referable to microbes.

这个病是由细菌引起的。

These symptoms may be referable to virus infection rather than parasites.

这些症状也许是由病毒感染引起的，而与寄生虫无关。

Optical return loss is caused by index of refraction differences.

光信号返回损耗是由折射率的差异引起的。

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。