发黑

Some boy or girl in the breast can occur after birth increased, especially after birth, 5-7 days more obvious, such as broad bean or walnut size, and even found around the nipple and areola area nigrescence, if squeezing breasts also found out the nipple.

有一些男婴或女婴在生后可以出现乳房增大，特别是生后5一7天更加明显，像蚕豆或核桃大小，甚至还发现乳头周围乳晕区发黑，如果挤乳房还可发现乳头流出。

With technology's revolution by days, competition sharply growth in nowadays, we make endeavors on improving and renovating our technology in metal surface treatment and importing new product category. The same time ,to meet the environment and market growing demand, our room temperature nigrescence and degrease reagents meet ROHS standards, achieved SGS certification finally.

科技月新日异，市场竞争日益加剧，热士化工针对新技术的发展与一向为客户所重视的产品稳定性，不断致力于产品的技术革新及先进和高质之金属表面处理技术、产品的引进，同时为了响应环保及满足市场需求，热市化工产品钢铁常温发黑剂及脱水防锈油已经达到欧盟ROHS指令的要求，并通过了SGS公司的认证。

With technological innovation by days, competitiveness sharply growth in nowadays, we make endeavors on improving and renovating our technology in metal surface treatment and importing new product category. The same time ,to meet the environment and market growing demands, our room temperature nigrescence and degrease reagents meet ROHS standards requirements ,with SGS certification achieved finally.

科技月新日异，市场竞争日益加剧，热士化工针对新技术的发展与一向为客户所重视的产品稳定性，不断致力于产品的技术革新及先进和高质之金属表面处理技术、产品的引进，同时为了响应环保及满足市场需求，我们众多产品中的钢铁常温发黑剂及脱水防锈油产品已经达到欧盟ROHS指令的要求，并通过了SGS公司的认证。

The hue, saturation, printing ink, transparency on the coloring aluminized paper deeply effect, normal 3 times 4 times sanding pigments, while reducing the fineness, but it's easy to make the ink pigment of the shade of dark nigrescence, and has returned to rough.

油不朱的色调、饱和量、透明量不差镀铝纸呈色成果盖系极不小，别致的3不主～4不主砂磨颜料，虽可降矮细量，但很容难使油不朱洋的颜料色平发黑、发亮，并有返粗本体呈现。

Aiming at copper cable nigrescence problems in process of producing cable by using white PVC colloid particle,the PVC partiles was tested by TGA ,DSC, TGA -FTIR.

针对使用白色聚氯乙烯胶粒生产的铜质电缆线氧化变黑问题，对PVC胶粒进行了热重分析、差示扫描量热分析、热重-红外光谱联用分析等一系列测试，分析PVC胶粒在规定的加工条件下是否会引起铜质电缆线发黑。

ReShi Chemicals is a specialist in manufacturing and distributing metal surface treatment reagent: phosphorus treatment reagent, water treatment reagents, electro-plating additive reagents, normal temperature nigrescence reagent, pre-treatment reagents ,etc.

是一家专业从事金属表面处理药剂：磷化处理药剂、水处理剂、电镀添加剂、钢铁常温发黑剂以及前处理产品的生产商和代理商。

Nigrescence high temperature stainless steel pipe.

发黑高温不锈钢管。

ReShi Chemicals is a specialist in manufacturing and distributing metal surface treatment reagents: phosphorus treatment reagent, paints fog coagulating agent , electro-plating additive reagents, normal temperature nigrescence reagent, pre-treatment reagents ;refinishing paint total solutions; rare earth oxide compound ;offer burning inhabitor and deadening agent for rubber,special paints and Nylon industry.

专业为金属加工行业提供磷化处理药剂、水处理剂、电镀添加剂、钢铁常温发黑剂以及前处理产品；为汽车行业提供专业的汽车修补漆整套解决方案，喷漆房水处理解决方案；为玻璃陶瓷行业提供高性价比的稀土金属氧化物产品；为橡胶尼龙，涂料以及化妆品行业提供高效阻燃剂及消光剂。

His nose was particularly white and his large nostrils, correspondingly dark , reminds me of an oboe when they dilated.

他的鼻子特别白，而他那对发黑的大鼻孔在张大时使我想起双簧管。

In this process, the phosphatization is incorporated to increase the thickness of the film, and the transition element salt is used as blacken agent to take the placeIIof soluble silver or cOPper salt.

采用非银盐、铜盐发黑剂，系统研究了锌镍合金镀层的黑色钝化工艺，并将磷化工艺结合进钝化中，得到了厚膜型钝化膜。

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。