查询词典 arsenic

The transparent iron oxide yellow was prepared by using the yellow precipitates after separating arsenic and iron from the wastewater.

对生物氧化提金废液进行砷、铁分离，得到铁沉淀物用于制备透明铁黄。

As a product, the iron oxide yellow made in such a way is in accordance with ISO1248-1974, thus realizing the waste recovery of iron from acidic arsenic- containing wastewater and its applications.

利用冶金废液选择性沉淀得到的铁沉淀渣制备出透明铁黄，实现了铁的资源化回收利用。

Pregnant women exposed to lead, benzene, toluene, xylene, ethylene chloroprene, mercury and mercury compounds, arsenic, cyanide, nitrogen oxides, carbon monoxide, chlorine, carbon disulfide, styrene, ethylene oxide, aniline and formaldehyde and other chemicals prone to pregnancy-induced hypertension syndrome, appears lower extremity edema, blood pressure, urine protein appeared, and there will be a serious headache, vertigo, chest tightness and other symptoms, or even convulsions.

妇女怀孕后接触铅、苯、甲苯、二甲苯、氯丁乙烯、汞和汞的化合物、砷、氰化物、氮氧化物、一氧化碳、氯气、二硫化碳、苯乙烯、环氧乙烷、苯胺和甲醛等化学物质容易患妊娠高血压综合症，出现下肢浮肿、血压增高、尿中出现蛋白，严重时会出现头痛、眼花、胸闷等症状，甚至发生抽搐。

This environmentally friendly pretreatment process was under mild condition, and, compared with conventional methods, it can shorten oxidation time. The study provides a practical and effective pretreatment method for the exploitation of similar high-sulfur and high-arsenic RGC.

该预处理方法氧化条件温和，对环境友好，氧化时间短，为同类高硫高砷难选金精矿的开发利用提供了一种简单有效的预处理方法。

Results of the study demonstrate that arsenic in the surface soil of Chengdu basin has approximately six kinds of sources, among which sedimentary series of post-Triassic, Jurassic and Cretaceous systems along Longmen orogenic belt and acid magmatic and basic-ultrabasic rocks in the area are three main sources.

研究结果表明：成都盆地浅层土壤中砷的来源有6种，其中龙门山一带晚三叠纪、侏罗纪、白里纪沉积岩系和酸性岩浆岩及基性岩、超基性岩是成都盆地浅层土壤的主要来源。

Results: HL-60 cells＇ growth was obviously inhibited after induction with different density arsenic trioxide; autophagy vesica was observed using fluorescent microscope; Bcl-2 gene expression was inhibited; cells autophagy level was negative correlated with Bcl-2 gene expression.

结果：经不同浓度As2O3作用后，HepG-2细胞生长明显受到抑制；荧光显微镜可观察到自噬囊泡的出现；Bcl-2基因表达降低；经相关性分析，HL-60细胞自噬水平与Bcl-2基因表达呈负相关。

Experimental study on arsenic trioxides effects on human hepatic cancer cell lines BEL-7404,SMMC-7721 and nude mice transplants of hepatic carcinoma

论文标题：三氧化二砷对肝癌细胞株BEL-7404，SMMC-7721和肝癌裸鼠移植瘤模型作用的实验研究

The results showed that Acidithiobacillus ferrooxidans could effectively solubilise realgar and 16.3% arsenic dissolution could be achieved in 30 days under the conditions of pH 1.8 in Iron free 9 K medium (with additional 1.0g of ferrous iron per liter and 0.5% of realgar), 150 rpm, 30°C. The trace elements of Zn, Cu, Mg, Mn, Fe and Se et al. could also be effectively leached.

实验结果表明，氧化亚铁硫杆菌能够有效溶解雄黄中不溶性的硫化砷，30 ℃，pH1.8，以20%接种量接种驯化后的氧化亚铁硫杆菌BY-3条件下135r/min摇瓶浸出30天砷的溶出率可达16.3%，Zn、Cu、Mg、Mn、Fe、Se等有益微量元素都能够得到有效浸出。

However, there has not been any significant and innovative improvement in the methods used for removing arsenic or for stabilizing sludges and residues, in the last decade.

然而，在过去的十年内，这除砷的或者稳定污泥和残留物的方法仍然没有重要和创新的改进。

The main results in this thesis were as follows: 1 Proposed a simple and sensitive method for the determination of total arsenic in sinters by hydride generation atomic fluorescence spectrometry.

本论文的各项实验内容及结果摘要如下：1 采用氢化物发生原子荧光光谱法测定烧结物中的总砷含量。

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。