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In most water disposal, it pay attention to pollution, and color and Ultimate oxygen demand. But, some like Hydrargyrum, Cadmium and other minim-element, because of minuteness content, it has difficulty to inspect. But super-scale minim-element has harm to body's health. In an more and more pollution society, to inspect the minim-element is especially importance.

在处理自来水的过程中,大多只注重了水中的污染物,色度和部分有机物,对于水中含有的各种微量元素,例如:汞,镉,锌等,通常由于其含量微小,而对其进行常规监测有一定的难度,但是微量元素超标对人体健康有着极其的危害,在社会污染日趋严重的今天,对微量元素的监测显得格外重要了。

Methods (1) The device for study was determined by comparing the fluorescent images obtained by laser scanning confocal microscope and CCD fluorescent microscope respectively. The mercury-arc lamp of fluorescent microscope was studied to value its possibility to be used as the irradiation light source. Various image analyzing and processing methods were compared to determine which one was the best to be applied in this study.

(1)实验系统的建立:分别利用激光扫描共聚焦显微镜和CCD荧光显微镜采集ECV 304细胞的DCF荧光图像,并比较两者的成像质量,实验可操作性等技术指标;主要测量输出功率、功率稳定性以及光斑直径这三个指标,考察荧光显微镜的高压汞灯作为本研究中照射光源的可行性;比较并选择合适的荧光图像的分析与处理方法。

Results (1) CCD fluorescent microscope was superior to laser scanning confocal microscope in collecting the fluorescent image of DCF. CCD fluorescent microscope was chosen to be the system applied in this research with the consideration of operation, cost and et al. The mercury-arc lamp of fluorescent microscope was fit for the requirement of our study. The wavelength range of the light output was 460-490 nm and the power density was about 100mW/cm in the condition of our study. Organelle-cell fluorescence intensity ratio analysis was more suitable than other methods.

结果:(1)CCD荧光显微镜采集到的DCF荧光图像的质量优于共聚焦显微镜,同时综合考虑包括采图质量、光照射剂量的可控性、实验成本和操作简便性等诸多因素,最终确定了CCD荧光显微镜作为实验研究的工具;荧光军医进修学院硕士学位论文中文摘要显微镜的汞灯输出功率稳定,光斑均匀,经本实验所选取的光路系统后输出波长范围为460一490nm,功率密度约为1 00 mw/cm;细胞器一细胞荧光强度比值法对于荧光分布位置的确定优于其他方法。

It also classifies them in accordance with the compound method of triazene reagents as follows: reagents diazotizated with sodium nitrite and muriatic acid, reagents diazotizated with nitrosyl positive ion, reagents diazotizated with n-butyrate nitrite.These reagents with high sensitivity and good choice have been widely applied to the determination of microa mounts of cadmium and...

按三氮烯类试剂合成的方法进行分类,分别为在亚硝酸钠和盐酸作用下重氮化的试剂,在亚硝酰正离子作用下重氮化的试剂,在亚硝酸正丁脂作用下重氮化的试剂,此类试剂灵敏度高,选择性好,广泛应用于被镉、汞等过渡金属离子污染的环境样品的分析中。

Thesources of self-pollution in agriculture production of Shanghai suburbs are mainlythe agriculture pesticides,chemical fertilizers,urine and excrements of fowls and animalsand the agriculture plastic films at present. Before the seventies,organic mercury pesticides and organic chlorine pesticides wereused in Shanghai suburbs.It influenced the environment greatly. During the eighties,thepesticides making great influence were mainly organic phosphorus and tyiethroids;the fer-tilizer causing great influence ...

上海市郊农业生产中的自身污染,目前主要有农药、化肥、畜禽粪尿和农用塑料薄膜。70年代以前,上海曾施用过有机汞、有机氯等农药,对环境的影响较大。80年代以来,影响较大的农药主要是有机磷和菊酯类;化肥主要是氮肥施用过多,导致蔬菜硝酸盐含量过高;畜禽粪尿已成为郊区突出的新污染源,造成水体的严重污染;各类农用塑料薄膜也是必须重视的新潜在污染物。

Investigted and studied the discard the slay of wenxing spelter worksto the near area pollution in the city of Xuanwei, and proposed restoration the ecological systemas soon as possible is of necessity, importance and the method step.",,"

要:宣威市文兴炼锌厂虽然取缔停产了,但是随意堆放的废弃炉渣产生的污染远没有结束,炉渣中所含的铜、锌、汞、铅、镉、镍等重金属元素对当地居民生产、生活和健康造成的危害是大的;本文调查分析了宣威市文兴炼锌厂废弃矿渣对周边地区污染状况,提出了尽快恢复生态环境的必要性、重要性和方法步骤。","

The present invention adopts ammonium salt solution as leach, and adopts the liquid-phase oxidation activating agent formed from surfactant sodium ligno-sulfonate or sodium dodecyl sulfonate, liquir phase oxidation catalyst Cu(2+) and sulfur-extracting agent tetrachloroethylene to implement quick leaching process of sulkfide mineral in gas-liquid-solid three-phase reactor, all the sulfurs contained sulfide in mineral powder can be converted into elementary sulfur and sulfuric acid radical, the contained zinc, copper, nickel, cobalt, lead, cadmium and silver can be changed into soluble salt, and fed into leach or remained in the leaching out slag.

本发明涉及的有色金属硫化矿的铵盐液相氧化直接浸出方法,其特征在于:采用铵盐溶液作浸出剂,采用由表面活化剂木质磺酸钠或十二烷基磺酸钠,液相氧化催化剂Cu2+、萃硫剂四氯乙烯组成的液相氧化活化剂,在气液固三相反应器内,实现硫化矿的快速浸出过程,矿粉中各种硫化物所含的硫转变为单质硫和硫酸根,所含的锌、铜、镍、钴、铅、镉、银等变成可溶性盐类进入浸出液中或留在浸出渣中,消除传统流程中二氧化硫,硫化氢,氮氧化物及含砷含汞含铅等有毒烟气的排放。

Though much less expansive than Mangione's other Mercury concerts (only 37 minutes on a single CD or LP), Land of Make Believe is the most successful of the lot, a winning combination of attractive tunes, big-thinking orchestrations, just enough jazz content, and a genuinely felt sense of idealism.

虽然少得多膨胀比戈登其他汞音乐会(仅37分钟,在一张CD或LP),对假装土地是许多最成功的,有吸引力的音乐成功结合,大思想管弦乐,刚够爵士乐的内容,和理想主义真正感觉到的。

This is clear fused quartz glass tube available as continuous machine drawn and automatic controlled tubing .this glass has the typical characteriastics of high purity ,good spectral transmission,weellcontrolled dimension and lower OH and so on .it serves as the first choice of heat resistant material for halogen lamps ,mercury lamps ,metal halide lamps and other quartz lamps .this glass can be supplied in the range of 3-80mm outside diameter,0.6-2.0mm wall thickness and 1200-1500mm length.

采用先进的连熔法生产技术,结合有效的自动控制系统生产出的透明石英玻璃管,具有纯度高,透射性强,尺寸控制严格,羟基含量低等特点,是卤素灯、汞灯、金卤灯和其他石英灯的首选抗高温材料,本公司生产的主要尺寸为外径3-80mm,壁厚0.6-5.0mm,长度1200-1500mm。

This is clear fused quartz glass tube available as continuous machine drawn and automatic controlled tubing. This glass has the typical characteriastics of high purity, good spectral transmission, well controlled dimension and lower OH and so on. It serves as the first choice for heat resistant materials for halogen lamps, mercury lamps, metal halide lamps and other quartz lamps. This glass can be supplied in the range of 3-80mm outside diameter, 0.6-2.0mm wall thickness and 1200-1500mm length.

采用先进的连熔法生产技术,结合有效的自动控制系统生产出的透明石英玻璃管,具有纯度高、透射性强、尺寸控制严格,羟基含量低等特点,是卤素灯、汞灯、金卤灯和其他石英灯的首选抗高温材料,本公司生产的主要尺寸为外径3-80mm,壁厚0.6-2.0mm,长度1200-1500mm。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

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双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。