液化硫化氫 的英文怎麼說
中文拼音 [yèhuàliúhuàqīng]
液化硫化氫
英文
hydrogen sulphide liquefied-
A new method was introduced in this paper : the practability of adopting sodium sulphide instead of hydrogen sulphide for colorific agent has been studied and determinated the optium test condition
研究了採用硫化鈉溶液取代硫化氫作為顯色劑的可行性,並確定了最佳的測定條件。The current test method of heavy metals in edible alcohol is adopted colorimetric method using hydrogen sulphide saturated solution as colorific agent, this method is toxic, disagreeable odour, contaminated, overlaborated and time expended
摘要食用酒精重金屬檢驗方法目前是採用飽和硫化氫溶液作顯色劑的比色測定法,該法毒性大、氣味難聞、污染嚴重、繁瑣、耗時。Test method for hydrogen sulfide in liquefied petroleum gases lead acetate method
液化石油氣中氫化硫測試方法Liquefied petroleum gases. detectionof hydrogen sulfide. lead acetate method
液化石油氣.硫化氫的檢測.醋酸鉛法Methods of test for petroleum and its products - liquefied petroleum gases - detection of hydrogen sulfide - lead acetate method
石油及其產品的試驗方法.液化石油氣.硫化氫的測定.乙酸鉛法In this paper, the mechanism and forming process of the cracks in view of the stress corrosion were analyzed accounting for the pressure vessels working in the atmosphere of wet hydrogen sul - phide, sodium hydroxide or liquidized ammonia
本文分析了壓力容器及設備在濕潤硫化氫、氫氧化鈉溶液和液氨介質中應力腐蝕開裂的機理和應力腐蝕開裂的過程。Petroleum products. liquefied petroleum gases. determination of total sulfur. determination with oxyhydrogen burner or lamp
石油產品.液化石油氣.總硫量的測定.用氫氧燃燒器或燈測定To determine the vitriolic solute quality mark in sewage does following tests : take 10 grams this sewage, chase to the middle of sewage drop join solute quality mark to change sodium solution for the oxyhydrogen of 4 %, if plan institute is shown, the ph change of the quality of solution of natrium of oxidation of place drop hydrogenation and solution concerns
為測定污水中硫酸的溶質質量分數做如下實驗:取10克該污水,向污水中逐滴加入溶質質量分數為4 %的氫氧化鈉溶液,所滴加氫氧化鈉溶液的質量與溶液的ph變化關系如圖所示。The save energy mould pump of the corrosiveness of the ministry of industry such as chemical industry and chlorine alkali, chemical fertilizer, dyestuff, reagent, pesticide, pharmacy, electroplating and environmental protection etc door transport that pf ( fs ) mould chemical industry pump can satisfy to carry many kinds of consistency sulphuric acid, hydrochloric acid, nitric acid, acetic acid, phosphoric acid, chromium acid, oxalic acid, hydrofluoric acid and the lye, organic solvent and oxidizer geometric ratio medium under - 50 s - 80 s temperature conditions and is not han s anything small and roundish medium
型化工泵能滿足輸送- 50 80溫度條件下的多種濃度硫酸、鹽酸、硝酸、醋酸、磷酸、鉻酸、草酸、氫氟酸和堿液、有機溶劑、氧化劑等化學介質、是化工、氯堿、化肥、染料、試劑、農藥、制藥、電鍍、環保等工業部門輸送不含顆粒的腐蝕性介質的節能型泵。The effective regeneration procedure is soaking the adsorbent 30 ~ 50h with 1 - 2 % al2 ( so4 ) 3 for activated alumina and 20 ~ 30h with 1 - 1. 5 % naoh for bone char. studies show both activated alumina and bone char are excellent adsorbents for the removal of fluoride from drinking water. fluoride concentration below 1. 0mg / l can be acquired easily with them and meets the requirement of drinking water standards
對兩種除氟劑進行的再生液與吸附劑體積比為1 : 1的再生實驗表明:用硫酸鋁溶液對活性氧化鋁再生,再生濃度為1 2 ,再生時間為30 50h ,沖洗浸泡時間為5h效果較好;對骨炭再生,氫氧化鈉再生液濃度為1 1 . 5 ,再生時間為20 30h效果較好。This paper illustrates the reaction of larch bark tannin extracts with sulfite and sodium hydroxide and the tests of its solution viscosity, mw - distribution and thin - layer chromatography
摘要通過對落葉松栲膠進行亞硫酸鹽和氫氧化鈉的改性,則定其溶液黏度,用不同溶劑進行分級和薄層色譜。Water has higher melting point, boiling point, heat of vaporization, heat of fusion and surface tension than comparable hydrides such as hydrogen suiphide or ammonia or most liquids
與氫硫化物、氨水或其他大多數的液體相比,水具有較高的熔點、沸點、蒸發比熱、熔解熱和表面張力。This paper stuffed with twelve important grain and vegetable crops, studied the injury symptom, dose reaction, injury threshold value and influential factor of main pollutant so2 on various plants, tested the dynamic transformation of pod, cat, mda, soluble protein, free pro and chlorophyll of resistant plant and sensitive of these physiological biochemical transformation with plant resistant ability. meanwhile, simply studied the protective role of the five compounds on plant. the result indicated the followings
本實驗以12種重要的糧食和蔬菜作物為研究對象,研究了主要大氣污染物二氧化硫( so _ 2 )對不同植物的傷害癥狀、劑量反應、傷害閾值以及影響因素,測定了抗性和敏感植物在受到so _ 2污染后植物體內過氧化物酶( pod ) 、過氧化氫酶( cat ) 、丙二醛( mda ) 、可溶性蛋白質、游離脯氨酸和葉綠素的動態變化,並分析了這些生理生化變化和植物抗性的相互關系,同時還對5種化合物溶液對植物的保護作用進行了初步研究,結果表明: 1In view of process technology of potassium sulfate by neutralizing potassium hydrogen sulfate with ammonia, the effects of mole ratio of potassium chloride to sulfuric acid, reaction temperature and reaction time on preparation of middle product potassium hydrogen sulfate have been studied in aqueous solution
針對硫酸氫鉀用氨中和制備硫酸鉀的生產工藝,研究了水溶液中氯化鉀和硫酸反應的原料配比、反應溫度、反應時間等因素對制得的中間產品硫酸氫鉀影響。Testing of liquid mineral hydrocarbons ; determination of mercaptan sulfur content, potentiometric and amperometric methods
液體礦物油碳氫化合物檢驗.硫醇硫含量的測定.電位測Researchers then took saliva and tongue coating samples to measure bacteria levels and odour - causing compounds, including hydrogen sulphide
然後研究者們提取了他們唾液和舌苔的樣本,用於測量口腔內的細菌水平和能誘發異味的化合物,如硫化氫。They are poly ( sodium methacrylate ) / cds ( pmaana / cds ), pmaana / pbs, poly ( sodium acrylate ) / la ( oh ) 3 ( paana / la ( oh ) 3 ) and paana / pbs, respectively. ( 1 ) preparation and properties of pmaana / cds composite particles pmaana microgels containing cd2 + were prepared by inverse emulsion polymerization method. then, h2s gas was introduced slowly into the system, and the metal ions were deposited within the microgels as cds
( 1 ) pmaana cds復合微球的制備與性能研究首先,利用反相乳液聚合的方法,制備得到了包埋cd ~ ( 2 + )的pmaana微凝膠,然後通過外源沉積(即向反應體系中緩慢通人硫化氫氣體) ,得到了pmaana cds有機-無機復合材料。Nano - cuo powders were successfully prepared by pressure - hydrothermal method with cuso4 5h2o and naoh as materials. xrd, sem and tem were used to characterize the samples. the influence of raw materials " initial concentration, thermal treatment " temperature, pressure and thermal treatment " time on the morphology and size of cuo were analyzed, and the possible growth mechanism was also discussed
以硫酸銅和氫氧化鈉為原料,用壓力-熱液法合成了納米氧化銅粉體,用xrd 、 sem 、 tem對所制得的氧化銅進行了觀察與表徵,分析了原料起始濃度、熱處理溫度、壓力、 ph值及熱處理時間對氧化銅形態和大小的影響,初步探討了不同形態氧化銅的生長機理。分享友人