過氯化 的英文怎麼說
中文拼音 [guòhuà]
過氯化
英文
perchlorizing-
Using refined cotton, chloroacetic acid, sodium hydroxide and hydrogen peroxide as main feedstock, sodium carboxymethyl cellulose was made by the process of basification, etherification, abstersion and drying
摘要以精製棉、氯乙酸、氫氧化鈉和過氧化氫為原料,經過堿化、醚化、洗滌、乾燥,制得羧甲基纖維素鈉。The experimental results showed that in the condition of this experiment four algaecides all had strong removing rate on algae, and their removing rate increased with dose increasing, and decreased with algae density increasing. according to the removing rate on algae and cost value or so, the sequence of four algaecides from good to bad were potassium permanganate, copper sulfate, hydrogen peroxide and sodium hypochlorite. in the condition of this experiment, the suitable dose of potassium permanganate was 0. 8mg / l, the algal removing rate was beyond 90 % and the cost of this algaecide was only 0. 0068 / m3. the efficiency of algae removal by four algaecides for huanghe river water was studied. the results showed that the majority of huanghe river water was bacillaroiphyta, and the dominant genera was melosira, which reached 78 % ~ 94 %
結果表明,在實驗條件下,四種殺藻劑均具有一定的殺藻效果,藻類去除率均隨藥劑投量的增加而提高;原水藻類數量影響殺藻劑殺藻效果,四種殺藻劑的藻類去除率均隨原水藻類數量的增加而降低;通過殺藻效果、經濟性以及安全性等方面的綜合比較,對于以有毒藍藻為優勢藻屬的引灤水,四種殺藻劑的優劣程度從優到劣排序為:高錳酸鉀硫酸銅過氧化氫次氯酸鈉;在實驗條件下,高錳酸鉀適宜投加量為0 . 8mg l ,藻類去除率高於90 ,所需的藥劑費用僅為0 . 0068元m ~ 3 。Preliminary supercooling research on calcium chloride hexahydrate as phase change material
六水氯化鈣相變材料過冷性質的研究Through the phase diagram analysis and calculation, a production method to improve the quality of carnallite by evaporating the bittern from which the sodium chloride has been eliminated by brine mixing method is presented in this paper
摘要通過相圖分析及計算,介紹了一種「由鹽湖鹵水兌鹵除氯化鈉后,首先獲得成礦鹵水,然後對其蒸發制取質量較好光鹵石礦」的生產方法。At 22 h reperfusion, removal of androgens by castration provided protection from ischemic injury in both cortex and striatum ( 2, 3, 5 - triphenyltetrazolium chloride ( ttc ) histology ), whereas dht replacement ( 50 mg subcutaneous implant ) restored infarction volume to that of the intact male ; testosterone ( 50 mg ) had similar but less potent effects
再灌注22小時時,通過閹割來去除雄激素對皮層和新紋狀體的缺血性損傷都產生了保護作用(氯化三苯四唑組織學) ,相反的,雙氫睪酮替代( 50毫克皮下植入)對于完好的雄性動物也恢復了梗死面積;睪酮( 50毫克)有著相似但更弱的效應。At 22 h reperfusion, remoal of androgens by castration proided protection from ischemic injury in both cortex and striatum ( 2, 3, 5 - triphenyltetrazolium chloride ( ttc ) histology ), whereas dht replacement ( 50 mg subcutaneous implant ) restored infarction olume to that of the intact male ; testosterone ( 50 mg ) had similar but less potent effects
再灌注22小時時,通過閹割來去除雄激素對皮層和新紋狀體的缺血性損傷都產生了保護作用(氯化三苯四唑組織學) ,相反的,雙氫睪酮替代( 50毫克皮下植入)對于完好的雄性動物也恢復了梗死面積;睪酮( 50毫克)有著相似但更弱的效應。In this paper, the application of centum cs1000 of yokogawa in the benzene chloride production is discussed. the system struct, software and hardware of the engineering workstation and human interface station, system configuration, safety property and grounding are also studied
本文以實際工程為背景,論述了橫河的centumcs1000在氯化苯生產過程中的應用,對系統選型、工程師站和操作員站軟硬體配置、現場控制站配置、系統組態、安全性、接地等問題進行了一定的探討。The effects of potassium permanganate, chorine and ozone were compared and the results showed that although all of them could enhance coagulation and then reduce the turbidity of the water after subsequent treatment units, potassium permanganate and ozone were more effective to ensure the quality of the water after air - flotation and sand - filtration
對高錳酸鉀、氯和臭氧三種氧化劑進行分析比較,結果表明三種氧化劑均能提高混凝效果,但高錳酸鉀預氧化和預臭氧化在提高氣浮和過濾出水水質保障率方面均優于預氯化。The shading of the color can be varied to match natural hues very closely by increasing or decreasing the amount of cobalt chloride.
通過增加或減少氯化鈷的用量能夠調節顏色的深淺程度使其和天然顏色非常相近。While rock salt ( nacl ) is relatively abundant and a very cheap deicer, it is endothermic while melting, pollutes the environment and accelerates corrosion of vehicles, bridges, guardrails and reinforcing steel in concrete
以氯化物鹽為主的傳統型除冰劑雖然原料廉價易得,冰點低,但融解過程吸熱,對環境造成污染,對道路設施產生腐蝕。The main study in this paper included as follows : the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city ; the acute toxicity and joint toxicity of mercury and selenium to swordtail fish ( xiphophorus helleri ) ; the damage of mercury to the indexes of antioxidant system in the gills and livers in swordtail ( including the measurement of the activities of total antioxidative capacity [ t ~ aoc ], superoxide dismutase [ sod ], glutathione peroxidase [ gsh - px ] and the concentration of malondiald - ehyde [ mda ] ) and the relief effects of selenium on it, as well as the physiological damage of mercury on the tissues, namely : the antagonistic effect of na + - k + ~ atpase activity on the tissues between selenite and mercury, and the ultrastructural damage under the exposure of mercury
研究內容主要有:廣州市河涌沉積物及底棲生物體內重金屬含量及評價;汞和硒對劍尾魚的急性毒性和聯合毒性及安全濃度的評價;汞對劍尾魚鰓和肝臟中抗氧化系統的毒性,包括對總抗氧化能力、超氧化物歧化酶、谷胱甘肽過氧化物酶活力及丙二醛含量的測定及硒對其保護作用;汞對劍尾魚組織生理毒性即:汞對na ~ + - k ~ + atpase活力的影響及硒的保護作用和汞和對劍尾魚組織超微結構的損傷等。以高氯酸?硝酸消化法和火焰原子吸收分光光度法測定了廣州市河涌沉積物和底棲生物中重金屬含量。Pentachlorophenol ; immobilized enzyme ; catalyzed oxidation ; removal ; horseradish peroxidase
五氯苯酚酶固定催化氧化去除辣根過氧化物酶Through orthogonal design experiments on synthesizing p - tert - butylcstechol from hydroquinone and isobutylene by using a new catalyst prepared from cobalt naphthenate and zinc chloride, the optimum technology parameters were obtained : mole ratio was 1 : 1. 15 for hydroquinone and isobutylene, mass ratio was 100 : 20 for hydroquinone and catalyst, and the reaction temperature was 100 5
摘要用環烷酸鈷與氯化鋅復配的新型催化劑,以鄰苯二酚、異丁烯為原料合成對叔丁基鄰苯二酚,通過正交實驗確定的較佳工藝參數為:鄰苯二酚:異丁烯(物質的量比) 1 : 1 . 15 ,鄰苯二酚:催化劑(質量比) 100 : 20 ,烷基化反應溫度100 5 。Water quality - gas - chromatographic determination of a number of monocyclic aromatic hydrocarbons, naphthalene and several chlorinated compounds using purge - and - trap and thermal desorption
水質.通過purge - and - trap及熱解吸作用對單環芳香烴奈和不同氯化物的氣相色譜測定Analysis f k and na in nepheline were curried out with higher precision and repeatability by means of adding fluohydric acid during sample melting to remove sio2, adjusting the ratio of k and na in the solution to reduce the mutual interference of the two elements, and adding cesium chloride to eliminate ionization interference
摘要本方法用於測定霞石中的鉀、鈉,主要通過在溶樣時加入氫氟酸除去二氧化矽,調整溶液中鉀、鈉的含量,消除互相之間的干擾,加入氯化銫消除電離因素的干擾,提高了分析結果的準確性和重現性,使測定結果更接近化學分析值。Analysis of k and na in nepheline were curried out with higher precision and repeatability by means of adding fluohydric acid during sample melting to remove sio2, adjusting the ratio of k and na in the solution to reduce the mutual interference of the two elements, and adding cesium chloride to eliminate ionization interference
摘要本方法用於測定霞石中的鉀、鈉,主要通過在溶樣時加入氫氟酸除去二氧化矽,調整溶液中鉀、鈉的含量,消除互相之間的干擾,加入氯化銫消除電離因素的干擾,提高了分析結果的準確性和重現性,使測定結果更接近化學分析值。Flumiclora - pentyl was prepared from p - fluorophenol as starting material via several steps such as chlorination, nitrification, reduction and condensation. the yield of the product was 50 %, and the purity was higher than 97 %
摘要以對氟苯酚為原料,首先與氯氣發生反應,生成2 -氟4 -氯苯酚,再經過硝化、還原、縮合等幾步反應得到氟胺草酯,反應總收率達到50 % ,產品純度大於97 % 。The topic is on the basis of the synthesis of the basic magnesium chloride whisker. the research perform the recycling experiment on the synthesis and property of the basic magnesium chloride whisker by adding ammonia or magnesium chloride and ammonia simultaneously into the mother liquid of crystal and during the synthesization of the basic magnesium chloride whisker, we add the seed crystal, additive, or surfactant in order to increase the yield of crystal
在課題組已成功合成堿式氯化鎂晶須的基礎上,為提高堿式氯化鎂晶須的產率,進行了在結晶母液中補加氨水或同時加入氨水和氯化鎂的循環試驗,並進行了在合成堿式氯化鎂結晶過程中加入添加劑、晶種和表面活性劑試驗,研究對堿式氯化鎂晶須合成及性能的影響。They immersed a lead object first in copper acetate ( a compound made by letting vinegar corrode copper ), and then in a silver solution created by dissolving silver chloride in dilute ammonia ( which ancient chemists made from urine )
它們首先把鉛製品浸沒在醋酸銅(通過醋酸腐蝕銅而制得的化合物)中,然後放在銀溶液中,銀溶液是通過把氯化銀溶解在稀釋的氨水(古代化學家從尿中制得)中而制得的。Methods : hyperosmotic pressure animal model was established by administering 3 % sodium chloride as drinking water to rats or increasing osmotic pressure of the culture medium. osmoregulation positions in the brain, reciprocal projection pathways between the medullary visceral zone ( mvz ) and supraoptic nucleus ( son ) or hypothalamic paraventricular nucleus ( pvn ), oscillation of intracellular calcium in cultured neurons and astrocytes were studied by means of anti - fos, glial fibrillary acidic protein ( gfap ), tyrosine hydroxylase ( th ) or vasopressin ( vp ) multiple imrnunohistochemical staining, immuno - electronic microscope, wga - hrp retrogradely tracing and cell culture methods. results : ( 1 ) fos positive neurons within the mvz, parabrachial nuclei, locus ceruleus, pvn, son, subfomical organ increased markedly
方法:通過給予大鼠飲用3氯化鈉或提高培養基滲透壓濃度的方法復制高滲刺激模型,主要採用抗fos 、膠質原纖維酸性蛋白( gfap )和酪氨酸羥化酶( th ) (或加壓素? vp )免疫組織化學多重染色、免疫電鏡、 wga - hrp束路追蹤結合免疫組織化學多重染色、細胞培養等實驗方法,系統觀察了中樞參與滲透壓反射的調控部位、下丘腦視上核( son )神經元? ast超微結構的變化、延髓內臟帶( mvz )和son及下丘腦室旁核( pvn )之間往返投射通路和神經元的性質及其與ast的關系、培養神經元和ast內鈣波的變化。分享友人