堿土金屬 的英文怎麼說
中文拼音 [jiǎntǔjīnzhǔ]
堿土金屬
英文
alcaline-earth metal-
Method of analysis baryte for export. determinationof water - solluble alkaline earth metals as calcium
出口重晶石分析方法.水溶性堿土金屬以鈣計的測定Exploration and research of miniaturization of property experiment of alkaline - earth metal compunds
堿土金屬化合物性質實驗的微型化研究In recent years, the colossal magneto - resistance effect in rare - earth manganite perovskites of the type lni. xaxmno3 ( where ln is rear - earth irons la2 +, nd2 +, p2 + ; a is alkaline earth iron ca2 +, sr2 +, ba2 + ) has attract considerable attention in scientific studies due to its potential application. however, the poor temperature dependence of mr and the low - temperature mr effect and the ideal mr only in high field severely limit their practical utility. in this work, we prepared manganite perovskite lai - xsrxmno3 and soft - magnetic ferrite materials fe2o3 and ( ni, zn ) fe2o4 by using sol - gel method separately
近些年來，人們發現在鈣鈦礦錳氧化物ln _ （ 1 - x ） axmno _ 3 （ ln為la ， nd ， pr等稀土金屬元素； a為ca ， sr ， ba等堿土金屬元素）中具有磁電阻（ magnetoresistance ）效應，由於它在磁記錄，磁傳感器方面具有廣泛的應用前景，同時也向傳統的磁記錄材料提出了挑戰，因而引起了物理學界的廣泛關注。From the aspects of agricultural economic and environmental ecological effects, were the effects and mechanism of rare - earth micro - fertilizer to improve the growth, development, quality and yield of the crops ; the adjustment of crops growth by influencing the number of microbial population in soil district and the function of the soil dehydrase, alkaline phosphatase, urease and sucrase ; the ecophysiological effects of alleviating the injure of acid rain, ultraviolet radiation, heavy metal on crops were illustrated ; the sureness of bee ' s use in agricultural was provided, according to the rule of the distribution and enrichment of be in crops
摘要從農業經濟效應和環境生態效應二方面，論述了稀土肥料促進作物生長、發育，提高作物產量，改善作物品質的效應與機理；影響土壤區系中微生物種群數量和土壤脫氫酶、堿性磷酸酶、脲酶及蔗糖酶的功能，繼而反饋調節作物生長；緩解酸雨、紫外輻射和重金屬傷害作物的生態生理學效應；並以稀土在作物體內分佈與富集規律為參考，探討了稀土農用的安全性。The development of solvent extraction separation of alkaline earth elements was reviewed, according to the classification of extractants
摘要本文就堿土金屬離子萃取分離的進展情況，按萃取劑的分類進行了綜述。Study on the relationship between the melting point the hardness of the alkaline earth metal oxide and the electron structure
堿土金屬氧化物熔點和硬度變化規律與電子結構的關系In manganite perovskites, substitution of divalent ions ( alkaline earth metals viz. ca, sr, ba ) in the a sublattice, introduces mn4 + ions or holes into the system. it is generally considered that the concentration of holes is equal to the concentration of divalent cations because of the charge compensation by controlled valencies
在類鈣鈦礦型晶體結構中通過摻入二價堿土金屬（如ca ， sr ， ba ）可以在系統中產生mn ~ （ 4 + ）或氧空位，由價格補償的原理，理論上摻入的二價離子的濃度和氧空位的濃度相等。Ca, sr, ba ) in the a sublattice, introduces mn4 + ions or holes into the system. it is generally considered that the concentration of holes is equal to the concentration of divalent cations because of the charge compensation by controlled valencies. a number of publications exist in the literature on the synthesis of manganite perovskites
在類鈣鈦礦型晶體結構中通過摻入二價堿土金屬（如ca ， sr ， ba ）可以在系統中產生mn ~ （ 4 + ）或氧空位，由價位補償的原理，理論上摻入的二價離子的濃度和氧空位的濃度相等。Abstract : in rock pyrolysis when the content of base metals and base earth metals is relatively high ionization interference will frequently occur
文摘:在巖石熱解分析中當巖樣堿金屬和堿土金屬離子含量較高時，經常發生離子化干擾的影響。( 1 ) for the first time, compositing the chemical compounds of alkaline - earth metal with the adsorption material, 13x molecular sieve, silica gel, and activated alumina to gain a series of composite adsorbents with good performance that higher adsorption capacity and lower regeneration temperature and suitable for adsorption refrigeration systems that can be driven by low - grade thermal energy
首次將堿土金屬化合物及其鹽類與傳統吸附材料13x分子篩、硅膠和活性氧化鋁等復合，制取具有較高吸附量和較低再生溫度的適合於以低溫熱能驅動的吸附製冷過程的一系列優良復合吸附劑。分別在自製的吸附製冷、除濕製冷模擬實驗裝置上，測得該系列復合吸附劑與水和乙醇組成的吸附製冷工質對的吸附製冷性能以及除濕製冷性能均優于傳統吸附劑（ 13x ，硅膠和活性炭） 。The paper developed a novel method of preparation of potassium ferrate by hypochlorite oxidation, and determined the optimal parameters. the experimental results demonstrate that fe ( vi ) compounds with high purity and yield can be prepared by raw technical materials. a variety of fe ( vi ) cathode materials, synthesized by potassium ferrate and alkaline - earth metal salts, provide a high - energy electrochemical discharge
採用改進的次氯酸鹽氧化法（濕法） ，以工業級的原料，在實驗室內，從1到4倍率規模合成高純度、高收率的fe （ ）化合物起始物? ?高鐵酸鉀，純度可達98 、收率在80以上；再以高鐵酸鉀為原料合成堿土金屬fe （ ）化合物或其他fe （ ）復合物，其中堿土金屬fe （ ）化合物純度可達94以上。By means of static and dynamic experiments, lots of research on the effect of micro - quantity heavy metal ions ( hmi ) removal by weakly basic anion exchange resins ( wbaer ) from drinking water ( dk ) with alkali metals, alkaline - earth metals and anions at high concentration, has been done
本文採用靜態和動態兩種試驗方法，對弱堿性陰離子交換樹脂在堿金屬、堿土金屬離子以及陰離子相對較高濃度的背景下去除飲用水中微量重金屬離子（以hg2 +為研究處理對象）的效果進行了大量試驗研究。The product is widely used for industry of petrochemical making acid and alkali smelting colouredmetal craft of washing with acid in the automobile manufacturing separating thulium agrochemical dyestuff medicament paper making plating wireless etc. the temperature in point : - 20100
本產品廣泛適用於：石油化工制酸制堿有色金屬冶煉，汽車製造的酸洗工藝，稀土分離農藥染料醫藥造紙，電鍍，無線電等行業。Cu - ni sulfided mine complex locate in baimazai of jinping county is sub alkali iron - super iron, it ' s zoning is clear and it ' s ni - cu - co melting first and enrichment, its rare earth is rich in right lean light rare earth, but eu in olive rock is serious to be bad, gd - tb is tittles negative abnormity. above - mentioned show that the mineral is cone from mantle, and didn " t mix with crustal substance, and continent tholeiite magma turning into continent tholeiite emplacement after by surging
金平白馬寨銅鎳硫化礦床雜巖體分帶明顯、屬亞堿性鐵質-超鐵質巖、具ni - cu - co三元素先熔離，后富集的規律、稀土配分為右傾斜輕稀土富集型，但橄欖巖銪虧損顯著， gd - tb微小負異常，顯示成礦物質來源地幔，與地殼物質無混染和大陸拉斑玄武巖漿上涌后變為大洋拉斑玄武巖漿侵位特點。Standard test method for length change of concrete due to alkali - carbonate rock reaction
由於堿金屬碳酸鹽礦石反應引起混凝土長度變化的標準試驗方法The results are mainly as follows : sticky quality, tuber structure, the loose and tense degree, unit weight, ph value ( decreases in the few conditons that resulting acidity strengthening ), alkalinity increases in the same soil level, root quantity and macro - element content decreases ; there has a extraordinary difference between k, ca and mg, especially for pb and cd which shows that the collecting function of soil enhances under the disturbence conditon, and other micro - elements, such as zn > mn, cu, ni get decreasing. tourism activity is one of the key reasons for water body pollution. to different recreation types, the pollution degree has the obvious difference
各景觀區所取樣點中，土壤理化性旅遊破壞區所受影響最大，呈現出質地粘重、結構變差（以塊狀為主） 、同一層次土壤松緊度增大、根系變少、容重增大、土壤ph值增大（也有個別ph減少，以致酸性增強） 、堿性增強、大量元素降低，其中對k 、 ca 、 mg影響中有顯著性的差異（又以游道類影響最為顯著） 、重金屬元素（ pb和cd ）明顯增多、顯著性的差異最為明顯，其它微量元素（ zn 、 mn 、 cu 、 ni ）逐漸減少，表明旅遊活動干擾後土壤對pb和cd富集作用增強等特點。The product is widely used for industry of petrochemical making acid and alkali smelting colouredmetal craft of washing with acid in the automobile manufacturing separating thulium agrochemical dyestuff medicament paper making plating wireless etc. to transport acid lye oil rare and valuable liquor poisonous liquid volatile liquid, especially used to ransport combustible explosive big specific gravity liquid
本產品廣泛適用於：石油化工制酸制堿有色金屬冶煉，汽車製造中的酸洗工藝，稀土分離農藥染料醫藥造紙，電鍍，無線電等行業Zmd series of self - suction magnetic drive pumps are widely applied in industries such as petrochemical industry, non - ferrous metal smelt, pesticide, acid and alkali manufacturing, papermaking, pickling technology, rare earth dialysis, electroplating and electronics etc., and it is the most updated magnetic drive pump currently
Zmd自吸式磁力泵廣泛適用於石油化工、有色金屬冶金、農藥、制酸制堿、造紙、酸洗工藝、稀土分離、電鍍、電子等行業，是目前磁力泵品種中最新穎的產品。分享友人