硅膠吸附 的英文怎麼說
中文拼音 [guījiāoxībù]
硅膠吸附
英文
silica gel adsorption-
The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological
分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象，依據astm標準及國際通用文物保護研究方法與評估準則相結合，通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定，及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響，對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。The desorption experiments in the same ph of solutions as adsorption experiments show that the desorption coefficient is bigger than the adsorption coefficient, so the adsorption of neptunium on silica gel in nitric acid belongs to irreversible process
用239np溶液進行上述實驗后，又用239np與237np的混合溶液或237np溶液進行了上述部分實驗以比較微克量的237np和示蹤量的239np在硅膠上的吸附行為。The adsorption isotherm of neptunium on silica gel correspond to the form of langmuir isotherm. according to clausius - claperon equation, from the slope in inkd vs 1 / t plot, adsorption heat could be estimated. from the data of adsorption heat it is concluded that the adsorption of neptunium on silica gel in nitric acid solutions belongs to chemical adsorption and the adsorption process is an endothermic reaction
三種價態的鎿在硅膠上吸附的等溫線符合蘭格繆爾吸附等溫線的形式，是單分子層吸附；根據克勞修斯-克拉柏龍方程，以1nkd對1 t作圖，通過直線斜率計算出吸附熱，從吸附熱的數據可判斷三種價態的鎿在硅膠上的吸附屬于化學吸附，是吸熱的過程；對npov ） 、 np （ v ）和np （ vd在硅膠上的吸附進行了比較，提出了三種價態的鋒在硅膠上吸附的機理。The effects of equilibrium time, acidity of the solution, temperature, concentration of redox reagents on the adsorption of neptunium by silica gel were carried out. desorption and isotherm adsorption experiments were also performed. the results are shown as follows : the equilibrium for adsorption of neptunium on silica gel reached rapidly
進行了吸附平衡時間、酸度、溫度、氧化還原劑濃度等條件對硝酸溶液中np （ ） 、 np （ ）和np （ ）在硅膠上吸附的影響的實驗，與吸附時同酸度條件下的洗脫實驗，用濃度為3mol l的硝酸作為解吸劑的解吸實驗。Based on testing results and soil theory, the modified mechanism of the nanometer silica fume in the clay is proposed : water molecule adsorption action, cementation action and filling action. combining the sem tests, the microstructure features of the cemented soil of nanometer silica fume are concluded
設計了三組室內試驗，分別探討了納米硅粉對粘性土物理力學性能的影響；結合試驗結果和土質學基本理論，提出從水分子吸附作用、膠結作用、填充作用三個方面探討納米硅粉與粘性土之間的作用機理。Adsorption distribution coefficients increase with the increasing of temperature. the concentrations of redox reagents have light effects on adsorption within the studied concentration range
測定了硝酸溶液中三種價態的鎿在硅膠上吸附的等溫線和表觀吸附熱。Thirdly, adsorbents used for separating propylene were studied, and agno3 / sio2 with 15. 4 % ag + load showed superior adsorption properties. the adsorptive behavior of propylene was studied and it ' s adsorption balance isotherm was fitted by langmuir equation either
然後研究了丙烯吸附劑，發現銀離子負載量為15 . 4的gsb硅膠負載agno _ 3 ，吸附劑具有良好的分離丙烯能力，研究了丙烯在該吸附劑上的吸附行為並用langmuir方程擬合了其吸附等溫線。Comparative experiment testified that agno3 was better than cucl2, if supported on the same ac modified by 30 % hno3, while silica gel was better than ac modified by 30 % hno3 as a support, if loaded with the same amount of agno3
對比實驗表明，同樣以30硝酸氧化的承德果殼炭為載體，硝酸銀與氯化銅相比，分離因數較高，但乙烯吸附量稍低；而在同樣的硝酸銀負載量情況下，與活性炭相比，以硅膠作載體時吸附劑性能更佳。( 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） 。Because the concentration of zirconium in uranium has large ranges, from 1. 50xlo ' 6 - 3. 8g / gu, not only how to decrease the remainder of uranium to eliminate its determinate effect but also how to acquire higher recovery of zirconium is considered, so the method of silica gel, the method of tbp levextrel resin chromatography, the method of tta chromatography and the method of tta extraction are compared. then tta extraction is chosen to acquire the ideal separation purpose. compared with icp - ms and icp - aes, xrf has characters of high repeatability, stability, low cost, high concentration elements analysis, the ability to determinate solid sample and having comprehensive practicability, but xrf has lower sensitivity, so how to increase the concentration of the sample to acquire better precision is a difficult problem, the optimum of operating condition : the integral time of spectral lines is 60s, the integral time of background lines is 20s, the voltage of xrf is 50kv, the electric current is 50ma
由於鈾中鋯的含量范圍很廣，從1 . 50 10 ~ （ - 6 ） 3 . 8g / gu ，在分離和測量時，既要考慮盡量地減少鈾的殘留量以消除鈾對鋯測量產生的影響，又要獲得鋯的理想的回收率，因此本文在分離方法的選擇上比較了硅膠吸附分離法， cl - tbp萃取色層法， tta萃取色層法和tta萃取分離法的優缺點，認為tta萃取分離法可以達到理想的分離效果。Abstract : the principle of production of low - dew - point nitrogen by pressure swing adsorption ( psa ) was described, and the application in the manufacture of silicone rubber was introduced
文摘:介紹了變壓吸附法制低露點氮氣的基本原理及在熱硫化硅橡膠生膠生產中的應用。Many kinds of chromatograph including silica gel, d101 resin, sephadex l - 20 gel, rp - 8 and hplc are used in extracting and separating chemical constituents form these plants. certainly, they need to select the best eluate by tlc. some technique including ms ( ei - ms, fab - ms ), id and 2d nmr ( cosy, roesy, hmbc, hmqc ) been used in identifying these chemical structures
通過各種硅膠柱層析，吸附樹脂， sephadex系列凝膠樹脂以及rp - 8類反向柱等層析材料以及高效液相色譜等技術，利用不同的洗脫體系對這兩種植物的化學成分進行分離得到純的單體化合物，然後利用ms （ ei - ms ， fab - ms ） 、一維nmr 、二維nmr （ cosy ， roesy ， hmbc ， hmqc ）等技術對這些化合物進行結構鑒定，利用ir和uv對這些化合物進行了表徵。Preparation of silica gel impregnated with zirconium oxide adsorbent for fluoride removal
硅膠負載氧化鋯除氟吸附劑的制備The dissertation consists of seven parts : chapter 1, reviews the current state of the art in mesoporous materials research, simply introduces its synthesis according to different channel structure, shape as well as derivative production. but the emphasis is focused on its application in separation science and technology, such as membrane separation, selective adsorption of gases, liquids and metal ions. the chromatographic applications for mesoporous materials are also reviewed firstly in this chapter
碩士學位論文介孔材料的合成及用作固相微萃取塗層的研究第四章:在室溫，酸性介質中，首次將合成球形硅膠的「 pica法」與介孔材料合成方法相結合，嘗試合成球形mcm一41 ，用xrd 、 nz吸附一脫附、 sem和ft - ir對合成材料進行了表徵。The former is used as drying agent and adsorbent in a wide range, and the latter is used as catalyst and catalyst carrier
細孔硅膠廣泛作為乾燥劑、吸附劑使用；粗孔硅膠典型用於催化劑和催化劑載體。我公司生產的Rubber compounding ingredients. silica, precipitated, hydrated. determination of specific surface area - nitrogen adsorption method
橡膠配合劑.沉澱水合二氧化硅比表面積的測定.氮吸附方法分享友人