酸誤差 的英文怎麼說
中文拼音 [suānwùchā]
酸誤差
英文
acid error-
The colorimetry of sulfuric acid and p - dimethylaminobenzaldehyde used to determinate the fusel oil of alcoholic liquor, but it occurs deviation
摘要測定白酒中雜醇油常採用硫酸對二甲胺基苯甲醛比色法，但測定常有誤差。The s - l - e experiment data for the eight binary condensed systems of fatty alcohol / fatty acid were treated by using the improved equation, and the equation was examined with experimental data. at the same time, we used ideal model to predict the tenary s - l - e of n - octadecane / lauric acid / stearic acid system, and we got an accurate result of the simple eutectic temperature. the relative error is 0. 51 % comparing with the experimental result, so we will offer a method of prediction for quickly obtaining multicomponent system phase change materials this article calculated the pcms quantities and energy saving effect in theory, designed the experimental apparatus to measure the energy saving effect, and analyzed the temperature equalization action of the pcms by comparing experiment
利用這種方法，建立了適合醇-羧酸等系列二元體系的單參數margules方程，本文對醇-羧酸系列等8個二元凝聚體系的單參數margules方程的參數進行回歸，並利用整個實驗數據對模型進行了檢驗，另外，本文利用理想狀態模型對一個三元體系18烷-月桂酸-硬酯酸相圖進行預測，通過與實驗數據進行比較，預測的低共熔溫度與實驗測定溫度較為吻合，其相對誤差為0 . 51 ，這將為快速獲取多元體系的相變材料提供預測方法。A resolution method in software is applied to calibrate zero point and full scale of the circuit. software approach to nonlinear correction for sensor and circuit is presented. therefore system error is eliminated, and measurement accuracy of temperature is improved. the signal of acidity electrode is detected by a differential amplifier circuit, which consists of operational amplifiers tlc2254 with high input impedance and low drift
採用橋路和單運放差動放大電路對溫度傳感器信號檢測放大，軟體校正溫度傳感器和測量電路的非線性，軟體校準測量電路的零點和滿度，消除測量電路的系統誤差，提高補償溫度的測量精度；採用高阻、低漂移運放tlc2254組成高阻差動放大電路用於酸度電極信號測量。Abstract : an imidazole - catalyzed acylation method of phthalic anhydride is applied to the determination of hydroxyl values of reinforcing agent is211. the analytical error is 5. 0 10 - 3. the relative standard deviation of the method is less than 0. 04 and its coefficient of variation is not more than 5. 0 10 - 3. hydroxyl values determined in different batch samples meet the design requirement completely. this method is rapid and simple, it is adaptable to conventional analysis
文摘:以咪唑催化鄰苯二甲酸酐酰化的方法測定增強劑is211的羥值，準確度高，分析誤差為5 . 0 10 - 3 ；方法精密度好，標準偏差小於0 . 4 ，變異系數不大於5 . 0 10 - 3 ，測定不同批號試樣的羥值完全符合商標值，方法快速、簡便，適用於常規分析。Experimental results showed that this method was accurate, easy to operate and can he applied to quantitative analysis
實驗結果表明，該方法準確可靠，測得異辛酸的相對重量校正因子為1 . 305 ，相對誤差2 . 0 % 。The cohort studies and genetic studies yielded similar results, indicating a protective effect from lower homocysteine levels, even though they did not share the same sources of possible error
群組研究和遺傳研究得到了相同的結論，即低同型半胱氨酸水平是一種保護性因素，盡管可能誤差不同。Results of experiments show that accuracy of temperature and acidity arrive at 0. 2 and 0. 02ph respectively
實驗數據表明補償溫度的測量誤差小於0 . 2 ，酸度的測量誤差小於0 . 02ph 。Abstract : the germinating capacities, fatty acid values and viscosities of wheat samples were analyzed by determining the viscosities, germinating capacities and fatty acid values, etc, which are the indices of quality deterioration, of 53 types of different wheat samples and the retrogradation degree and quality state of grains were showed through fatty acid value, germinating capacity, senes analysis and taste evaluation, however, wheat quality was evaluated by only viscosity which would cause greater error
文摘:本研究通過測定53個不同品質小麥樣品的粘度值、發芽率和脂肪酸值等品質劣變指標，分析了發芽率、脂肪酸值和粘度之間的關系，並認為脂肪酸值、發芽率、感觀分析及品嘗評分結果都能較好地說明糧食的陳化程度和品質狀況，而粘度值用於評價小麥的品質則會產生較大的誤差。分享友人