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- The way to get the solution for the soil alkalization is pointed. 本文對綠洲生態系統的動態穩定性作了初步探討。
- This lowers the water table and reduces soil alkalinization. 這能降低水位,減少土壤的鹼份。
- In the course of experiment, the relation between ratio n (SO42-/Fe2+)and alkalization of PFS is investigated. 在製備過程中,實驗重點考察SO42-/Fe2+的比值n和PFS鹽基度之間的關係。
- Soil salinity varied sharply in the zone, showing an obvious trend of alkalization. 墾區的土壤含鹽變異強烈,鹼化傾向明顯;
- The equations of linear regression in these parameters of alkalization are analysed. 建立了各鹼化參數之間的線性回歸方程,並對地下水體的鹼化危害程度進行了評價。
- The machine's major used is the alkalization and dehydration in the course of fat oil's refinement. YLYG系列脫色鍋: 屬於間歇性脫色設備,用於油脂的脫色、乾燥、冷卻等。
- Carboxymethyl chitosan (CMC) was prepared by a two-step alkalization and refined by the method of isoelectric point. 本論文採用了兩步加鹼的新方法製備羧甲基殼聚糖(CMC),並利用等電點沉降法精製CMC。
- A new twice alkalization method for preparation of carboxymethylpachymaran was studied in this article. 本研究採用二次鹼化新工藝製備了水溶性羧甲基茯苓多糖,並對新舊工藝進行了比較。
- The lowest turbidity of treated water is 5NTU when the pH value is 8.5, the dosage is 3mg/L and alkalization is 7.5%. 在聚合度為7.;5%25,pH值為8
- Conclusions TLS can be effectively controlled by early recognition and administration of allopurinol therapy and alkalinization of urine. 結論早期診斷並及時給予別嘌呤醇及靜脈鹼化利尿是治療TLS的關鍵。
- A great quantity of soluble inorganic salt can force the surrounding soil seriously become salinization and alkalinization. 大量可溶性無機鹽會加劇周邊土壤的鹽鹼化。
- As natural cellulose linter pulp raw materials,HEC is the name of a series of products after alkalization and etherification. 纖維素醚是以天然纖維素(棉槳粕或木槳粕)為基本原料,經過鹼化、醚化反應而生成的一系列產品的總稱。
- The influence on quality in the different working conditions was inspected and the alkalization of food after adding spirulina powder was researched. 考察了不同加工條件對其品質的影響,並作了螺旋藻粉添加在主食中增加食品成鹼性的研究。
- This delay of dissolution and the dissolution speed depend upon the solution alkal... 溶解滯后和溶解速度與溶液的鹼度有關,與樹脂膜厚無關。
- The effect of the concentration, the alkalization temperature and time on the esterification degree of the cellulose sulfonate are discussed. 分析了鹼化過程中氫氧化鈉的濃度和溫度、鹼化時間對纖維素黃酸酯酯化度的影響。
- The fixation of phosphorus in gray desert soil is seriously affected by the high content of CaCO3, salinization and alkalization. 對阜康地區灰漠土進行的磷吸附和解吸附實驗表明,單施化肥,土壤對磷的吸附會隨著施加量的增加而增加。
- A novel composite modified starch was synthesized through alkalization,etherification and oxidation with normal pressure and presence of catalyst. 在常壓和催化劑存在下,將澱粉經鹼化、醚化和氧化等反應步驟合成了一種新型複合變性澱粉,取代度達0。
- The effects on the product alkalization degree by adding the assistflocculant in the preparation process of polymerized ferric sulphate were studied. 考察了助聚劑的種類、用量、反應溫度以及存放時間等因素對聚鐵溶液製備時產品鹽基度的影響,得到較佳的條件。
- The principle of alkalization treatment for silicon cleaning technology and the practice on 2×300 MW units in Pingliang Power Plant have been presented. 摘要介紹鹼化處理洗硅工藝的原理及平涼電廠2×300mw機組的洗硅實踐。
- By the experiment,the optimal conditions of preparing PAC were got,the alkalization B is 2.0,the concentration of NaOH is 0.2 mol/L,and the concentration of AlCl3 is 0.5 mol/L. 實驗優化了製備工藝:鹼化度B為2.;0;鹼液(NaOH)濃度為0