acetal的例句大全

The necessary material of 2-( 2-methoethyl ) acetaldehyde diethyl acetal was synthesized in addition.

另外还合成了必需原料 2- ( 2- 甲氧基乙氧基 ) 乙醛二乙醇缩醛.

Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst.

以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.

Butyraldehyde 1,2 propanediol acetal was synthesized by using stannous chloride as catalyst.

以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.

Aim Enanthal diethyl acetal is prepared with heptaldehyde and triethyl orthoformate as raw materials.

目的研究以庚醛和原甲酸三乙酯为原料制备庚醛二乙缩醛的工艺条件.

In this paper , the synthesis and application of glycerol cyclic acetal acrylates were investigated.

报道了一种低收缩型不饱和聚酯用分散稳定剂.

Butyraldehyde glycol acetal was synthesized from butyraldehyde and glycol by using iodine as catalyst.

以单质碘为催化剂,通过丁醛和乙二醇反应合成了丁醛乙二醇缩醛.

Use of end capping agent to increase the yield of thermostable acetal copolymer

利用封端剂提高共聚甲醛的热碱稳定产物收率的研究

UNC Zinc Plated Bolt , 2 X Self Lubricating Acetal Journal Bearings, Tread is mechanical interlock to hub.

不C锌镀金的门闩,2X自己的润滑缩荃日记举止, 踏是对毂的机械互锁.

Changes of Acetaldehyde and Acetal During the Storage of New Distilled Liquor

新蒸馏白酒贮存过程中乙醛和乙缩醛的变化

To develop a synthetic route of 4 ( N, N dimethylamino) butanal diethyl acetal.

[目的]探讨4-（N，N-二甲胺基）丁醛缩二乙醇的合成路线。

Synthesis of 4-( N, N-Dimethylamino) butanal Diethyl Acetal by Grignard Reaction

格氏反应合成4-（N，N-二甲胺基）丁醛缩二乙醇

Compared with FFAP capillary Column, CP-WAX capillary column had better effects in the separation of several groups of substances such as ethyl acetate and acetal, active amyl alcohol and isoamyl alcohol.

与FFAP毛细柱相比，CP-WAX毛细柱能很好分离乙酸乙酯/乙缩醛、活性戊醇/异戊醇等几对难分离的物质。

Three noncyclic acetal-linked cleavable surfactants were prepared based on the optimum condition by condensation of para formaldehyde with polyethers O-9, O-15, O-20. The yield was 88.6%, 81%, 75%, respectively and the structure was determined by NMR.

采用最佳工艺条件合成了O-9、O-15、O-20缩甲醛三种分子量较大的缩醛型聚醚，产率分别为88.6%、81.9%、75%。

Progress on research of catalyst for synthesis of butyraldehyde glycol acetal

合成丁醛乙二醇缩醛的催化剂研究进展