Benzylidene acetone exports accounted for first in the country.

苄叉丙酮出口量占全国第一。

Dimethyl dioxirane was prepared with potassium monoperoxy sulfate and acetone.

通过过一硫和丙酮反应,合成了新型高效氧化剂二甲二氧环烷。

Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以苯甲醛和丙酮为原料,氟化钾氧化铝作催化剂合成了苄叉丙酮。

The freshly abraded specimen must then be washed in industrial spirit and Analar acetone.

然后，研磨新鲜试样必须在工业及纯丙酮中洗涤。

It dissolves in hot grease, paraffine, ethanol, chloroform, acetone and aether, but is insoluble in water.

该产品不溶于水，热溶于油脂、石蜡、乙醇、氯仿、丙酮、乙醚。

Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.

方法将大鼠眼球投入到由多聚甲醛、冰醋和丙酮组成改良固定液中固定后制成石蜡切片,经HE染色后在显微镜下观察。

Carbon tetrabromide was prepared from acetone and sodium hypobromite by adding tetrabutylammonium bromide.The yield and purity were very satisfactory.

向钠溶液中滴加适量丙酮,在四丁基化铵催化下,高产率得到四化碳。

Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

采用无水乙醇、乙醚、丙酮及水作溶剂,对四川汉源花椒作了油提取研究。

Isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute H2SO4 as catalyst.

以乙烯酮和丙酮为原料,用强性离子交换树脂代替浓硫作为催化剂,直接酯化合成乙酰丙酮中间体乙异丙烯酯。

The rearrangement of acetone oxime in the Beckmann solution involves three acetic acid molecules and one proton (present as an oxonium ion).

模拟表明，有三个乙分子和一个质子（以氧鎓形式纯在）参与了反应。

However, other solvents, such as acetone and trichlorotrifluoroethane, were not and the procedure was adequate for recovering a known inoculum of spores.

不过其他溶剂（如丙酮和三氯三氟乙烷）就不会，操作适用于回收孢子接种物。

In this paper we studied the simple history,principle,process and selective method of carrier and medium of production of acetone and butanol with fermentive method of clostridium aceto-butylicum.

本文研究了丙丁菌发酵法生产丙酮和丁醇简史、原理、过程,以及载体和培养基选择方法。

(Sweet legumin of 2) heparin and benzyl acetone: Can improve Gao Ning position of blood, and prevent kidney spherule sclerosis and new moon bodily form to become.

( 2)肝素与苄丙酮香豆素：可以改善血液高凝状态，而防止肾小球硬化及新月体形成。

The release patterns of norgestrel in NRID in vivo were simulated after the norgestrel in NRID was dissolved by acetone and the rest of norgestre was determined by Ultraviolet Ray Spectrometer.

在实验室用丙酮溶解，并用紫外线分光光度仪测定每枚NRID内炔诺酮剩余量，计算每枚NRID内炔诺酮释放量，模拟分析NRID主成分炔诺酮在山羊体内释放规律。

Benzylidene acetone exports accounted for first in the country.

苄叉丙酮的出口量占全国第一。

Dimethyl dioxirane was prepared with potassium monoperoxy sulfate and acetone.

通过过一硫酸和丙酮反应,合成了新型高效的氧化剂二甲二氧环烷。

Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以苯甲醛和丙酮为原料,氟化钾氧化铝催化剂合成了苄叉丙酮。

The freshly abraded specimen must then be washed in industrial spirit and Analar acetone.

然后，研磨的新鲜试样必须在工业酒精及纯丙酮中洗涤。

It dissolves in hot grease, paraffine, ethanol, chloroform, acetone and aether, but is insoluble in water.

该产品不溶于水，热溶于油脂、石蜡、乙醇、氯仿、丙酮、乙醚。

Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.

方法将大鼠眼球投入到由多聚甲醛、冰醋酸和丙酮组成的改良固定液中固定后制成石蜡切片,经HE染色后在显微镜下观察。

Carbon tetrabromide was prepared from acetone and sodium hypobromite by adding tetrabutylammonium bromide.The yield and purity were very satisfactory.

向次溴酸钠溶液中滴加适量的丙酮,在四丁基溴化铵催化下,高产率得到四溴化碳。

Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

采用无水乙醇、乙醚、丙酮及水溶剂,对四川汉源了精油提取研究。

Isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute H2SO4 as catalyst.

以乙烯酮和丙酮为原料,用强酸性离子交换树脂代替浓硫酸为催化剂,直接酯化合成乙酰丙酮的中间体乙酸异丙烯酯。

The rearrangement of acetone oxime in the Beckmann solution involves three acetic acid molecules and one proton (present as an oxonium ion).

模拟表明，有三个乙酸分子和一个质子（以氧鎓的形式纯在）参与了反应。

However, other solvents, such as acetone and trichlorotrifluoroethane, were not and the procedure was adequate for recovering a known inoculum of spores.

不过其他溶剂（如丙酮和三氯三氟乙烷）就不会，操适用于回收孢子接种物。

In this paper we studied the simple history,principle,process and selective method of carrier and medium of production of acetone and butanol with fermentive method of clostridium aceto-butylicum.

本文研究了丙丁菌发酵法生产丙酮和丁醇的简史、原理、过程,以及载体和培养基的选择方法。

(Sweet legumin of 2) heparin and benzyl acetone: Can improve Gao Ning position of blood, and prevent kidney spherule sclerosis and new moon bodily form to become.

( 2)肝素与苄丙酮香豆素：可以改善血液的高凝状态，而防止肾小球硬化及新月体形成。

The release patterns of norgestrel in NRID in vivo were simulated after the norgestrel in NRID was dissolved by acetone and the rest of norgestre was determined by Ultraviolet Ray Spectrometer.

在实验室用丙酮溶解，并用紫外线分光光度仪测定每枚NRID内炔诺酮剩余量，计算每枚NRID内炔诺酮释放量，模拟分析NRID主成分炔诺酮在山羊体内的释放规律。

Benzylidene acetone exports accounted for first in the country.

苄叉丙酮的出口量占全国第一。

Dimethyl dioxirane was prepared with potassium monoperoxy sulfate and acetone.

通过过一硫酸和丙酮反应,合成了新型高效的氧剂二二氧环烷。

Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以苯醛和丙酮为原料,氟钾氧铝作催剂合成了苄叉丙酮。

The freshly abraded specimen must then be washed in industrial spirit and Analar acetone.

然后，研磨的新鲜试样必须在工业酒精及纯丙酮中洗涤。

It dissolves in hot grease, paraffine, ethanol, chloroform, acetone and aether, but is insoluble in water.

该产品不溶于水，热溶于油脂、石蜡、乙、氯仿、丙酮、乙醚。

Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.

方法将大鼠眼球投入到由多聚醛、冰醋酸和丙酮组成的改良固定液中固定后制成石蜡切片,经HE染色后在显微镜下观察。

Carbon tetrabromide was prepared from acetone and sodium hypobromite by adding tetrabutylammonium bromide.The yield and purity were very satisfactory.

向次溴酸钠溶液中滴加适量的丙酮,在四丁基溴铵催下,高产率得到四溴。

Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

用无水乙、乙醚、丙酮及水作溶剂,对四川汉源花椒作了精油提取研究。

Isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute H2SO4 as catalyst.

以乙烯酮和丙酮为原料,用强酸性离子交换树脂代替浓硫酸作为催剂,直接酯合成乙酰丙酮的中间体乙酸异丙烯酯。

The rearrangement of acetone oxime in the Beckmann solution involves three acetic acid molecules and one proton (present as an oxonium ion).

模拟表明，有三个乙酸分子和一个质子（以氧鎓的形式纯在）参与了反应。

However, other solvents, such as acetone and trichlorotrifluoroethane, were not and the procedure was adequate for recovering a known inoculum of spores.

不过其他溶剂（如丙酮和三氯三氟乙烷）就不会，操作适用于回收孢子接种物。

In this paper we studied the simple history,principle,process and selective method of carrier and medium of production of acetone and butanol with fermentive method of clostridium aceto-butylicum.

本文研究了丙丁菌发酵法生产丙酮和丁的简史、原理、过程,以及载体和培养基的选择方法。

(Sweet legumin of 2) heparin and benzyl acetone: Can improve Gao Ning position of blood, and prevent kidney spherule sclerosis and new moon bodily form to become.

( 2)肝素与苄丙酮香豆素：可以改善血液的高凝状态，而防止肾小球硬及新月体形成。

The release patterns of norgestrel in NRID in vivo were simulated after the norgestrel in NRID was dissolved by acetone and the rest of norgestre was determined by Ultraviolet Ray Spectrometer.

在实验室用丙酮溶解，并用紫外线分光光度仪测定每枚NRID内炔诺酮剩余量，计算每枚NRID内炔诺酮释放量，模拟分析NRID主成分炔诺酮在山羊体内的释放规律。

Benzylidene acetone exports accounted for first in the country.

苄叉的出口量占全国第一。

Dimethyl dioxirane was prepared with potassium monoperoxy sulfate and acetone.

通过过一硫酸和反应,成了新型高效的氧化剂二甲二氧环烷。

Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以苯甲醛和为原料,氟化钾氧化铝作催化剂成了苄叉。

The freshly abraded specimen must then be washed in industrial spirit and Analar acetone.

然后，研磨的新鲜试样必须在工业酒精及纯中洗涤。

It dissolves in hot grease, paraffine, ethanol, chloroform, acetone and aether, but is insoluble in water.

该产品不溶于水，热溶于油脂、石蜡、乙醇、氯仿、、乙醚。

Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.

方法将大鼠眼球投入到由多聚甲醛、冰醋酸和组成的改良固定液中固定后制成石蜡切片,HE后在显微镜下观察。

Carbon tetrabromide was prepared from acetone and sodium hypobromite by adding tetrabutylammonium bromide.The yield and purity were very satisfactory.

向次溴酸钠溶液中滴加适量的,在四丁基溴化铵催化下,高产率得到四溴化碳。

Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

采用无水乙醇、乙醚、及水作溶剂,对四川汉源花椒作了精油提取研究。

Isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute H2SO4 as catalyst.

以乙烯和为原料,用强酸性离子交换树脂代替浓硫酸作为催化剂,直接酯化成乙酰的中间体乙酸异烯酯。

The rearrangement of acetone oxime in the Beckmann solution involves three acetic acid molecules and one proton (present as an oxonium ion).

模拟表明，有三个乙酸分子和一个质子（以氧鎓的形式纯在）参与了反应。

However, other solvents, such as acetone and trichlorotrifluoroethane, were not and the procedure was adequate for recovering a known inoculum of spores.

不过其他溶剂（如和三氯三氟乙烷）就不会，操作适用于回收孢子接种物。

In this paper we studied the simple history,principle,process and selective method of carrier and medium of production of acetone and butanol with fermentive method of clostridium aceto-butylicum.

本文研究了丁菌发酵法生产和丁醇的简史、原理、过程,以及载体和培养基的选择方法。

(Sweet legumin of 2) heparin and benzyl acetone: Can improve Gao Ning position of blood, and prevent kidney spherule sclerosis and new moon bodily form to become.

( 2)肝素与苄香豆素：可以改善血液的高凝状态，而防止肾小球硬化及新月体形成。

The release patterns of norgestrel in NRID in vivo were simulated after the norgestrel in NRID was dissolved by acetone and the rest of norgestre was determined by Ultraviolet Ray Spectrometer.

在实验室用溶解，并用紫外线分光光度仪测定每枚NRID内炔诺剩余量，计算每枚NRID内炔诺释放量，模拟分析NRID主成分炔诺在山羊体内的释放规律。

Benzylidene acetone exports accounted for first in the country.

苄叉丙酮的出口量占全国第一。

Dimethyl dioxirane was prepared with potassium monoperoxy sulfate and acetone.

通过过一硫酸和丙酮反应,合成了新型高效的氧剂二甲二氧烷。

Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以苯甲醛和丙酮为原料,氟钾氧铝作催剂合成了苄叉丙酮。

The freshly abraded specimen must then be washed in industrial spirit and Analar acetone.

然后，研磨的新鲜试样必须在工业酒精及纯丙酮洗涤。

It dissolves in hot grease, paraffine, ethanol, chloroform, acetone and aether, but is insoluble in water.

该产品不于水，热于油脂、石蜡、乙醇、氯仿、丙酮、乙醚。

Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.

方法将大鼠眼球投入到由多聚甲醛、冰醋酸和丙酮组成的改良固定固定后制成石蜡切片,经HE染色后在显微镜下观察。

Carbon tetrabromide was prepared from acetone and sodium hypobromite by adding tetrabutylammonium bromide.The yield and purity were very satisfactory.

向次溴酸钠滴加适量的丙酮,在四丁基溴铵催下,高产率得到四溴碳。

Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

采用无水乙醇、乙醚、丙酮及水作剂,对四川汉源花椒作了精油提取研究。

Isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute H2SO4 as catalyst.

以乙烯酮和丙酮为原料,用强酸性离子交换树脂代替浓硫酸作为催剂,直接酯合成乙酰丙酮的间体乙酸异丙烯酯。

The rearrangement of acetone oxime in the Beckmann solution involves three acetic acid molecules and one proton (present as an oxonium ion).

模拟表明，有三个乙酸分子和一个质子（以氧鎓的形式纯在）参与了反应。

However, other solvents, such as acetone and trichlorotrifluoroethane, were not and the procedure was adequate for recovering a known inoculum of spores.

不过其他剂（如丙酮和三氯三氟乙烷）就不会，操作适用于回收孢子接种。

In this paper we studied the simple history,principle,process and selective method of carrier and medium of production of acetone and butanol with fermentive method of clostridium aceto-butylicum.

本文研究了丙丁菌发酵法生产丙酮和丁醇的简史、原理、过程,以及载体和培养基的选择方法。

(Sweet legumin of 2) heparin and benzyl acetone: Can improve Gao Ning position of blood, and prevent kidney spherule sclerosis and new moon bodily form to become.

( 2)肝素与苄丙酮香豆素：可以改善血的高凝状态，而防止肾小球硬及新月体形成。

The release patterns of norgestrel in NRID in vivo were simulated after the norgestrel in NRID was dissolved by acetone and the rest of norgestre was determined by Ultraviolet Ray Spectrometer.

在实验室用丙酮解，并用紫外线分光光度仪测定每枚NRID内炔诺酮剩余量，计算每枚NRID内炔诺酮释放量，模拟分析NRID主成分炔诺酮在山羊体内的释放规律。

Benzylidene acetone exports accounted for first in the country.

苄叉丙酮的出口量占全国第一。

Dimethyl dioxirane was prepared with potassium monoperoxy sulfate and acetone.

通过过一硫酸和丙酮反应,合成了新型高效的氧化剂二甲二氧环烷。

Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以苯甲醛和丙酮为原料,氟化钾氧化铝作催化剂合成了苄叉丙酮。

The freshly abraded specimen must then be washed in industrial spirit and Analar acetone.

然后，研磨的新鲜试样必须在工业酒精及纯丙酮中洗涤。

It dissolves in hot grease, paraffine, ethanol, chloroform, acetone and aether, but is insoluble in water.

该产品不溶于水，热溶于油脂、石蜡、乙、氯仿、丙酮、乙醚。

Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.

方法将大鼠眼球投入到由多聚甲醛、冰醋酸和丙酮成的改良固定液中固定后制成石蜡切片,经HE染色后在显微镜。

Carbon tetrabromide was prepared from acetone and sodium hypobromite by adding tetrabutylammonium bromide.The yield and purity were very satisfactory.

向次溴酸钠溶液中滴加适量的丙酮,在四丁基溴化铵催化,高产率得到四溴化碳。

Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

采用无水乙、乙醚、丙酮及水作溶剂,对四川汉源花椒作了精油提取研究。

Isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute H2SO4 as catalyst.

以乙烯酮和丙酮为原料,用强酸性离子交换树脂代替浓硫酸作为催化剂,直接酯化合成乙酰丙酮的中间体乙酸异丙烯酯。

The rearrangement of acetone oxime in the Beckmann solution involves three acetic acid molecules and one proton (present as an oxonium ion).

模拟表明，有三个乙酸分子和一个质子（以氧鎓的形式纯在）参与了反应。

However, other solvents, such as acetone and trichlorotrifluoroethane, were not and the procedure was adequate for recovering a known inoculum of spores.

不过其他溶剂（如丙酮和三氯三氟乙烷）就不会，操作适用于回收孢子接种物。

In this paper we studied the simple history,principle,process and selective method of carrier and medium of production of acetone and butanol with fermentive method of clostridium aceto-butylicum.

本文研究了丙丁菌发酵法生产丙酮和丁的简史、原理、过程,以及载体和培养基的选择方法。

(Sweet legumin of 2) heparin and benzyl acetone: Can improve Gao Ning position of blood, and prevent kidney spherule sclerosis and new moon bodily form to become.

( 2)肝素与苄丙酮香豆素：可以改善血液的高凝状态，而防止肾小球硬化及新月体形成。

The release patterns of norgestrel in NRID in vivo were simulated after the norgestrel in NRID was dissolved by acetone and the rest of norgestre was determined by Ultraviolet Ray Spectrometer.

在实验室用丙酮溶解，并用紫外线分光光度仪测定每枚NRID内炔诺酮剩余量，计算每枚NRID内炔诺酮释放量，模拟分析NRID主成分炔诺酮在山羊体内的释放规律。

Benzylidene acetone exports accounted for first in the country.

苄叉酮的出口量占全国第一。

Dimethyl dioxirane was prepared with potassium monoperoxy sulfate and acetone.

通过过一硫酸和酮反应,合成了新型高效的氧剂二甲二氧环烷。

Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以苯甲醛和酮为原料,氟钾氧铝作催剂合成了苄叉酮。

The freshly abraded specimen must then be washed in industrial spirit and Analar acetone.

然，研磨的新鲜试样必须工业酒精及纯酮中洗涤。

It dissolves in hot grease, paraffine, ethanol, chloroform, acetone and aether, but is insoluble in water.

该产品不溶于水，热溶于油脂、石蜡、乙醇、氯仿、酮、乙醚。

Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.

方法将大鼠眼球投入到由多聚甲醛、冰醋酸和酮组成的改良固定液中固定制成石蜡切片,经HE染显微镜下观察。

Carbon tetrabromide was prepared from acetone and sodium hypobromite by adding tetrabutylammonium bromide.The yield and purity were very satisfactory.

向次溴酸钠溶液中滴加适量的酮,四丁基溴铵催下,高产率得到四溴碳。

Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

采用无水乙醇、乙醚、酮及水作溶剂,对四川汉源花椒作了精油提取研究。

Isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute H2SO4 as catalyst.

以乙烯酮和酮为原料,用强酸性离子交换树脂代替浓硫酸作为催剂,直接酯合成乙酰酮的中间体乙酸异烯酯。

The rearrangement of acetone oxime in the Beckmann solution involves three acetic acid molecules and one proton (present as an oxonium ion).

模拟表明，有三个乙酸分子和一个质子（以氧鎓的形式纯）参与了反应。

However, other solvents, such as acetone and trichlorotrifluoroethane, were not and the procedure was adequate for recovering a known inoculum of spores.

不过其他溶剂（如酮和三氯三氟乙烷）就不会，操作适用于回收孢子接种物。

In this paper we studied the simple history,principle,process and selective method of carrier and medium of production of acetone and butanol with fermentive method of clostridium aceto-butylicum.

本文研究了丁菌发酵法生产酮和丁醇的简史、原理、过程,以及载体和培养基的选择方法。

(Sweet legumin of 2) heparin and benzyl acetone: Can improve Gao Ning position of blood, and prevent kidney spherule sclerosis and new moon bodily form to become.

( 2)肝素与苄酮香豆素：可以改善血液的高凝状态，而防止肾小球硬及新月体形成。

The release patterns of norgestrel in NRID in vivo were simulated after the norgestrel in NRID was dissolved by acetone and the rest of norgestre was determined by Ultraviolet Ray Spectrometer.

实验室用酮溶解，并用紫外线分光光度仪测定每枚NRID内炔诺酮剩余量，计算每枚NRID内炔诺酮释放量，模拟分析NRID主成分炔诺酮山羊体内的释放规律。

Benzylidene acetone exports accounted for first in the country.

苄叉酮的出口量占全国第一。

Dimethyl dioxirane was prepared with potassium monoperoxy sulfate and acetone.

通过过一硫酸酮反应,合成了新型高效的氧化剂二甲二氧环烷。

Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以苯甲酮为原料,氟化钾氧化铝作催化剂合成了苄叉酮。

The freshly abraded specimen must then be washed in industrial spirit and Analar acetone.

然后，研磨的新鲜试样必须在工业酒精及纯酮中洗涤。

It dissolves in hot grease, paraffine, ethanol, chloroform, acetone and aether, but is insoluble in water.

该产品不于，于油脂、石蜡、乙醇、氯仿、酮、乙醚。

Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.

方法将大鼠眼球投入到由多聚甲、冰醋酸酮组成的改良固定液中固定后制成石蜡切片,经HE染色后在显微镜下观察。

Carbon tetrabromide was prepared from acetone and sodium hypobromite by adding tetrabutylammonium bromide.The yield and purity were very satisfactory.

向次溴酸钠液中滴加适量的酮,在四丁基溴化铵催化下,高产率得到四溴化碳。

Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

采用无乙醇、乙醚、酮及作剂,对四川汉源花椒作了精油提取研究。

Isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute H2SO4 as catalyst.

以乙烯酮酮为原料,用强酸性离子交换树脂代替浓硫酸作为催化剂,直接酯化合成乙酰酮的中间体乙酸异烯酯。

The rearrangement of acetone oxime in the Beckmann solution involves three acetic acid molecules and one proton (present as an oxonium ion).

模拟表明，有三个乙酸分子一个质子（以氧鎓的形式纯在）参与了反应。

However, other solvents, such as acetone and trichlorotrifluoroethane, were not and the procedure was adequate for recovering a known inoculum of spores.

不过其他剂（如酮三氯三氟乙烷）就不会，操作适用于回收孢子接种物。

In this paper we studied the simple history,principle,process and selective method of carrier and medium of production of acetone and butanol with fermentive method of clostridium aceto-butylicum.

本文研究了丁菌发酵法生产酮丁醇的简史、原理、过程,以及载体培养基的选择方法。

(Sweet legumin of 2) heparin and benzyl acetone: Can improve Gao Ning position of blood, and prevent kidney spherule sclerosis and new moon bodily form to become.

( 2)肝素与苄酮香豆素：可以改善血液的高凝状态，而防止肾小球硬化及新月体形成。

The release patterns of norgestrel in NRID in vivo were simulated after the norgestrel in NRID was dissolved by acetone and the rest of norgestre was determined by Ultraviolet Ray Spectrometer.

在实验室用酮解，并用紫外线分光光度仪测定每枚NRID内炔诺酮剩余量，计算每枚NRID内炔诺酮释放量，模拟分析NRID主成分炔诺酮在山羊体内的释放规律。

Benzylidene acetone exports accounted for first in the country.

苄叉丙酮的出口量占全国第一。

Dimethyl dioxirane was prepared with potassium monoperoxy sulfate and acetone.

通过过一硫酸和丙酮反应,合成了新型高效的氧化剂二甲二氧环烷。

Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以苯甲醛和丙酮为原料,氟化钾氧化铝作催化剂合成了苄叉丙酮。

The freshly abraded specimen must then be washed in industrial spirit and Analar acetone.

然后，研磨的新鲜试样必须在工业酒精及纯丙酮中洗涤。

It dissolves in hot grease, paraffine, ethanol, chloroform, acetone and aether, but is insoluble in water.

该产品不溶于水，热溶于油脂、石蜡、乙醇、氯仿、丙酮、乙醚。

Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.

方法将大鼠眼球投入到由多聚甲醛、冰醋酸和丙酮组成的改良固定液中固定后制成石蜡切片,经HE染色后在显微镜下观察。

Carbon tetrabromide was prepared from acetone and sodium hypobromite by adding tetrabutylammonium bromide.The yield and purity were very satisfactory.

向次溴酸钠溶液中滴加适量的丙酮,在四丁基溴化铵催化下,高产率得到四溴化碳。

Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

水乙醇、乙醚、丙酮及水作溶剂,对四川汉源花椒作了精油提取研究。

Isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute H2SO4 as catalyst.

以乙烯酮和丙酮为原料,强酸性离子交换树脂代替浓硫酸作为催化剂,直接酯化合成乙酰丙酮的中间体乙酸异丙烯酯。

The rearrangement of acetone oxime in the Beckmann solution involves three acetic acid molecules and one proton (present as an oxonium ion).

模拟表明，有三个乙酸分子和一个质子（以氧鎓的形式纯在）参与了反应。

However, other solvents, such as acetone and trichlorotrifluoroethane, were not and the procedure was adequate for recovering a known inoculum of spores.

不过其他溶剂（如丙酮和三氯三氟乙烷）就不会，操作适于回收孢子接种物。

In this paper we studied the simple history,principle,process and selective method of carrier and medium of production of acetone and butanol with fermentive method of clostridium aceto-butylicum.

本文研究了丙丁菌发酵法生产丙酮和丁醇的简史、原理、过程,以及载体和培养基的选择方法。

(Sweet legumin of 2) heparin and benzyl acetone: Can improve Gao Ning position of blood, and prevent kidney spherule sclerosis and new moon bodily form to become.

( 2)肝素与苄丙酮香豆素：可以改善血液的高凝状态，而防止肾小球硬化及新月体形成。

The release patterns of norgestrel in NRID in vivo were simulated after the norgestrel in NRID was dissolved by acetone and the rest of norgestre was determined by Ultraviolet Ray Spectrometer.

在实验室丙酮溶解，并紫外线分光光度仪测定每枚NRID内炔诺酮剩余量，计算每枚NRID内炔诺酮释放量，模拟分析NRID主成分炔诺酮在山羊体内的释放规律。