The changes of plant proline and its protective effect on sulfurous acid insult

u690du7269u53f6u7247u812fu6c28u9178u7684u53d8u5316u53cau5176u5bf9 u4e9a u786bu9178u4f24u5bb3u7684u9632u62a4u4f5cu7528

Extraction of sweet potato pectin . Sweet potato pectin was extracted with hydrochloric acid sulfurous acid ammonium oxalate potassium oxalate sodium polyphosphate solution . The results showed that the extracting efficiency of ammonium oxalate was the best .

u7518u85afu679cu80f6u7684u63d0u53d6uff0cu91c7u7528u76d0u9178u3001 u4e9a u786bu9178u3001u8349u9178u94f5u3001u8349u9178u94beu3001u591au805au78f7u9178u94a0u6eb6u6db2u63d0u53d6u7518u85afu679cu80f6uff0cu901au8fc7 u5355 u56e0u7d20u8bd5u9a8c u786eu5b9au4ee5u8349u9178u94f5u63d0u53d6u6548u679cu6700u597du3002

The test procession of producing sulphuric acid by roasting sulfurous iron ore with ferrisulphas using the 25kt / a sulphuric acid equipment is introduced .

u4ecbu7ecdu4e86u5229u7528 25kt/a u786bu9178u751fu4ea7u88c5u7f6eu8fdbu884cu786bu94c1u77ffu63bau70e7u786bu9178u4e9au94c1u751fu4ea7u786bu9178u8bd5u9a8cu8fc7u7a0buff0cu5f97u51fau4e86u53eau8981u89e3u51b3u5b58u5728u7684u67d0u4e9bu95eeu9898uff0c u786bu94c1u77ffu63bau5165u90e8u5206u786bu9178u4e9au94c1u5171u540cu7119u70e7u5236 u9178u662fu53efu884cu7684u7ed3u8bbau3002

Relationship between the Changes of Plant Proline and Sulfurous Acid Insult

u690du7269u812fu6c28u9178u7684u53d8u5316u4e0e u4e9a u786bu9178u4f24u5bb3u7684u5173u7cfb

Elevations of sulfurous layers in acid sulfate soils : what do they indicate about sea levels during the Holocene in eastern australia ?

u9178u6027u786bu9178u76d0u571fu58e4u4e2d u542b u786bu78fau571fu5c42u7684u9ad8u5ea6uff1au5bf9u6fb3u5927u5229u4e9au4e1cu90e8u5168u65b0u4e16u65f6u671fu7684u6d77u5e73u9762u80fdu8bf4u660eu4ec0u4e48uff1f

The paper introduces the reaction mechanism of oxidating sulfurous acid calcium to gypsum and some factors to influence the reaction process .

u4ecbu7ecdu4e86 u4e9a u786bu9178u9499u6c27u5316u4e3au77f3u818fu7684u53cdu5e94u673au7406u53cau5f71u54cdu53cdu5e94u8fc7u7a0bu7684u67d0u4e9bu56e0u7d20u3002

Discussion on Standard Curve-protracting in Determining White Spirits'Methanol through Fuchsin Sulfurous Acid

u54c1u7ea2 u4e9a u786bu9178 u6cd5u6d4bu5b9au9152u4e2du7532u9187u7684u6807u51c6u66f2u7ebfu7ed8u5236u6cd5u7684u63a2u8ba8

Enrichment and application in sulfurous acid sugaring clarification technique of carbondioxide from boiler flue gas in cane sugar mill

u7cd6u5382u9505u7089u70dfu9053u6c14u4e8cu6c27u5316u78b3u7684u5bccu96c6u53cau5176u5728 u4e9a u786bu9178u6cd5u5236u7cd6u6f84u6e05u5de5u827au7684u5e94u7528

Determination of vitamin C in the fruits containing sulfurous acid

u718f u786b u6216 u4e9a u786bu9178 u6d78u6ce1 u679cu54c1 u4e2d u8fd8u539fu6027u7ef4u751fu7d20Cu542bu91cfu7684u6d4bu5b9a

Methods The content of formaldehyde in rongalite was determined by sulfurous acid magenta and acetylacetone spectrophotometry respectively .

u65b9u6cd5u91c7u7528 u54c1u7ea2 u4e9a u786bu9178 u6cd5u548cu4e59u9170u4e19u916eu6cd5u6d4bu5b9au540au767du5757u4e2du7532u919bu542bu91cfuff0cu5e76u8ba1u7b97u6837u54c1u4e2du540au767du5757u7684u542bu91cfu3002

Flake Ag / SnO_2 powder was fabricated when with sulfurous acid as the reducing agent .

u7528 u4e9a u786bu9178u4e3au8fd8u539fu5242u53efu4ee5u5f97u5230u7247u72b6u7684Ag/SnO2u7c89u4f53u3002

The recovery rates and RSDs of sulfurous acid magenta spectrophotometric method were 98.2 % - 108 % and 2.6 % - 5.8 % respectively .

u54c1u7ea2 u4e9a u786bu9178u6cd5u7684u56deu6536u7387u4e3a98.2%uff5e108%uff0cu76f8u5bf9u6807u51c6u504fu5deeuff08RSDuff09u4e3a2.6%uff5e5.8%u3002

To ferment sulfurous acid wastewater from pulp and paper mills by using C. utilis could produce SCP used for animal feed additive .

u5229u7528u4ea7u670au5047u4e1du9175u6bcd C.utilisu53d1u9175 u4e9a u786bu9178u9020u7eb8u5e9fu6db2u53efu751fu4ea7SCPu4f5cu4e3au52a8u7269u9972u6599u6dfbu52a0u5242u3002

Conclusion Both sulfurous acid magenta and acetylacetone spectrophotometric methods were suitable for the determination of formaldehyde in rongalite in the laboratory of basic units and acetylacetone spectrophotometric method was better because less environmental factors interfered with the detection results .

u7ed3u8bba u54c1u7ea2 u4e9a u786bu9178 u6cd5u548cu4e59u9170u4e19u916eu6cd5u5747u9002u4e8eu57fau5c42u5b9eu9a8cu5ba4u68c0u6d4bu540au767du5757u7684u7532u919bu542bu91cfuff0cu4e59u9170u4e19u916eu6cd5u53d7u5916u754cu73afu5883u7684u5f71u54cdu5c0fuff0cu66f4u4e3au9002u7528u3002

Sulfurous acid disodium salt polymer with formaldehyde phenol sodium hydrogen sulfite and urea ;

u786bu9178u4e8cu94a0u76d0u4e0eu7532u919bu3001u82efu915au3001u4e9au786bu9178u6c22u94a0u548cu5c3fu7d20u7684u805au5408u7269uff1b

Ambient conditions that include toxic gases such as hydrogen sulfide sulfurous acid nitrous acid chlorine bromine methyl bromide ammonium etc.

u5468u56f4u73afu5883u4e2du6709u6c22u5316u786bu3001 u4e9au3001u4e9au785du9178u3001u6c2fu6c14u3001u6eb4u6c14u3001u6eb4u5316u7532u70f7u3001u6c28u6c14u7b49u6709u6bd2u6c14u4f53u3002