研究了超细碳酸钙做为亚硫酸法糖厂糖汁澄清的晶核，对蔗汁澄清效果的影响。
The sedimentation velocity of sugarcane juice clarification using over-fine calcium carbonate crystal for intensifying was studied.
方法采用品红亚硫酸法和乙酰丙酮法测定吊白块中甲醛含量，并计算样品中吊白块的含量。
Methods The content of formaldehyde in rongalite was determined by sulfurous acid, magenta and acetylacetone spectrophotometry respectively.
本文研究了分光光度法测定甲醛中的变色酸法和品红亚硫酸法，同时对这两种方法进行了比较。
The chromatropic acid and magenta sulphurous acid methods for the formaldehyde determined by spectrophotometry are studied in this paper, and the two methods are compared.
东糖实业集团公司制糖厂，以亚硫酸法澄清系统，由甘蔗直接生产优级白砂糖，已取得较好的生产成绩。
Good achievements of producing high quality plantation granulated white sugar with suIfitation process have beep achieved in Dongtang Industry Group Corporation.
分别采用重量法、蒸馏法和X射线荧光光谱法测定含亚硫酸钙的脱硫灰中硫含量。
The traditional chemical analysis, distillation method and XRF were used to measure the sulfur content in desulphurize slag contained calcium sulfate.
对中性亚硫酸钠-蒽醌法杨木蒸煮废液(NS - L)和碱性亚硫酸钠-蒽醌法落叶松蒸煮废液(AS - L)做锌矿粉的成型粘合剂进行了研究。
Aspen neutral sulfite-anthraquinone pulping waste liquor (NS-L) and Larch alkaline sulfite-anthraquinone pulping waste liquor (AS-L) are used as the adhesive for the forming of zinc ore powder.
采用电位滴定法改进了测定甲醛含量的中性亚硫酸钠法，并对其准确度和影响因素进行了探讨。
In this paper a potentiometric titration was used to improve the neutral sodium sulfite method for determining the content of formaldehyde, and the accuracy and influential factors were discussed.
用连二亚硫酸钠还原法检测血浆中一氧化碳血（CO）的含量；
Plasma carbon monoxide (CO ) was detected according the method introduced by Chalmers.
以碱性品红-亚硫酸为显色剂，用分光光度法对双醛淀粉含量的测定条件、灵敏度、回收率进行研究。
The content of dialdehyde starch was determined by spectrophotometry with the color agent alkaline fuchsin - sulfurous acid.
研究了以半漂落叶松碱性亚硫酸盐-蒽醌法（AS-AQ）浆代替针叶木漂白硫酸盐浆（NBKP）与白松酸性亚硫酸盐浆（SP）的混合长纤维浆料配抄新闻纸的情况。
Semibleached alkaline sulfite-anthraquinone larch pulp(AS-AQ)is used as a substitute for the mixed long fiber pulp of NBKP and NBSP in newsprint furnish.
射线荧光光谱法通过建立标准曲线后，可以准确而又快速地检测脱硫灰中亚硫酸钙及硫酸钙总的硫含量。
The XRF method based on standard curve could determine the total sulfur content in desulphurize slag accurately and rapidly.
采用化学还原法处理含铬离子污水，焦亚硫酸钠作还原剂。
The method of chemical deoxidization was used to treat electroplating wastewater which contains chromium ions, and sodium pyrosulfite was used as reducing agency.
亚硫酸盐阔叶木浆同亚硫酸盐针叶木浆在特性上差别很大，即使和同种类木材的碱法浆相比也有差别。
The properties of hardwood sulfite pulp are quite different from the softwood variety and are also quite different from the same wood cooked by the soda process.
结果表明，碱性亚硫酸钠法蒸煮脱木素率比较高（比NS法和HS法高，低于KP法）。
The results show that the delignification rate is higher for alkaline sulfite cooking (higher than NS and HS, lower than KP) .
《食品安全法》严禁使用二氧化硫、亚硫酸钠和亚硫酸钾来处理生的畜肉和禽肉，违规经营场所和商家将被处以罚款。
The Food Standards Code does not allow the use of sulphur dioxide, and sodium and potassium sulphites in raw meat, poultry and game and businesses may be fined for using it.
尾吸系统采用二段氨法生产液体二氧化硫和亚硫酸氢铵。
The system adopted two-stage ammonium process to produce liquid sulphur dioxide and ammonium bisulphite.
结果表明：以GB/T176—1996《水泥化学分析法》和GB/T5484—2000《石膏化学分析法》中的基准法即重量法不能准确测定含亚硫酸钙的脱硫灰中的硫含量；
The results showed that the gravimetric method commanded by GB/T176-1996 and GB/T5484-2000 was inaccurate to measure the sulfate content while the distillation method was comparatively accurate.
方法原甲酸三乙酯与氰乙酸乙酯缩合，然后和羟乙基肼经环合、水解等一锅法合成5-氨基吡唑-4-甲酸，然后在亚硫酸钠存在条件下加热脱羧得到5-氨基-1-羟乙基吡唑。
METHODS 5-amino-1-hydroxyethyl pyrazole-4-carboylic acid was synthesized through condensation of ethyl cyanoacetate and triethyl orthoformate followed by one-pot methodology of cyclization, hydolysis.
方法原甲酸三乙酯与氰乙酸乙酯缩合，然后和羟乙基肼经环合、水解等一锅法合成5-氨基吡唑-4-甲酸，然后在亚硫酸钠存在条件下加热脱羧得到5-氨基-1-羟乙基吡唑。
METHODS 5-amino-1-hydroxyethyl pyrazole-4-carboylic acid was synthesized through condensation of ethyl cyanoacetate and triethyl orthoformate followed by one-pot methodology of cyclization, hydolysis.
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