查询词典 formaldehyde solution

To judge the existance of sodium formaldehyde sulfoxylate in food by comprehensive checking of HCHO content and SO_2/HCHO content ratio is accurate and scientific.

采用直接蒸馏滴定———AHMT分光光度法联合测定食品中的吊白块含量。

Based on seed-emulsion polymerization, the stable silicon-acralyte core/shell latex with little coagulum were synthesized at lower temperature with potassuim persulphate, sodium formaldehyde sulfoxylate and V-044 as composite initiators.

选用过硫酸钾、甲醛合次亚硫酸氢钠和2， 2'-偶氮二[2-（2-咪唑啉－2-代）丙烷]二氢氯化物(V-O44)为复合引发剂，在低温下通过种子乳液聚合技术合成了生成凝聚物少的硅－丙核／壳乳液。

A silicon carbide slurry as a casting abrasive material was prepared by sulphonated acetone-formaldehyde polymer as a dispersant.

由自制的磺化丙酮-甲醛缩聚物(sulphonated acetone-formaldehyde plymer，SAF)作为分散剂制备了浇注碳化硅砂轮水基浆料。

The influence of sulphonated naphthalene formaldehyde condensates,polycarboxylic series(SR3),aminosulfonic acid-based series on rheology of sulphoaluminate cement paste is investigated.

利用缓凝剂有效控制了硫铝酸盐水泥的凝结时间；利用浆体稳定剂成功解决了水泥净浆的板结、泌水问题；从浆体流变学角度研究了外加剂—硫铝酸盐水泥浆体体系稳定性。

Studied influence of sulphonated naphthalene formaldehyde condensates, polycarboxylic series(SR3), aminosulfonic acid-based series on rheology of sulphoaluminate cement paste. Adjusted setting time with setting retarder, and reduced water dilution, bleeding, segregation of fresh paste with viscosity-modifying admixture.

研究了萘系、氨基磺酸盐系和聚羧酸系高效减水剂与硫铝酸盐水泥的相容性问题，利用缓凝剂有效控制了硫铝酸盐水泥的凝结时间，利用浆体稳定剂成功解决了水泥净浆的板结、泌水问题，从浆体流变学角度研究了外加剂—硫铝酸盐水泥浆体体系稳定性。

One source of formaldehyde exposure in the air is automobile tailpipe emissions.

一个甲醛暴露在空气中是汽车尾气的排放。

Nickel sulfate was the most frequent sensitizer, followed by Thimerosal, Potassium dichromate, Fragrance mix and Formaldehyde. Frequencies of contact allergy to Thiuram mix, Mercapto mix, Imidazolidinyl urea, and bronopol were relatively low.

结果： 1 129 例受试者中，阳性反应747例，阳性反应率较高的变应原依次是：硫酸镍、硫柳汞、重铬酸钾、芳香混合物、甲醛，阳性反应率较低的变应原有：秋兰姆混合物、硫氢基混合物、咪唑烷基尿素、溴硝丙二醇。

At 1st、2nd、3rd months after surgery the rats were killed respectively and the implanted tibiae were got , the tissue samples were fixed with 10% Formaldehyde soaked and 8% formic acid was used to dissolve the calcium for 10 days.

于种植术后1个月、2个月、3个月时，取出带种植体的胫骨，取下的标本立即放入10%甲醛缓冲溶液固定、经过8%甲酸溶液脱钙、梯度酒精脱水后，制作HE染色的组织学切片，做光镜及骨组织的形态计量学观察。

ATH surface was chemically bonded in sequence by tolylene diisocyanate, alkyl phenolic-formaldehyde resin and acrylonitrile-butadiene rubber.

采用表面原位化学组合改性的方法，在Al3表面顺序经原位化学反应结合上甲苯二异氰酸酯、烷基酚醛树脂、丁腈橡胶等界面改性剂。

It has shown that the tensile index and ring crush index of handsheets were increased by 15.90% and 9.65%, when phenol-formaldehyde resin modified by diethylene triamine was used in OCC pulp alone (the dosage of resin was 1.0%), and then adding cationic starch to pulp (the dosage of starch was 1.0%), the tensile index and ring crush index of handsheets were increased by 32.81% and 29.29%.

实验结果表明，二乙烯三胺改性的酚醛树脂单独作用于OCC废纸浆时(用量为1.0%)，抗张指数和环压指数分别增加了15.90%和9.65%，当加入阳离子淀粉时(用量为1.0%)，抗张指数和环压指数分别增加了32.81%和29.29%。

We got alerted a couple of times while we were down south that HETs were on the way to bring us back up north because things were going to go hot again, but it was just rumors.

南下的途中我们不只一次得到警告说重型装备运输车将拉着我们重新北上，因为局势正在变得重新紧张起来，但这只是谣传。

It's the one where they find the ghost in the salt mine.

这一集是演他们在盐矿找到鬼