- 更多網(wǎng)絡(luò)例句與尿素甲醛相關(guān)的網(wǎng)絡(luò)例句 [注：此內(nèi)容來源于網(wǎng)絡(luò)91在线视频播放入口在线观看，僅供參考]
-
The content of biuret by colorimetry and the total content of nitrogen in urea and biuret were mensurated.
摘 要：對固相法和液相法合成氰尿酸的方法進(jìn)行比較精美黄色网站，采用比色法測定縮二脲含量熟女污污色，用甲醛測定尿素人人操人人捖人人看、縮二脲的總氮量国产无码色色AV，由縮二脲的含量有AA级黄片会动图免费看、總氮量推算出尿素的含量及產(chǎn)品的純度，從而說明液相法的優(yōu)勢免费A级高清在线观看。
-
In this paper the two rapid determining methods for carbamide in milk,p-dimethylaminobezaldehyde mehod and nitrite-Griess method,were developed.
建立了對二甲氨基苯甲醛法和亞硝酸鹽—格里斯試劑法對牛奶中摻入尿素的快速檢測方法狂野欧美粗黑硬大。
-
In acidic condition, the extractive form waste water in hardboard production reacts with extra amount of formaldehyde at 1-5∶1 (formaldehyde : solid extractive, based on weight) to prepare extractive-formaldehydecomplex, then urea or phenol is added into the solution of this complex and reacts with unreacted formaldehyde to form a new adhesive system.
利用纖維板生產(chǎn)中廢水提取物與過量甲醛(甲醛溶液與粉狀廢水提取物的重量比為1～5：1)在酸性條件下可制成纖維板廢水提取物-甲醛復(fù)合體，此種復(fù)合體反應(yīng)液中的過量甲醛再用尿素或苯酚吸收九九玖玖，從而制成尿素改性纖維板廢液膠一级女家教。
-
In addition, the pendent urea may be useful as a reactant for formaldehyde to reduce emissions of formaldehyde.
另外，下垂尿素也許是有用作為甲醛的反應(yīng)劑能減少甲醛放射无码国产在线呦呦。
-
Regarding polyurethane varnish as host of the formaldehyde absorbent,mainly aminoacetic aicd , casein, tannins, L - glutamate, DL - a - amino acid, urea, hexamethylenetetramine, lignin and molecule are chosen to serve as formaldehyde absorbent.
以硝基清漆為吸收基質(zhì)国产巨乳美女中文字幕毛片在线，主要選擇了如氨基乙酸、干酪素www.人人操人人操麻豆、鞣質(zhì)www.99re6.com、L-谷氨酸、DL-α氨基丙酸性交配网站、尿素丝袜人妻欧美、六次甲基四胺欧美日韩三区二区三区二区、木質(zhì)素、分子篩等作為甲醛吸收劑丁香婷婷五月天综合，涂布于聚氯乙烯膠片上做甲醛吸收測試在线观看国产技师自拍网站免费视频；根據(jù)測試結(jié)果，制作的甲醛吸附劑能起到較好的甲醛吸收效果毛片a片一级片；并探討了硝基清漆中吸收劑用量的篩選及吸收時間對甲醛消除的影響因素欧美黄色大片久久网频播放。
-
Main connections are methenyl ether linkage and methenyl. From the end of heat preservation to the end of whole reaction, main reaction was polycondensation. In general, there were three types reaction among melamine modified UF resin, urea-formaldehyde system, melamine-formaldehyde system and melamine-urea-formaldehyde system.
保溫反應(yīng)結(jié)束直到整個反應(yīng)結(jié)束，縮聚反應(yīng)為主要反應(yīng)類型色色五月天网站，三聚氰胺改性脲醛樹脂中存在著3種反應(yīng)體系：尿素甲醛的反應(yīng)體系小黄片AV、三聚氰胺甲醛反應(yīng)體系和三聚氰銨尿素甲醛共縮合反應(yīng)體系。
-
The uron content was determined and the effects of pH value, temperature, reaction cycle and catalyst species on the Uron content were also discussed by FTIR quantitative analysis by uronizing urea-formaldehyde derivatives at the beginning of the reaction before the synthesis of UF resin.
采用在脲醛樹脂合成初期對尿素－甲醛衍生物進(jìn)行Uron化反應(yīng)后一级毛片毛片毛片毛毛片，再進(jìn)行UF樹脂合成的技術(shù)方法黄网站久久热，通過FTIR定量分析，研究了不同pH值色库视频导航、反應(yīng)溫度国产不卡精品视频、反應(yīng)時間及催化劑種類對尿素與甲醛成環(huán)化反應(yīng)的Uron相對值的影響。
-
The results show that urea-formaldehyde resin can effectively capsulize an organic material of paraffin.
以石蠟為囊芯97人人操人人弄，尿素-甲醛樹脂為囊壁欧差超碰在线免费，運用原位聚合法合成相變儲能微膠囊材料。
-
During the 1970s, urea-formaldehyde foam insulation was used in many homes.
在20世紀(jì)70年代鸥美多人××视频，尿素甲醛泡沫絕緣材料曾在許多家庭淫荡视频网址。
-
A study of the application of cyclic ethylene urea-formaldehyde resin finish on cotton and viscose rayon fabrics has been made.
根據(jù)國內(nèi)的需要和已有的資料，我們對環(huán)亞乙基尿素——甲醛樹脂在棉布及人造棉織物上的應(yīng)用纯A级黄毛片一级，進(jìn)行了初步的研究永久黄网站色视频免费观看w下载。
- 更多網(wǎng)絡(luò)解釋與尿素甲醛相關(guān)的網(wǎng)絡(luò)解釋 [注：此內(nèi)容來源于網(wǎng)絡(luò)，僅供參考]
-
nylon：耐綸
日常生活中常見的塑膠有,聚乙烯(polyethylene) PE,聚苯乙烯(polystyrene)PS,聚氯乙烯(poly(vinylchloride)) PVC,聚四氟乙烯(poly(tetrafluoroethylene) 俗稱特夫綸或鐵弗龍,聚2-甲基丙烯酸甲酯俗稱壓克力或塑膠玻璃,耐綸(Nylon) 又稱尼龍,尿素甲醛樹脂,
-
Sodium Salicylate Technical Grade：水楊酸鈉
尿素甲醛樹脂 urea formaldehyde resins | 水楊酸鈉 Sodium Salicylate Technical Grade | 水楊酸升華級 Salicylic acid sublimed Grade
-
Diazolidinyl Urea：尿素醛 防腐劑
致敏成因:定妝水含有丙二醇(Propylene Glycol)及尿素醛防腐劑(Diazolidinyl Urea)等化學(xué)物質(zhì),前者有機會阻塞毛孔黄片ah视频、刺激皮膚及黏膜. 后者會釋放甲醛,刺激皮膚,長期使用或可致癌.
-
Diazolidinyl Urea：尿素醛
第三類包括季銨鹽類(quaterniums)與尿素醛(diazolidinyl urea)等防腐劑,會在產(chǎn)品或皮膚中分解,釋放出具有致癌性之甲醛. 經(jīng)常使用滑石粉為主原料之爽身粉,容易因吸入而引發(fā)急性或慢性肺炎與相關(guān)疾病,像是滑石病(talcosis)甚至是死亡. 此外,
-
urea-formaldehyde：尿素甲醛
urea formaldehyde varnish 脲醛清漆 | urea formaldehyde 尿素甲醛 | urea synthesizer 尿素合成塔
-
urea-formaldehyde resin：脲甲醛樹脂
urea 尿素 | urea-formaldehyde resin 脲甲醛樹脂 | ureas 尿素塑料
-
Urea-formaldehyde resinUF：尿素甲醛(電玉尿素)
聚異丁烯PolyisobutylenePIB | 尿素甲醛(電玉尿素)Urea-formaldehyde resinUF | 不飽和聚酯(達(dá)克龍)Unsaturated polyesterUP
-
urea-formaldehyde glue：脲醛膠
urea-formaldehyde foam ==> 脲醛泡沫 | urea-formaldehyde glue ==> 脲醛膠 | urea-formaldehyde plastics ==> 脲醛塑料,尿素甲醛塑料
-
urea-formaldehyde adhesive：脲醛粘合劑
urea-formaldehyde ==> 尿素甲醛 | urea-formaldehyde adhesive ==> 脲醛粘合劑 | urea-formaldehyde foam ==> 脲醛泡沫
-
polyvinyl resin：聚乙烯樹脂
攪拌混合使有機單體在聚合作用中,順便將廢棄物包結(jié)其間. 當(dāng)攪拌混合完成后,所形成的固化物,亦即聚合物(polymer)有如具有彈性的橡皮終產(chǎn)物. 目前常用于此法的固化劑有尿素甲醛聚酯(urea-formalde hydepol-yester)和聚乙烯樹脂(polyvinyl resin)等