?acetone

acetone 發(fā)音

英：['?s?t??n]　　美：['?s?ton]

英：　　美：

acetone 中文意思翻譯

acetone 網(wǎng)絡(luò )釋義

n. [有化] 丙酮

acetone 詞性/詞形變化，acetone變形

形容詞: acetonic |

acetone 短語(yǔ)詞組

1、acetone extraction ─── [機] 丙酮提取

2、acetone alcohol ─── [化] 丙酮醇

3、acetone boby ─── [機] 酮體

4、acetone fermentation ─── [化] 丙酮發(fā)酵

5、acetone bodies ─── [醫] 酮體

6、acetone dichloride ─── [化] 二氯代丙酮; 2,2-二氯丙烷

7、acetone chloroform ─── [化] 丙酮氯仿; 偕三氯叔丁醇; 氯丁醇 ─── [醫] 三氯叔丁醇, 氯丁醇

8、acetone glycerol ─── [化] 丙酮甘油; 亞異丙基甘油

9、acetone compounds ─── [醫] 丙酮化合物

10、acetone monochloride ─── [化] 一氯代丙酮

11、acetone cyanohydrin ─── [化] 丙酮氰醇; 丙酮合氰化氫; 2-甲基-2-羥基丙腈

12、acetone extract ─── [化] 丙酮抽出物

13、acetone number ─── [化] 酮值

14、acetone amine ─── [化] 丙酮胺

15、acetone colllodion ─── [醫] 丙酮火棉膠

16、acetone glucose ─── [化] 丙酮糖

17、acetone diethyl-sulfone ─── [醫] 丙酮縮二乙砜, 二乙眠砜

18、acetone acid ─── [機] 醋酮酸

19、acetone body ─── [化] 酮體

acetone 相似詞語(yǔ)短語(yǔ)

1、acetonic ─── [有化]丙酮的

2、acetate ─── n.[有化]醋酸鹽；醋酸纖維素及其制成的產(chǎn)品

3、acetins ─── n.[食品]醋精；[生化]乙酸甘油酯；甘油醋酸酯

4、acetous ─── adj.酸的；醋的

5、aceto- ─── 乙川；n.(Aceto)人名；(意)阿切托

6、icestone ─── 冰石

7、acetose ─── adj.醋一樣酸的；制造醋的；醋酸的

8、acetoin ─── n.[有化]乙偶姻（等于3-hydroxy-2-butanone）

9、acetin ─── n.[食品]醋精；[生化]乙酸甘油酯；甘油醋酸酯

acetone 常見(jiàn)例句（雙語(yǔ)使用場(chǎng)景）

1、Experiments were performed to evaluate the micro-scale flow boiling heat transfer characteristics of acetone flowing through triangular silicon microchannels. ─── 摘要以丙酮為工質(zhì)，在三角形截面的硅基微通道內進(jìn)行了微尺度沸騰傳熱實(shí)驗研究。

2、The separation of acetone from the acetone and nitrogen mixture using microporous silica membranes was simulated by molecular dynamics (MD) method. ─── 利用分子模擬手段,研究了氮氣／丙酮混合氣體透過(guò)二氧化硅陶瓷膜的滲透過(guò)程。

3、Before all the acetone has evaporated, the still-plastic filament is stretched slightly to align the long molecules and develop the inherent strength. ─── 在丙酮被完全蒸發(fā)掉之前,依然呈塑性的長(cháng)絲被輕輕地拉伸,目的是使長(cháng)分子順直,增加固有強度。

4、And the acetone is the solvent. ─── 而丙酮是溶劑。

5、Same for acetone. ─── 對丙酮是一樣的。

6、Antibacterial peptides were extracted from healthy Japanese flounder (Paralichthys olivaceus) tissues including skins, gills, liver, kidney by methanol and acetone extraction. ─── 摘要以新鮮的牙鲆為試驗材料，用100%丙酮和90%甲醇配制的提取液，從牙鲆的鰓、皮膚、肝、腎組織中提取抗菌肽，并對牙鲆抗菌肽粗提物進(jìn)行部分性質(zhì)檢測。

7、The near near-infrared spectra of tolune, acetone and heptane mixtures were studied in conjunction with the method of principalcomponent analysis . ─── 應用主成分分析法研究廠(chǎng)甲苯、丙酮和庚烷混合體系的近近紅外光譜。

8、Crystallization of aqueous glycin solution with acetone as the anti-solvent is studied to examine the effects of ultrasound on crystal size and habit. ─── 摘要以甘氨酸水溶液的丙酮溶析結晶為對象，探討了超聲波對結晶過(guò)程的影響。

9、ENJECT ETHANOL OR ACETONE ABOUT25 mm TO THE DEW-POINT METER CONTAINER, THEN PUT IN DRY ICE TO REFRIGERATE AND KEEP THE CENTIGRADE UP TO OR LOWER THAN-40℃. ─── 將試樣水平放置，在上面涂一層乙醇或丙酮。使露點(diǎn)儀與該表面緊密接觸，停留時(shí)間按表4的規定。

10、Its major use is in the production of acetic acid and its derivative acetone and various acetates, and of numerous other organic chemicals. ─── 它主要用于生產(chǎn)醋酸及其衍生物和各種醋酸酯，以及生產(chǎn)許多其他有機化學(xué)品。

11、The acetone was than allowed to vaporize until a concentrated syrup-like nitrocellulose lacquer formed. ─── 丙酮比允許是汽化直到被集中糖漿象硝化纖維素亮漆形成了。

12、A small bit of un-nitrated cotton was than removed, and the rest of the acetone was allowed to dry. ─── 小位聯(lián)合國被硝化處理的棉花比被去除是, 并且丙酮的剩余讓烘干。

13、However, other solvents, such as acetone and trichlorotrifluoroethane, were not and the procedure was adequate for recovering a known inoculum of spores. ─── 不過(guò)其他溶劑（如丙酮和三氯三氟乙烷）就不會(huì )，操作適用于回收孢子接種物。

14、Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone. ─── 方法將大鼠眼球投入到由多聚甲醛、冰醋酸和丙酮組成的改良固定液中固定后制成石蠟切片,經(jīng)HE染色后在顯微鏡下觀(guān)察。

15、Acetone (or dimethyl ketone): Simplest and most important ketone (CH3COCH3). ─── 丙酮:亦稱(chēng)二甲基酮:分子式為CH3COCH3,最簡(jiǎn)單和最重要的酮。

16、N-Maleoyl L-glutamic acid was synthesized by reaction of L-glutamic acid monosodium salt with maleic anhydride in aqueous acetone. ─── 摘要以馬來(lái)酸酐和味精為原料，在丙酮水溶液中反應得到N-馬來(lái)酰-L-谷氨酸。

17、A gas phase mass transfer process was experimentally studied, in which the chlorine and acetone react in a short paralled flow wetted wall tube reactor. ─── 利用短的濕壁管并結合雙膜模型研究了氯氣與丙酮并流氯化反應過(guò)程的傳質(zhì)系數 ,考察了丙酮流量VL、氯氣流量 QG及濕壁管長(cháng) l對該氣液反應傳質(zhì)的影響。

18、By using ultrasonic waves to break the cell of strain B. 9, and with acetone as the abstracting liquid, more carotene would be abstracted. ─── 用丙酮作提取液，以超聲波破碎菌體的方法類(lèi)胡蘿卜素得量較高；

19、An industrial process of acetone distillation has been analyzed and a new process withhigher efficiency of removing aldehyde has been developed. ─── 分析了燕化公司化工二廠(chǎng)丙酮精制裝置的工藝操作狀況，提出提高該系統脫醛率的新工藝流程。

20、The separation of acetone,ethanol,benzene,chloroform,toluene was performed on a 10% PEG-20M Chromosorb-W-AW-DMCS column. ─── 對樣品中殘留丙酮、乙醇、苯、氯仿、甲苯的分離選用10%PEG-20M chromosorb-W-AW-DMCS公譜柱。

21、Do not clean PC sheets with benzene, gasoline, acetone, or tetra chloromethane. ─── 勿用苯、汽油、丙酮或四氯化碳清；

22、Acetone is charged into the cylinder and completely fills the pores of the filler material. Acetone is the solvent which will dissolve the acetylene gas charged into the cylinder. ─── 丙酮被充入鋼瓶，徹底填滿(mǎn)填充物材料的孔道。它是溶劑，能夠溶解充入鋼瓶的乙炔氣體。

23、Innovatation of physical chemistry experiment and some considerations were discussed combining with improvement of acetone iodination experiment. ─── 摘要結合丙酮碘化實(shí)驗的改進(jìn)談物理化學(xué)實(shí)驗的改革與感想。

24、It is recommended to crash damaged or unnecessary LCD into pieces and wash off liquid crystal by using solvents such as acetone and ethanol, which should be burned up later. ─── 建議將損壞或無(wú)用的LCD模塊打成碎片并將液晶用乙醇和丙醇清洗干凈,之后需將其燒掉。

25、There were plenty of auxochromic groups and chromophoric groups in the acetone extractives of silver chain. ─── [結論]羥基、羧基等助色基團在預處理條件下氧化成羰基、酯基等發(fā)色基團,使木材的顏色加深;

26、Bioflocculant JT06 was extracted from dewatered sludge by ultrasonication,acetone precipitation and freezing desiccation. ─── 城市垃圾和污水脫水污泥、排水管污泥已成為現代城市污染的主要問(wèn)題。

27、Characteristics: a white or yellowish crystalline powder, slightly soluble inwater, in acetone in alcohol and in methylene chloride, very slightly soluble in ether. ─── 性狀:白色或微黃色結晶狀粉末,微溶于水、丙酮、三氯甲烷,極微溶于乙醚。

28、Acetylene can be safely stored and used in cylinders filled with a porous material and containing a solvent (acetone) into which the acetylene has been dissolved. ─── 乙炔可以安全地在鋼瓶里儲存和使用。鋼瓶里充滿(mǎn)了含有已經(jīng)溶解了乙炔的溶劑（丙酮）的多孔滲水材料。

29、The Daidzin was obtained with a purity of 90% using acetone circumfluence extraction and the hybrid extraction of acetone and ethyl acetate. ─── 利用丙酮回流萃取，然后丙酮、乙酸乙酯組合萃取可以得到90%純度的Daidzin產(chǎn)品；

30、A new kind of bismaleimide resin which could be dissolved in acetone was prepared by bismaleimide,diamine,modifier A. ─── 在二胺改性雙馬來(lái)酰亞胺樹(shù)脂中加入少量改性劑A可制得1種能溶于丙酮的雙馬來(lái)酰亞胺樹(shù)脂。

31、The mixture reagent of hexane and acetone that brings good side-glowing luminance is used to treat the optical fibers' surface. ─── 其中光纖表面采用側發(fā)光處理效果較好的正己烷與丙酮混合試劑處理。

32、The process flow was designed and experimentally studied for separation of acetone,tetrahydrofuran(THF) ,triethylamine and water mixture. ─── 對丙酮、四氫呋喃、三乙胺、水混合物的分離進(jìn)行了工藝流程設計和實(shí)驗研究。

33、In addition, the acetone in the product was verified by IR and the photocurrent was also found. ─── 文中對六鎢酸四丁基銨鹽的催化反應機理進(jìn)行了討論。

34、The herbal material samples were smashed,pyrolyzed,extracted with acetone and ethanol mix solution and determined by GC/MS. ─── 中藥材樣品經(jīng)粉碎,離線(xiàn)高溫裂解,丙酮乙醇混合液萃取后,利用氣相色譜-質(zhì)譜聯(lián)用法進(jìn)行測定。

35、After the device is decapped, it is dipped into acetone and clean with ultrasonic washer for5 minutes. ─── 開(kāi)封結束后，將器件浸在丙酮中超聲清洗5分鐘。

36、The solvents we used were acetone,methyl ethyl ketone,methyl isobutyl ketone,ethyl acetate and vinyl acetate. ─── 對丙酮、甲苯、丁酮、甲基異丁基酮、乙酸乙酯、醋酸乙烯酯等溶劑進(jìn)行了評選。

37、METHODS：TCS was obtained by the fractional precipitate with acetone from the homogenate of the root or the calli. ─── 方法：采用丙酮沉淀方法，獲得栝樓葉片愈傷和塊根的蛋白提取物。

38、The applied potential of the acetone sensor was -2.15 V (vs.Ag/AgCl) in 0.1M sodium tartrate. ─── 將丙酮還原為醇類(lèi)，進(jìn)而產(chǎn)生電流變化而得到感測訊號。

39、Best solvent system and qantity of modified acetone are determined by experiments. ─── 實(shí)驗確定了最佳溶劑體系及改性丙酮加入量。

40、The different morphologies of HMX crystals are obtained from recrystallization with various solvents such as acetonitrile, acetone, butyrolacetone and cyclohexacetone. ─── 摘要以乙腈、丙酮、丁內酯和環(huán)己酮等作為溶劑對HMX進(jìn)行重結晶獲得不同形貌的結晶顆粒。

41、Appearance: Red crystal. Easily deliquescent in wet air, soluble in water, alcohol and acetone, it becomes light-blue powder after losing the crystal water. ─── 性狀：紅色結晶；在濕空氣中易潮濕，易溶于水，也溶于乙醇、醚和丙酮；脫水后呈淺蘭色粉末。

42、Carbon tetrabromide was prepared from acetone and sodium hypobromite by adding tetrabutylammonium bromide.The yield and purity were very satisfactory. ─── 向次溴酸鈉溶液中滴加適量的丙酮,在四丁基溴化銨催化下,高產(chǎn)率得到四溴化碳。

43、Always store and use acetylene cylinders in an upright position to prevent loss of acetone which reduces the cylinder's ability to hold dissolved acetylene. ─── 總是在垂直地儲存和使用鋼瓶，以防止丙酮的損失，導致鋼瓶容納溶解的乙炔的能力下降。

44、Protein quantitative and SDS-PAGE electrophoresis results showed that TCA-acetone method was the best for extracting tea callus proteins. ─── 通過(guò)對蛋白得率和SDS-PAGE單向電泳圖譜的比較，發(fā)現TCA-丙酮法最適合茶樹(shù)愈傷組織中蛋白質(zhì)的提??；

45、Is water repellent, insoluble in alcohol or acetone. ─── 圈內切片或細胞可用醛類(lèi),乙醇或丙酮固定。

46、Soluble in water and methyl alcohol,slightly soluble in ethanol,insoluble in acetone and aether. ─── 在水、甲醇中溶解；在乙醇中微溶，在丙酮和乙醚中幾乎不溶。

47、We are the professional agents for storage and manage to imports and domestic produced organic chemical solvent 2-butanone (MEK), methyl isobutyl ketone(MIBK), acetone(DMK). ─── 公司專(zhuān)業(yè)代理.儲運.經(jīng)營(yíng)進(jìn)口和國產(chǎn)有機化工溶劑丁酮(MEK)，甲基異丁基甲酮(MIBK)，丙酮（DMK）。

48、Do not use abrasive cleaning agents, scourers, acetone, alcohol etc. to clean the appliance. ─── 不要使用研磨劑、擦洗器、丙酮、酒精等清潔榨汁機。

49、The transformation rate of citral was more than 99% and the yield was 95% in the reaction of citral with acetone. ─── 并縮合反應中,檸檬醛的轉化率為99%以上,產(chǎn)品得率95%;

50、The antioxidant of Terminalia chebula Rotz are distilled by the ultrasonic extraction method with acetone, ethyl acetate and 85% ethanol. ─── 摘要以丙酮、乙酸乙酯、85%乙醇作溶劑，用超聲法提取訶子中的抗氧化成分。

51、A small bit of un- nitrated cotton was than removed, and the rest of the acetone was allowed to dry. ─── 小位聯(lián)合國被硝化處理的棉花比被去除是，并且丙酮的剩余讓烘干。

52、After some initial problems, acetone was successfully produced in quantity. ─── 解決了最初的一些問(wèn)題后，成功地生產(chǎn)出了大量丙酮。

53、I used solvents such as water, acetone, and denatured alcohol to push the crayon dust around as if it were paint. ─── 我用一些溶劑涂抹粉筆，讓畫(huà)面效果看起來(lái)像是用顏料處理過(guò)的。

54、After the device is decapped, it is dipped into acetone and clean with ultrasonic washer for 5 minutes. ─── 開(kāi)封結束后,將器件浸在丙酮中超聲清洗5分鐘。

55、However, in the process of burning fat in the blood, "acetone" and to stimulate increased urination. ─── 不過(guò)，在燃燒脂肪的過(guò)程中，血液中的“丙酮”量增加及刺激排尿。

56、HPMC can not dissolve in grain alcohol, aether and acetone without water in themand can dissolve into clear or slight feculent colloidal solution. ─── HPMC在無(wú)水乙醇、乙醚、丙酮中幾乎不溶，在冷水中溶解成澄清或微渾濁的膠體溶液。

57、The process for renovating acetone stripper system is described. ─── 介紹了丙酮汽提塔系統的工藝改造過(guò)程。

58、Ever used nitrocellulose acetone glue to make adhesive in the past, defect is film of easy shift, glue fragile, do not be able to bear or endure bend. ─── 早先曾使用硝化纖維丙酮膠作粘合劑,缺點(diǎn)是輕易移位、膠膜脆、不耐彎曲。

59、Therefore, the diabetic patient has a higher acetone concentration in their expiration gas, blood, or spittle than that of a nondiabetic people. ─── 因此糖尿病患者的血液、尿液及呼出的氣體內含丙酮的量較一般健康的人高。

60、Method: To extract lecithin from egg yolk with acetone and ethanol. ─── 方法:用丙酮、乙醇提取蛋黃中的卵磷脂。

61、The best process was as follows: capsanthin was first extracted with acetone for 2 h at pH10. ─── 主要研究復合溶劑法提取辣椒紅素的工藝。

62、In the two eluants, the ratio of ethyl acetate or acetone to benzene depended on the elution order. ─── 在兩種洗脫劑系統中,乙酸乙酯或丙酮對苯的比例根據試驗的洗脫順序而定。

63、The allowable charged amount of acetylene and acetone controlled and balanced by Mollier diagram can make them in safe equilibrium condition. ─── 利用莫勒圖法平衡和控制乙炔、丙酮的允許充裝量，能令二者處于安全的平衡狀態(tài)。

64、Washing NRM tubes using acetone first, then use double distill water to wash a couple times. ─── 先把管子加滿(mǎn)硝酸，泡幾天，然后每根管子用大概幾百毫升雙蒸水洗（用一種專(zhuān)門(mén)清洗核磁管的裝置）。

65、It dissolves in alcohol, acetone, especially in benzene, chloroform, aether, carbon tetrachloride, carbon bisulfide, amyl acetate, toluene and etc., and only a little in water. ─── 微溶于冷水，溶于酒精、丙酮，易溶于苯、氯仿、乙醚、四氯化碳、二硫化碳、醋酸戊酯和甲苯等。

66、The spinning solution is made by dissolving cellulose acetate in acetone containing a small amount of water (up to 10 percent). ─── 將醋酯纖維素溶解于丙酮中(丙酮中含有少量的水,最大含水量為丙酮重量的10%)而形成紡絲液。

67、The minimum acetone concentration for phase transition is 46%, 48% and 52% for AAm-NaMA hydrogel characterized by yCo=3%, 5%, 8%, respectively. ─── 當共聚單體含量為3%、5%和8%時(shí)，不連續相變所需丙酮的最低濃度分別為46%、48%及52%。

68、METHODS 3-hydroxyestrogen reacted with dimethylsulfate in acetone in the presence of potassium carbonate. ─── 方法以含3－酚羥基的雌激素類(lèi)化合物為原料，丙酮為溶劑，在碳酸鉀存在下與硫酸二甲醋反應。

69、Easily deliquescent in wet air, soluble in water, alcohol and acetone, it becomes light-blue powder after losing the crystal water. ─── 性能：在濕空氣中易潮濕，易溶于水，也溶于乙醇、乙醚和丙酮；脫水后呈淺蘭色粉末。

70、Acetone (or dimethyl ketone): Simplest and most important ketone (CH3COCH3). ─── 丙酮:亦稱(chēng)二甲基酮:分子式為CH3COCH3，最簡(jiǎn)單和最重要的酮。

71、After renovation, the acetone stripper raises its efficiency, which was rather low in the original acetic acid recovery system for removing acetone. ─── 摘要原醋酸回收系統中丙酮汽提塔脫丙酮的效率很低，損失大量己烷。

72、A headspace GC method for determination of residual ethanol, acetone and hexane in cefuroxime sodium was established. ─── 建立了測定頭孢呋辛鈉中有機溶劑乙醇、丙酮及正己烷殘留量的頂空氣相色譜方法。

73、Acetone is mainly used as solvent, and for production of acetone cyanohydrin, MMA and bisphenol A secondly. ─── 丙酮主要用做溶劑,其次是生產(chǎn)丙酮氰醇、MMA和雙酚A。

74、Then acetone is used as a decolorant to make the raw gutta percha into pure rubber.Alcohol cannot solve gu... ─── 提取液經(jīng)蒸餾適量回收溶劑后,再以乙醇為沉淀劑,丙酮為脫色劑制得白色富有彈性的杜仲精膠。

75、Meanwhile, acetone was a polymerization inhibitor in preventing the self-polymerization of p-methoxybenzyl chloride, and 11. ─── 同時(shí)探索了甲氧基芐氯自聚的阻聚劑,初選的阻聚劑丙酮可使甲氧基芐氯粗品的收率提高11.2%。

76、DOT regulations control the amount of acetone and acetylene allowed in each size cylinder. ─── dot的規范控制了允許充入每種尺寸鋼瓶的丙酮和乙炔的數量。

77、As the jets of cellulose acetate solution emerge they meet a stream of warm air which evaporates the acetone, leaving the solid cellulose acetate in the form of fine filaments. ─── 在醋酯纖維素的射流束出現時(shí),會(huì )遇到一股熱流,丙酮被蒸發(fā),剩下的則是細絲狀的醋酯纖維紗。

78、In the first step, the body water and soluble fats are dissolved from the body by placing it into a solvent bath (e. g. , an acetone bath). ─── 第一步，通過(guò)將尸體放入溶劑缸槽（比如丙酮），去除身體的水份和可溶性脂肪。

79、After filtration,the filtrate was added with acetone. ─── 加入丙酮使芒果苷單鈉沉淀結晶析出。

80、The process flow was designed and experimentally studied for separation of acetone, tetrahydrofuran( THF), triethylamine and water mixture. ─── 對丙酮、氫呋喃、乙胺、混合物的分離進(jìn)行了工藝流程設計和實(shí)驗研究。

81、Abstract： The antioxidant of Terminalia chebula Rotz are distilled by the ultrasonic extraction method with acetone, ethyl acetate and 85% ethanol. ─── 摘 要： 以丙酮、乙酸乙酯、85%乙醇作溶劑，用超聲法提取訶子中的抗氧化成分。

82、Used Sansevieria trifasciata Prain as raw material,pigment was extracted by the diffusion solvent such as water,Alcohol,Ether,Acetone and so on. ─── 以虎皮蘭為原料,對虎皮蘭色素用水、乙醇、乙醚和丙酮等作為浸提劑進(jìn)行了篩選,并對虎皮蘭色素提取條件進(jìn)行了研究。

83、The compound reinforcer agent YDS can activate swift the carbonyl groups of furfural and acetone molecules.The product solidifica with epoxy resin. ─── YDS復合增強劑能迅速活化糠醛、丙酮分子中的碳基,其活化產(chǎn)物能參與環(huán)氧樹(shù)脂的固化反應。

84、Dropped hydrochloric acid or sulfuric acid to acetone oxime,solid hydroxylamine could get. ─── 在所得的丙酮肟中,滴加濃硫酸或濃鹽酸,可以分別得到固體的硫酸羥胺或鹽酸羥胺。

85、Bisphenol-A(BPA) is a white, solid chemical produced by recombining phenol and acetone catalyzed by hydrochloric acid. ─── 我們是第一手從國外進(jìn)口,具有很大的價(jià)格優(yōu)勢.

86、Acetylene is a flammable gas stored in cylinders as a dissolved gas. The cylinders are filled with a porous material saturated with a solvent, usually acetone. ─── 乙炔是易燃的，作為溶解氣體儲存在鋼瓶里。鋼瓶?jì)忍畛渲?zhù)充滿(mǎn)了浸透了溶劑，通常是丙酮的多孔滲水材料。

87、One might expect azomethane to have a Y structure similar to that of acetone(CH3)2CO. ─── 可以預期偶氮甲烷分子具有和丙酮（CH3）2CO分子相似的丫形結構。

88、The adhesion properties of nanostructures with the substrates were qualitatively compared by ultrasonic agitation in acetone bath. ─── 并利用超音波丙酮浴之震盪來(lái)比較其附著(zhù)特性。

89、As the rubber droplets lose the acetone solvent , they become tacky and agglomerate. ─── 當橡膠滴失去丙酮溶液后，變成粘的，聚集態(tài)的。