chemical-constant 中文意思是什麼

Using the advanced technology by its head office ( newkey co., ltd. ), it produces various kinds of alumina black and white ceramic products. the component alumina ceramics, which are widely used in electron components, devices, electrical products, enjoy low loss of high frequency, high insulating strength, good specific volume resistance, small dielectric constant, high mechanical intensity and excellent airtightness and thermal and chemical stability

本公司根據目前市場需求，生產出各種型號的黑、白陶瓷產品，廣泛應用於電子、電工、化學工業、紡織工業、水暖、宇航、環保等諸多方面，系列產品有高頻損耗少，比體積電阻大，介電常數小，強度高，氣密性、熱穩定性、化學穩定性好等特點。

The effects of various additives elements and doping methods on foam nickel electrode ' s performance were studied using constant current charge - discharge test. we compared two doping methods : mechanical mixing doping and chemical co - precipitation doping

利用恆流充放電實驗等電化學測試方法研究了不同摻雜元素及摻雜方式對泡沫鎳電極的影響作用，對機械混合摻雜和化學共沉積摻雜進行了比較。

Testing methods for chemical resistance of plastics under constant tensile deformation

在恆定拉伸變形下塑料耐化學作用的試驗方法

Featured by wide band gap, high breakage electric field, high electron mobility, low dielectric constant, strong irradiation proof and excellent chemical stability, silicon carbide ( sic ), viewed as one of the most promising wide band gap semiconductors, is widely utilized in optoelectronic devices, high frequency and large power, high temperature electronic devices

被譽為最有潛力的寬禁帶半導體材料一sic ，因其具有禁帶寬度大、擊穿電場高、熱導率大、電子飽和漂移速度高、介電常數小、抗輻射能力強、良好的化學穩定性等優異的特性，被廣泛地應用於光電器件、高頻大功率、高溫電子器件。

Tantalum oxide ( ta2o5 ) attracts more attentions because of its high dielectric constant, stable thermal and chemical properties. it might become the most promising candidate high constant dielectric thin films applied in industries

氧化鉭薄膜（ ta2o5 ）因為具有高介電常數和良好的熱、化學穩定性，成為最有希望獲得實際應用的介電膜。

Using the effective action we got in a nuclear matter, we calculate the decay constant / ? and tt mass m - jf as functions of the chemical potential

利用我們得到的核物質中的有效作用量，我們計算了介子的衰變常數和質量，他們都是化學勢的函數。

According to the law of mass action, the law of mass conservation and the principles of chemical thermodynamics, mathematics model about components " modes of occurrence ( that is simple ions, complex anions and complex compounds ) and their concentration in dam foundation solution has been set up with balance constant method

本文根據質量作用定律、質量守恆定律和化學熱力學的基本原理，應用平衡常數法建立了地下水水質組份存在形式（即單一離子、絡陰離子和絡合物）及其濃度分佈的數學模型。

The charging of lead - acid battery, the most widely accepted secondary battery, constrained to technological limitation, mainly adopted traditional charging methods such as constant voltage, constant voltage with current limitation, constant current and etc. those methods may not follow the internal physical and chemical laws within the battery, leading to serious overcharge and gas - generation, and resulting in low - efficiency, time - consumming and prone - to - damage of the charging operation

二次電池中被最廣泛接受的鉛酸蓄電池由於技術條件的限制，其充電主要採用恆壓、恆壓限流、恆流等常規模式，這些充電方法未能遵從電池內部的物理化學規律，大多存在著嚴重的過充電和析氣等現象，並導致充電過程的低效，耗時和易損。

The equipment made by us of titanium, stainless steel, aluminum or plastics, mainly include column condenser ( heat exchanger ) ; coil hear exchanger ; membrane evaporator ; constant boil tower ; reactor ; pressure filter, storage tank ; blower, centrifuge and ta series corrosion - resist titanium pump, as well as variety of metal constructional member. they are widely applied in the industries of petrochmical engineering, smelt, pharmacy, chlorinate alkali, salt preparation, as well as electric chemical plant

我廠生產鈦材，不銹鋼等各種材質的化工設備，主要有風機，離心機，鈦泵，鈦閥，列管式冷凝器（換熱器） ；盤管式換熱器；薄膜蒸發器；塔器；反應器；貯存容器；面向石油化工，冶煉，制藥，氯堿，制鹽食品，造紙，環保等化學工業領域及電化行業。

The intrinsic chemical reaction rate constant was insensitive to the precursor and the calcinations history of cao, but the product layer diffusivity was affected by these two factors in the initial stage and decreased to a constant value with increasing conversion of cao

化學反應速率常數不受氧化鈣的先驅物與其鍛燒程序所影響，但產物層擴散系數在初始階段則受到上述兩因素的影響，並隨著氧化鈣的轉化而減少至一定值。

Pure, natural, chemical - free skincare and makeup products may be your destination. stress in urban living, constant changes of weather, poor indoor air quality, high pollution in the streets, synthetic foods etc. all add burden to our body

面對現今社會的種種壓力，驟變的天氣和污濁的空氣，我們脆弱的皮膚肯定需要至清至純的呵護和潔凈，才可以保持柔嫩光澤，明艷照人。

The constant chemical trickle is an old worry for environmentalists

這一化學藥劑的涓涓之流，早就令環保人士憂慮了。

The total target that the transportation departments do about adjusting the construction of transportation capability is keeping the shipping abilities constant and reducing to 18 percent in the dry cargo and break bulk cargo ; rise up 12 percent in oil ships ; owning 1. 5 percent in chemical and liquid ships and 6. 5 percent in roll - roll and other ships in 2005. the transportation capability is controlled by the promotion of 2. 5 pecent during 2006 and 2010. the transportation capability is reduced to 75 percent in dry cargo and break bulk cargo and risen up 13 percent in oil ships ; 2 percent in chemical and liquid ships ; 10 percent in roll - roll container and other ships in 2010

交通部關于運力結構調整的總體目標是： 2005年前，長江省際運輸運力總量基本保持不變，通過結構調整到2005年使干散貨運力比重下降到18 ，油船比重上升到12 ，化學品船和液化氣船佔1 . 5 、汽車滾裝船等其它船舶佔6 . 5 ； 2006年? 2010年，長江省際運輸運力總量平均增長控制在2 . 5以內，通過結構調整，到2010年使干散貨船運力比重下降到75 ，油船比重上升到13 ，化學品船和液化氣船佔2 ，汽車滾裝船、集裝箱船等其它船舶佔10 。

It also means that the quantity of a given chemical entity not destroyed by the reaction must remain constant.

它還意味著已知化學物質的量不但不會被反應所改變而且必須保持恆定。

This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題，主要研究內容有： （ 1 ）實驗、測定了20種常見生物質的能量（發熱量）和c 、 h 、 n元素含量，根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式，並通過r _ （ 0 . 05 ）檢驗；為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便； （ 2 ）選擇了8種生物質試樣作了等加熱速率（ 10 min 、 20 min 、 40 min 、 60 min ）和恆溫加熱的tg和dtg實驗，根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程，並採用goast - redfem積分法和p函數對其動力學參數進行了求解，解析出各種生物質的頻率因子和活化能參數，進而建立了各種生物質的熱解動力學模型，為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述，提供了理論和依據； （ 3 ）為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間，在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定，得出生物質的長徑比（ l d ）一般在5 . 0 6 . 0之間，平均為5 . 3的結果； （ 4 ）採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究，解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間（ t ） ，得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果，為閃速熱解反應器固相滯留時間設計和預測提供了理論依據； （ 5 ）根據上述實驗結果，綜合運用工程力學、工程材料、機械設計學原理，推導、建立了轉錐式閃速熱解反應器物料滯留時間（ ）與轉速（或頻率）合理匹配理論； （ 6 ）提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。

This work include : in order to demarcate chemical kinetic model inwhich organic matter generate oil and gas, constant velocity, rising temperature thermal modeling experiment is designed ; in order to demarcate chemical kinetic model inwhich oil crack into gas, isothermic thermal modeling experiment inwhich oil crack into gas is designed ; in order to establish chemical kinetic model inwhich family constituents in oil ( saturated hydrocarbon, arene, non - hydrocarbon, bitumen ) change into gas, isothermic or constant velocity jsothermal modeling experiment is designed

這一工作包括：為標定有機質成油、成氣的化學動力學模型，設計進行了恆速升溫熱模擬實驗；為標定油成氣的化學動力學模型，設計進行了等溫的油裂解成氣的熱模擬實驗；為建立油中各族組分（飽和烴、芳烴、非烴、瀝青質）成氣的化學動力學模型，進行了恆溫或恆速升溫模擬實驗。

Rclying on the abundant technical strength of zhejiang university chemical machinery research instiute, it is specially engaged in the production of all kinds of the medical instruments such as the steam modular cylinder, modular dyeing tube, bactcricidal cylinder, gas storage cylinder, fermentation cylinder, heat exchanger, desk type, verticaltype, portable, horizontal electrically - hcated pressure steam sterilizer, carbon dioxide, biochemical, mycetes, illumination, water - sealcd, clectrically - heatedpressure steam sterilizer, dry heating sterilizer, carbon dioxide, bibiochemical, mycetes, illumination, water - sealcd, clectrically - heated, clectrically - heated constant temperature type culture box, fixed temperature and humidity box, climate cabinet exc. meanwhile it offers a full set of the stainless steel utensil serial products to the pharmaceuticals, health - care products, food, drink, cosmetics, uncontaminated workshops and so on. it can design and manufacture various non - standard equipments according to the consumer is requirements. welcome to make inquiry into this company. we are looking forward to cooperating with you

本公司依託浙江大學化機研究所專業開發，製造各類：蒸汽定型罐、定型染色缸、殺菌罐、儲氣缸和發酵罐、熱交換器、臺式、立式、手提式、臥式電熱壓力蒸汽滅菌器、乾熱滅菌器、二氧化碳、生化、黴菌、光照、隔水式、電熱恆溫培氧箱、恆溫恆濕箱、人工氣候箱等醫療儀器，同時提供製藥、保健品、食品、飲料、化妝品、潔凈車間成套不銹鋼器具系列產品，還可根據用戶要求設計、製造各種非標設備，歡迎您的垂詢，期待您的合作！

Conventional chemical constant

習用化學常數

In addition, the specific heat c have been manipulated under control of dimensionality, i. e the chemical potential have been discussed in lower - dimension system. the results is interesting that, dose not intend to fermi energy f when temperature is very low in 2d, whereas is a constant in 1d

對于低維情況的化學勢的討論，我們得到：在二維情況下，當溫度很低時，化學勢不再趨于fermi能量；在一維情況下，為常數（諧振子勢場的頻率一定） 。

Shanghai of the administer below the enterprise establishs line of business of casting of company of constant decelerate aircraft, constant peaceful factory of cent of gear of peaceful of factory of cent of component of metal of limited company, hengtai, constant, heng fengtai ( hungarian ) branch and southeast, medium south wait for key city, the product involves the trade such as environmental protection of project of fundamental industry, petro - chemical, smelt, food group

企業下轄上海立恆減速機公司、恆泰鑄業有限公司、恆泰金屬構件分廠、恆泰齒輪分廠、恆豐泰（匈牙利）分公司以及東南、中南等重點城市辦事處，產品涉及到基礎工業、石油化工、冶煉工程、食品環保等行業群。