查询词典 Low Mass

The principal mass-independent cause for variation in the basal rate of eutherian mammals is that high rates of energy expenditure, when ecologically feasible, facilitate high reproductive outputs, whereas some habits and environments require low energy expenditures, which lead to low rates of reproduction.

除体重因素外，导致真兽类基础代谢率变异的主要原因是：当生态因素适合时，高水平的能量消耗可以促进动物的高繁殖输出，而动物的某些习性和生存环境则会要求低能量消耗，从而使繁殖率降低。

Methods By using the theories of conservation of mass, of energy, Darcy's law and hydrokinetics, the mechanical model of oil layer fluid under the function of low frequency vibrated wave was studied. With the combination of indoor experiment and the numerical simulation, the effect of downhole low frequency vibration on oil viscosity, interfacial tension, capillary pressure, producing water cut and the rising velocity of it was studied quantitatively.

应用质量守恒定律、能量守恒定律、达西定律、流体动力学等基本原理研究了低频振动波作用下油层流体的数学模型，将室内实验和数值模拟技术相结合定量地研究了低频振动对原油私度、界面张力、毛管压力、产水率及产水率上升速度的影响。

According to the experiment results of degradation in field, degradation mechanism of the biodegradable mulch film can include four stages: the first, the material surface appeared deficiency while the surface area and interstice increased of material in the action of natural environment and microorganism; the second, along with the surface area and interstice of material increased and the gap strengthened, the chemical chain of the high polymer's principal chain broke as a result of the hydrolysis or the enzymatic effect in the action of hydration, causing the molecular weight and mechanics function descended; the third, the molecular of high polymer split the low polymer after its physical mechanical function descended, the material decomposed the fragments, the mass defect intensified; the fourth, the low polymer of fragments form in the natural environment, the microorganism, the biological enzyme became the smaller fragments, thus absorbed by the phagocytes, or further turn into CO2 and H2O due to hydrolysis.

根据田间降解试验结果推测，生物全降解地膜的降解机理可能包括四个阶段：第一，在自然环境、微生物作用下，材料表面出现缺陷，同时表面积增大、空隙增多；第二，随着材料表面积的增大、空隙的增多，吸水性增强，在自水合作用下，高聚物主链由于水解或酶解而使化学链断裂，导致分子量和力学性能下降；第三，在其物理机械性能下降后，高聚物分子链断裂为低聚物分子，材料裂解为碎片状，质量损失加剧；第四，碎片状低聚物在自然环境、微生物、生物酶作用下进一步水解变成尺寸更小的碎片，从而被吞噬细胞吸收，或进一步水解，生成CO2和H2O。

In the case of electrostatic business card printing and membership card preparation of digital business card printing and membership card-making machine, photocopying machines or desktop business card printing and membership card making machine is the most common, and on this kind of business card printing and membership card equipment requires a paper in temperature and humidity of the environment and good dimensional stability, low twice the total mass, and low wrinkle, also requires appropriate crocking, surface conductivity, adequate stiffness and business card printing and membership card number in the process of making paper or dust.

如诳骗静电制卡和会员卡制息道理的数字化制卡和会员卡制息机、复印机或台式制卡和会员卡制息机最为个别，差这类制卡和会员卡制息摆设不离请求纸张在温干度改变的境况下，有精良的尺寸安不退性、矮挠曲性、及矮起皱性，同时还请求有不合的耐磨擦性、暗地导电性、不足的挺度、而且在制卡和会员卡制息历程洋众失纸毛或尘埃。

Is a mass series production of automotive sensor and automotive devices specialized low-temperature start-up enterprises, the introduction of Germany core technology to produce low-temperature start-up automotive devices, isothermal section, and Fan Motor Dual temperature switch, oil pressure alarm switches, temperature sensors, reversing lamp switch, oxygen sensor, etc., series of more than forty kinds of products.

济南鲁德极光汽车零部件有限公司是生产大众系列汽车传感器及汽车低温起动装置的专业化企业，引进德国核心技术生产汽车低温起动装置、节温器、风扇电机双温开关、油压报警开关、温度传感器、倒车灯开关、氧传感器等七大系列四十余种产品。

Results The resection rate for low and undifferentiated adenocarcinoma and mucinous carcinoma on gastroscopic biopsy was low (64.1%), and the rate for diffuse infiltrative gastric carcinoma (6.7%) was significantly lower than that of mass tumor type (66.7%) and ulcerative type (61.8%). The total accuracy rate of CT staging was 91.21%. Sensitivity rate of CT diagnosis of perigastric invasion and/ or metastasis was 72.22%. For lymph node staging the accuracy rate of CT was 74.2%, sensitivity rate was 74.1% and specificity rate was 74.3%. CT diagnosis of lymph node groups was blur.

结果 胃镜活检低分化腺癌和黏液腺癌手术切除率(64.1%)较低，弥漫浸润型胃癌的切除率(6.7%)明显低于肿块型(66.7%)和溃疡型(61.8%)；CT分期总准确率为91.21%，CT诊断对胃周脏器受侵和转移的敏感性为72.22%，CT对淋巴结分期的准确率为74.2%，敏感性为74.1%，特异性为74.3%，CT诊断对淋巴结分组比较模糊。

The results indicated that ultra-low nitrogen (0.001 0%-0.008 0%, w/%) in low alloy steel could be determined accurately under such optimized analytical conditions as follow: the addition of deoxidizing agent was less than 0.35%, multi-head milling cutter should be chosen and the milling depth was 1.4 mm while sampling, the mass percentage of argon was no less than 99.999 5%, the washing time was set as 8 s, the precombustion time was set as 3. 3 s and energetic precombustion energetic measure optical source mode is adopted.

结果表明，取样时控制脱氧剂加入量不超过0.35%且选用多刀头铣刀盘，铣样深度为1.4 mm；在氩气的质量分数不小于99.999 5%，冲洗时间为8 s，预燃时间为3.3 s，采用高能预燃高能测量光源方式等优化的分析条件下，可有效测定低合金成品钢中质量分数为0.001 0%~0.008 0%的超低氮。

The results showed that intermidiate 1, 2-propanediol-sebacate of low relative molecular mass was synthesized with toluene-p-sulfoinc acid as catalyst, benzene as watercarrying agent, and of mole ratio of sebacic acid to 1, 2-propanediol of 1:4. The glass-transition temperatures of PPSC were below 0 ℃ which confirmed that PPSC would be in a high-elastic state of ambient temperature and human body temperature. PPSC was a elastomer with moderate crosslinkage, low module and high elongation, and had rapid degradation ratio (degradation degree more than 50%) in phosphate (pH value 7.4) at 37℃.

结果表明，以对甲苯磺酸为催化剂、苯为带水剂，在酸醇比为1，4的条件下可合成较低相对分子质量的中间体癸二酸聚酯二元醇；PPSC弹性体的玻璃化转变温度在0℃以下，于室温及人体温度下处于高弹态；PPSC为适度交联的、低模量高伸长的弹性体，其在37℃、pH值为7.4的磷酸盆缓冲溶液中具有较快的降解性（降解度超过50%）。

Results:(1) The conchosporangia of brown yellow mutant was smaller and mature time was 15 days later than the parents. Thallus grew slowly in early stage, but average daily growth rate reached (7.50±1.18) cm after blade length was over 60 cm.(2)The emerald conchocelis were easy to mature and had special developmental mode that the spherulocytes can directly develop into sporangial branchlets and conchosporangia without thick conchocelis stage. Emerald blades were low in RPE with just (6.4710±0.0184) mg/g dry mass. The thallus grew quickly, average daily growth rate reached (11.95±2.33) cm after blade length was over 60 cm.(3) The conchocelis filaments of breen mutant were thin and short. Thallus grew slowly and had low contents of three phycobiliprotenin and chlorophyl.

实验进行50d。结果：(1)褐黄色突变体藻蓝蛋白和别藻蓝蛋白含量低；孢子囊枝的细胞较小，且大量形成时间比亲本晚15d；幼苗培养初期日平均生长量仅为(1.22±0.28)cm，当叶片长到60cm左右时生长优势逐步凸显，日平均生长量可达(7.50±1.18)cm；(2)翠绿色丝状体容易成熟，发育方式特殊，营养藻丝不经过藻丝加粗阶段，直接由球形细胞发育成孢子囊枝和壳孢子囊；翠绿色叶状体藻红蛋白含量低，仅有(5.5130±1.0496)mg/g；叶状体生长快速，60cm长的藻体日平均生长量高达(11.95±2.33)cm；(3)褐绿色突变体藻蓝蛋白、别藻蓝蛋白和藻红蛋白这3种色素蛋白和叶绿素的含量均较低；藻丝细胞短且细，叶状体生长速度较慢。

The occurrence of accidents under different natural conditions was analyzed. The main causes of traffic accidents included low friction coefficient of road surface due to deficient illuminance, low visibility and accumulated mass dust and exhaust gas, and imperfect safety measures.

通过对不同自然条件下交通事故的形成过程进行分析，认为洞内照明不足、能见度低、大量尘埃和废气凝聚造成路面摩擦系数低、安全设施不完备是导致隧道交通事故的主要原因。

No clear conclusions can be made about the predictie alidity of specific measures, they found, except for criteria for the underuse of drugs for cardioascular disease.

除了心血管病不合理用药标准外，对于特定评价方法的预测效度没有明确的结论。

The third and last is that almost all of them, being infinite in number, have been impostures, and by idle and crafty brains merely contrived and feigned after the event past.

第三、即最后一点是：几乎所有这些不胜枚举的预言都是欺人之谈，都是在事件过后由无聊而狡猾的脑筋推测与凭空捏造的。